WO2009153118A2 - Dispositif de verrouillage des tiges de sélection d'une boîte de vitesses - Google Patents

Dispositif de verrouillage des tiges de sélection d'une boîte de vitesses Download PDF

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Publication number
WO2009153118A2
WO2009153118A2 PCT/EP2009/056113 EP2009056113W WO2009153118A2 WO 2009153118 A2 WO2009153118 A2 WO 2009153118A2 EP 2009056113 W EP2009056113 W EP 2009056113W WO 2009153118 A2 WO2009153118 A2 WO 2009153118A2
Authority
WO
WIPO (PCT)
Prior art keywords
locking
shift
housing
locking device
switching
Prior art date
Application number
PCT/EP2009/056113
Other languages
German (de)
English (en)
Other versions
WO2009153118A3 (fr
Inventor
Waldemar Maier
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
Priority to EP09765698A priority Critical patent/EP2288828A2/fr
Publication of WO2009153118A2 publication Critical patent/WO2009153118A2/fr
Publication of WO2009153118A3 publication Critical patent/WO2009153118A3/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
    • 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
    • F16H2063/005—Preassembled gear shift units for mounting on gear case

Definitions

  • Locking device for locking shift rails of a transmission
  • the invention relates to a locking device for locking shift rails of a transmission with a locking body, which is designed to lock the shift rails, and with a housing, wherein the locking body is displaceably mounted in the housing.
  • Such switching shafts usually have shift fingers, which engage in shift mouths of the shift rails and displace the shift rails in their longitudinal extent.
  • a shift rail are each assigned two gears, so that in a multi-speed transmission, a plurality of shift rails is used.
  • the risk of accidental operation of a non-selected shift rail is not completely ruled out. Since such a connection can lead to at least undesired gear adjustments and in the worst case to damage of the gear shift, it is usual to use locking devices which only release the selected shift rail but lock the other shift rails.
  • a locking device in which a locking rail is arranged parallel to a switching shaft in the longitudinal extension of the switching shaft slidably, wherein the locking device is moved together with the switching shaft in Wählmonyen.
  • the locking rail is guided on one side by a Wegdomgetude leaning on a guide surface.
  • the guide on an opposite side of the guide surface is ensured by an additionally mounted plate.
  • the object of the invention is to propose a locking device which can be produced inexpensively and / or with high production quality.
  • a locking device for locking shift rails of a transmission in particular a change gear, for example in automatic, semi-automatic or manual mode, proposed, which makes it possible to release a selected shift rail during switching operations and at the same time some, all and / or to block adjacent to the selected switching rail switching rails to prevent accidental interconnection.
  • the locking device comprises a locking body, which has means for locking the shift rails.
  • This locking body is mounted in a housing, which forms part of the locking device, preferably only in one direction and the opposite direction and / or positively guided slidably.
  • the locking device allows with this structure the release of at least one selected Switching rail, wherein some, in particular the adjacent shift rails are preferably positively locked in the actuation direction.
  • the housing has a guide channel, introduced in particular into the base body of the housing, for guiding the locking body.
  • the guide channel is thus introduced into the base material of the housing.
  • the term of the introduced guide channel is to be understood in a general definition so that the shape of the guide channel can be arbitrarily formed, in particular by a removing or forming manufacturing process.
  • the guide channel is introduced in the manufacture of the housing via a primary manufacturing step in the housing together with its shape.
  • the housing is preferably formed like a ceiling and has one or exactly one coupling opening for coupling to a transmission housing.
  • the housing may also be realized as a coupling housing.
  • the invention is based on the consideration to introduce the guide channel already during production, in particular in the shape of the housing, so that - especially in mass production - the housing can be produced together with the guide channel in a high production quality and accuracy at low production costs ,
  • the arrangement with adapted design is very space-saving.
  • the housing is formed as an aluminum pressure housing made of an aluminum casting alloy, wherein the guide channel is already introduced during die casting.
  • the Siemensdomgecher is made of plastic and / or plastic injection molded part.
  • plastic for example, a glass fiber reinforced plastic, in particular with a glass fiber content of about 25%, and / or polyamide is used.
  • the housing is designed as a Wegdomgephaseuse, which can be placed on the gear housing.
  • the locking device is thus separately formed to the transmission housing, in which the shift rails are arranged and / or stored.
  • the complexity of the transmission housing is reduced by the guide channel integrated in the Heidelbergdomgepatuse and this is used to implement the lock.
  • the guide channel leads the locking body of preferably exactly three sides, that is, the guide channel is thus formed in cross-section, for example, groove-shaped.
  • a first guide side is then formed by the groove bottom and two other guide sides through the groove walls.
  • guide members in particular guide webs, are provided, which in one embodiment are integrally formed on the housing.
  • the guide channel is dimensioned such that it receives the locking body in a cross-sectional plane perpendicular to the direction of displacement of the locking body to at least 50%. In a further possible embodiment, the guide channel completely receives the locking body in said cross-sectional plane.
  • Both embodiments have the advantage that the locking body can be guided without tilting.
  • the guide channel is closed at the open side with a lid member to the locking body at all To lead pages.
  • the cover element can be releasably fixed, for example by a screw or clamp connection. Preferably, however, the cover element is firmly bonded, eg via a weld, in particular ultrasonic welding.
  • the locking body has a passage region, for example a slot or a plurality of elongated holes, in and / or reach through the housing-fixed guide members.
  • the guide members are designed as one or more guide pins, which preferably extend perpendicular to the sliding direction of the locking body.
  • the guide pins are preferably inserted from the outside of the housing, so that they are easy to install.
  • the cover element can be optionally omitted on the leading passage area and the management bodies.
  • the locking body has a central region, which is guided in the guide channel and which is designed as a planar sheet-metal section.
  • the entire locking body is particularly preferably designed as a planar sheet-metal section, in which, for example, recesses and / or embossings are introduced as guide aids. This embodiment again emphasizes the aspiration to allow a cost-effective production of the locking device considered.
  • the locking body has two receiving mouths, which are open at the edge and are preferably arranged on both sides of the central region. These receiving jaws form transit areas in which the shift rails can be pushed through, whereas the adjacent to the receiving pillars areas, in particular sheet metal areas of the locking body, are designed as a blocking area, which prevent a shift of the shift rails, thus causing a locking of the shift rails.
  • a driving receptacle which preferably surrounds the driving wings and / or the driving element on both sides, so that the locking body is taken from the driving wing in the direction of displacement.
  • the locking device comprises a switching shaft, in particular a central control shaft, which is arranged and / or designed for actuating the shift rails, and which is mounted so as to be pivotable and longitudinally displaceable in the housing, in particular in the shift dome housing, wherein the longitudinal extent of the shift shaft is aligned parallel to the direction of displacement of the switching shaft and / or the locking body.
  • the switching shaft is fixed, in particular rotationally and / or non-displaceably connected to the driving wing, so that the locking body is carried by the switching shaft via the driving wing, which engages in the driving receptacle. In this arrangement, it is ensured that the locking body is guided parallel to the shift shaft, so that when a selection movement of the shift shaft of the locking body entrained and the receiving mouths is moved to the selected shift rail.
  • the driving wing and a finger portion which is designed to carry the shift rail, are realized as a common forming part, which is fixedly mounted on the shift shaft.
  • the functional assembly of the driving wing and the finger portion is shown as a low-cost common forming part, which is for example made of a flat sheet metal part as a semi-finished by a process sequence separation-forming, in particular collar pulling.
  • Fig. 1 is a schematic, three-dimensional plan view from below of a switching device as a first embodiment of the invention
  • Figure 2 is a schematic, three-dimensional plan view from below of the switching dome housing of the switching device in Figure 1.
  • Fig. 3 is a schematic, three-dimensional plan view from below the
  • Fig. 4 is a schematic, three-dimensional plan view obliquely from above on the Heidelbergdomgetude of Figures 2 and 3;
  • Fig. 5 is a side view with solid, hidden lines of
  • FIG. 6 shows a schematic, three-dimensional side view of the lever mechanism of the switching device in FIG. 1 in detail
  • FIG. 7 shows a schematic, three-dimensional side view of the lifting mechanism of the switching device in FIG. 1 in a detailed representation from a different perspective;
  • FIG. 8 shows a schematic, three-dimensional view of the locking mechanism of the switching device in FIG. 1;
  • Figures 9, 10 are schematic, three-dimensional representations of the finger portion carrier of the switching device in Figure 1;
  • Fig. 1 1, 12 the finger portion carrier in Figures 9 and 10 in plan view of the embossed side or in side view;
  • FIG. 13 shows a schematic, three-dimensional view of the finger-section carrier of FIGS. 9 to 12 with attached detent plate;
  • Figure 16 shows another embodiment of a Heidelbergdomgepatuses.
  • the switching device 1 shows a schematic three-dimensional representation of a switching device 1 as an embodiment of the invention.
  • the switching device 1 is designed to implement a selector and / or switching movement, which is initiated by a user or an actuator, and to pass it on to a downstream transmission, in particular a change-speed gearbox.
  • the switching device 1 shows a lever mechanism 2 which has mechanical interfaces, for example in the form of ball heads 3, for mechanical coupling, for example with bowden cables or shift rails.
  • the selector and / or switching movements are transmitted to a selector shaft 4 which moves in a switching dome housing 5 in its axial extent. bar and is pivotally mounted.
  • shift finger sections 6 are fixed, which transmits the now implemented switching and / or selection movement on shift rails, not shown.
  • the shift rails extend perpendicular to the shift shaft 4, so that they are moved in a pivoting movement of the shift finger sections 6 in the longitudinal direction.
  • the shift finger sections 6 can optionally engage directly in the shift rails or via driver elements on the shift rails.
  • each shift finger portion 6 a plurality of shift rails, for example, three shift rails assigned, which are selectively actuated depending on the axial position of the shift shaft 4 of the shift finger sections 6 and those - in particular up to the reverse gear - two selectable gears, for example, first-second Gear or third-fourth gear, are assigned.
  • the Heidelberggeophen 5 has two mutually spatially separate chamber areas 7, 8, by or in which the shift shaft 4 extends.
  • a gate assembly 9 is realized, which defines a positive guidance of the switching shaft 4 with respect to the sliding and / or pivoting movements.
  • a latching arrangement 10 is positioned, which converts a latching of the switching shaft 4 at certain positions, in particular when corresponding to a selected and / or engaged gear positions.
  • the switching or selection force to be expended is controlled by the latching arrangement 10.
  • the switching shaft 4 ends with a free, ungelagerten end.
  • the switching shaft 4 is mounted on two bearing portions 11, 12, wherein the first bearing portion 11 is realized via a through hole 13 in the switching dome housing 5.
  • the second storage area 12 is formed by a second passage opening 14, which is introduced in an intermediate web 15 between the first chamber area 7 and the second chamber area 8.
  • the first and the second through-openings 13, 14 have different diameters, wherein the first through-opening 13 has a larger diameter than the second through-opening 14, so that both through-openings 13, 14 optionally in a common operation with a step drill or the like with high precision to each other can be introduced.
  • Figures 2 and 3 show two different, three-dimensional views of the Wegdomgeophuses 5, which is formed in this example as a one-piece die-cast aluminum housing and wherein all other components of the switching device 1 are graphically suppressed.
  • a receptacle 16 and fastening means 17 for receiving a link plate 18 (Figure 1) is arranged in the first chamber portion 7.
  • the link plate 18 may for example be screwed into the Wegdomgeophuse 5, pressed, glued or caulked and shows - as it follows suggestively from the figure 1 - a free area 19, in which a guide pin 20 ( Figures 14 and 15) can engage and a shift gate for the shift shaft 4 forms.
  • a recess 21 for receiving a detent, in particular a ball detent is provided, which moves off a detent plate 22 (FIG. 13) during the switching or selection movements of the selector shaft 4.
  • the first through-opening 13 and the second through-opening 14 are each designed to receive a bearing, in particular a sliding bearing, for mounting the switching shaft 4.
  • the intermediate web 15 has, viewed from the inside of the Heidelbergdomgeophuses 5, two side plates 23 which delimit the first chamber region 7 and the second chamber region 8 and are oriented perpendicular to the switching shaft 4.
  • the intermediate web 15 comprises a cross-sectionally semicircular bearing cover 24, which is adapted in diameter to the outer diameter of the switching shaft 4 receiving bearing.
  • a necking 25 is provided corresponding to the intermediate web 15, which is arranged between a first dome 26 and a second dome 27.
  • the first dome 26 corresponds to the first chamber region 7
  • the second dome 27 corresponds to the second chamber region 8.
  • first and second dome 26, 27 are bounded by the side plates 23.
  • the switching dome housing 5 shows a rectangular coupling opening 31 through which the switching dome housing 5 with a further housing, in which the shift rails, etc. are arranged communicatively connectable.
  • the coupling opening 31 is enclosed by a circumferential sealing region 32, which forms a sealing plane to the subsequent housing.
  • For attachment of the Wegdomgeophuses 5 to the other housing through holes 33 are provided in the sealing region 32.
  • the coupling opening 31 and the switching shaft 4 are arranged in the same direction, and that the switching shaft 4 is arranged in the switching dome housing 5 such that it does not protrude beyond the sealing plane of the sealing area 32.
  • the vent receptacle 34 which is designed to receive a vent tube or plug 35.
  • the extension of the breather receptacle 34 is inclined to the extent of the switching shaft 4 by an angle ⁇ ( Figure 5) between 20 ° and 30 °.
  • ⁇ Figure 5
  • the lever mechanism 2 which is shown in Figures 1, 4, 5 and also in the schematic three-dimensional representations of Figures 6 and 7, allows the actuation of the switching shaft 4, so that the displaced in the axial direction and can be pivoted about its longitudinal extent.
  • the elevator 2 - as can best be seen in FIG. 1 - has a transmission selector lever 36, which is designed and / or arranged to transmit a movement of one of the ball heads 3 to an axial offset of the selector shaft 4 and a transmission selector lever 37, which is designed to transmit a switching movement of the other ball head 3 in a pivoting of the control shaft 4 and / or arranged.
  • the transmission shift lever 37 is rotatably connected to the shift shaft 4 and transmits the switching movement directly without an intermediate pivot bearing.
  • the transmission selector lever 36 is pivotally mounted via a pivot bearing 38 on the Heidelbergdomgephase 5.
  • the pivoting bearing 38 has a pivot pin 39, which is accommodated in two side webs 40 integrally formed on the switching dome housing 5.
  • the side bars 40 are interconnected to increase the mechanical stabilization via a connecting portion 41, wherein the ratio of the longitudinal extension of the side webs 40 and the connecting portion 41 in this embodiment in about 3: 2 corresponds.
  • the connecting portion 41 is integrally connected to the Wegdomgephase 5.
  • the transmission selector lever 36 has at its first free end the ball head 3 and at its second free end a roller 42, which is designed and / or arranged for actuating the selector shaft 4.
  • the free ends or the receptacles of the actuating elements ball head 3 or roller 42 are arranged with respect to the position of the pivot bearing 38 approximately at right angles and / or triangular to each other.
  • the lever arm with the ball head 3 is formed once or several times, for example, twice angled here.
  • the roller 42 is mounted on the transmission shift lever 37 in the direction of the selector shaft 4 on a radially projecting edge of a cap 43 and in the axial opposite direction, as is apparent in particular from FIG.
  • the transmission selector lever 36 By actuation of the transmission selector lever 36, the latter is pivoted about its pivot bearing 38 and, depending on the actuating direction, the roller 42 is moved in the axial direction onto the shift dome housing 5 or in the opposite direction, the roller 42 via the cap 43 and the transmission shift lever 37, respectively Shift shaft 4 moves in the axial direction.
  • the switching device 1 As a transport and / or mounting fuse, the switching device 1, a blocking element in the form of a locking pin 44, which is used in the locked state of the switching device 1 and completely removed in the unlocked state.
  • the locking pin 44 is formed in this embodiment as a curved round material with a circular cross-section, which is guided by a first locking hole 45 in the transmission selector lever 36 and a second locking hole 46 in one of the side webs 40, which are arranged in the locked position aligned with each other.
  • the locking pin 44 - or more generally formulated for other embodiments - the locking element performs the function of locking the transmission selector lever 36 against the switching dome housing 5.
  • the switching shaft 4 is locked via the blocking element directly to the switching dome housing 5, so that the switching device 1 can be mounted as a complete, locked assembly to a gearbox.
  • the blocking element only and exclusively one of the transmission levers, in this embodiment the transmission selector lever 36, locked, whereas the other transmission lever, in this embodiment, the transmission shift lever 37, free running and, for example, a switching movement of the shift shaft 4 is also possible in the locked state.
  • the transmission selector lever 36 locked
  • the transmission shift lever 37 free running and, for example, a switching movement of the shift shaft 4 is also possible in the locked state.
  • FIG. 8 shows a schematic three-dimensional representation of the switching device 1, wherein a plurality of the components, in particular the switching dome housing 5 is graphically suppressed in the illustration.
  • FIG. 8 shows the functional elements of a locking mechanism 47, which, in cooperation with the switching dome housing 5, permits a locking of the shift rails or the driver elements.
  • the task of the locking mechanism 47 is to prevent interconnection, that is to say diagonal switching during the actuation of the switching device 1.
  • each shift finger section 6 is assigned a plurality of shift rails arranged perpendicular to the shift shaft 4, which shift rails are positioned parallel to each other and each have a shift jaw for receiving the shift finger section 6.
  • the shift rail to be actuated is selected, by pivoting the shift shaft 4 is inserted in the downstream transmission via a longitudinal displacement of the shift rail of the shift rail and sliding direction corresponding gear.
  • the object of the locking mechanism 47 is now to release only the shift rail to be actuated and to block the respectively adjacent shift rails against movement in the longitudinal direction of the shift rails.
  • the locking mechanism 47 on a locking plate 48, which is essentially made of a flat sheet metal.
  • the locking plate 48 shows two open at the edge and rectangular in cross-section Wegenenzeuler 49, which are surrounded by adjacent stop bands 50.
  • the free width of the shift rail mouths 49 in the axial direction of the shift shaft 4 is matched to the width of the shift rail so that exactly one shift rail can freely move in each of the shift rail mouths 49.
  • shift rails are blocked by the blocking regions 50 in relation to an actuation by the shift finger section 6.
  • the locking plate 48 has in the central region a slot 51 through which two fixing pins 52 are guided, which are fixedly secured in the Wegdomgephase 5. Further, the locking plate 48 has a driving opening 53, in which a driving wing 54 which is fixedly connected to the switching shaft 4, engages.
  • the driving wing 54 engages in the driving opening 53 and moves along the slot 51, the locking plate 48 parallel and / or synchronous with the switching shaft 4.
  • the Williamsmienenzeuler 49 shifted and released in this way, the selected in the new position shift rails through the Wegnenzeuler 49 and the respective non-selected shift rails blocked by the locking areas 50.
  • the driving wing 54 is designed such that in every possible position in the circumferential direction of the driving wing 54 is in engagement with the edges of the driving opening 53.
  • the shift dome housing 5 has a molded guide channel 55 for guiding the locking plate 48, which extends parallel to the longitudinal extent of the shift shaft 4.
  • the guide channel 55 is U-shaped in cross section perpendicular to the longitudinal extent of the switching shaft 4, so that the locking plate 48 is guided from three sides.
  • the guide channel 55 has on the side surfaces guide means in the form of webs 56 which allow a low-friction guidance of the locking plate 48.
  • the guide channel 55 extends between the first chamber region 7 and the second chamber region 8, so that the locking plate 48 engages in both chamber regions 7, 8.
  • the Wegdomgeophen 5 receiving openings in this embodiment formed as holes 57, on, so that the fixing pins 52 from the outside first through the wall of the Wegdomgeophuses 5, then through the slot 51 and finally into a blind hole section 58 can be driven.
  • the locking plate 48 in an installed state can be seen, for example, in FIG. FIG. 5 shows that the locking plate 48 protrudes beyond the sealing plane and terminates approximately with the finger sections 6.
  • a plurality of slots can be provided.
  • the guide channel 55 is formed in the Heidelbergdomgeophuse 5
  • the locking plate 48 is formed as a relatively simple component, which is inexpensive to produce.
  • the locking mechanism 47 is thus a total manufacturing technology low feasible.
  • FIGS. 9 to 15 each show different views of the shift finger carriers 59 and 60, which each carry one of the shift finger sections 6.
  • the shift finger carrier 59 is disposed at the free end of the shift shaft 4 and carries in addition to the shift finger portion 6 the driving wing 54.
  • the shift finger carrier 59 is shown in Figures 9 to 13 in various views.
  • the switch finger carrier 59 is formed as a one-piece forming part, which is formed by a process sequence of punching and single or multiple forming.
  • an intermediate product is first separated in a first manufacturing step from a flat sheet metal semi-finished product with a thickness of for example 7 mm, in particular punched out.
  • the intermediate product has an outer contour as shown in FIG. 9 and, in addition, a pre-hole which is arranged centrally relative to a sleeve section 61.
  • the sleeve portion 61 is formed by a single or multi-stage collar pull.
  • the shift finger carrier 59 has a plane section 62, which as functional elements comprises the driving wings 54, the shifting finger section 6 and a coupling region 63 for coupling the locking plate 22.
  • the driving wing 54 is in plan view, as shown for example in FIG. 11, as a pitch circle. formed portion whose center is placed in the pivot axis of the shift finger carrier 59.
  • the shift finger portion 6 is provided on both sides with a diagonally opposite Anoniagung 64 at the free end.
  • the sleeve portion 60 is adapted from the free inner diameter on the outer diameter of the switching shaft 4 and has two mounting holes 66 which are adapted to receive fasteners that allow a rotationally fixed attachment of the shift finger carrier 59 on the shift shaft 4.
  • the sleeve portion 61 is formed as a grooved collar, which on the inside and outside each represents a cylinder jacket surface which extend coaxially and concentrically with each other.
  • FIG. 10 shows a three-dimensional plan view of the side of the switch finger carrier 59 facing away from the sleeve section 61, wherein a circumferential step 67 can be seen in the region of the sleeve section 61.
  • This gradation is characteristic of a multi-stage forming process, wherein the gradation 67 is generated in a first forming step and material is moved in the forming direction and in a second forming step, the already solid material is formed by means of collar pulling in the sleeve portion 61.
  • the free length of the sleeve section 60 in the longitudinal extent of the shift shaft 4 is greater than the thickness of the plane section 62.
  • the sleeve section 61 is made possible by the at least two-stage forming process realize the illustrated length, so that a sufficient backup of the shift finger carrier 59 is reached against tilting.
  • FIG. 13 shows, in a likewise schematic three-dimensional representation, the switch finger carrier 59 with attached detent plate 22, wherein the detent plate 22 is designed as a U-shaped sheet metal part which is inverted in cross section perpendicular to the longitudinal extent of the selector shaft 4 and which is formed by means of a material connection, in particular welding to the Shift finger carrier 59 is attached.
  • the detent plate 22 is designed as a U-shaped sheet metal part which is inverted in cross section perpendicular to the longitudinal extent of the selector shaft 4 and which is formed by means of a material connection, in particular welding to the Shift finger carrier 59 is attached.
  • the top of the Rastierblechs 22 facing away from the switch finger carrier 59 this has a topological switching contour over which a detent, which is arranged in the recess 21, unrolls during switching or selection movements and generates switching or restoring forces.
  • Figures 14 and 15 show in a similar representation the switch finger carrier 60, which is arranged in the figure 8 as a central switch finger carrier 60.
  • the manufacture of the shift finger carrier 60 is analogous to the production of the shift finger carrier 59, so that reference is made to the above description.
  • the switch finger carrier 60 has, in addition to the shift finger portion 6, a guide pin 20, which is arranged with respect to the sleeve portion 60 opposite to the shift finger portion 6.
  • the guide pin 20 is received by a through hole 71, which extends from the outside to the step 67, so that the range of gradation 67 can be advantageously exploited without disturbing the attachment of the shift finger carrier 60 on the shift shaft 4. With its free end of the guide pin 20 protrudes into the link plate 18 and is forcibly guided there on the introduced backdrop, so that only the selection channel 68 and the switching channels 70 a and following can be traversed.
  • FIG. 15 shows a modified exemplary embodiment of the invention in a schematic three-dimensional representation from the side, with a part of the switching dome housing 4 being graphically suppressed.
  • the shift dome housing 4 in the figure 15 end stops 72, which are formed so that they limit the travel of non-illustrated shift rails.
  • the end stops 72 collar perpendicular to the by the sealing rich 32 formed sealing plane are formed rectangular in cross-section parallel to the sealing plane and tapering towards its own free end.
  • the width in the longitudinal direction of the Wegdomgephinuses 4 is adapted so that the end stops 72 can be used by multiple shift rails.
  • Two of the end stops 72 face each other in the transverse direction of the Wegdomgeophuses 4, so that the respective pair of end stops 72 provides a two-sided stop for the shift rails.
  • the end stops 72 are integrally formed on the Wegdomgeophuse, in modified embodiments, the end stops can be up or used as separate components.
  • the advantage of the integration of the end stops 72 in the Wegdomgeophuse 4 is in a reduction of tolerances occurring with respect to the relative position of the shift rails and end stops in comparison to conventional designs.

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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)
  • Mechanical Control Devices (AREA)
  • Gear-Shifting Mechanisms (AREA)

Abstract

L'invention vise à mettre en oeuvre un dispositif de verrouillage pouvant être fabriqué de façon économique et/ou avec une grande qualité de finition. A cet effet, le dispositif de verrouillage (47) des tiges de sélection d'une boîte de vitesses comporte un corps de verrouillage (48) conçu pour verrouiller les tiges de sélection, et un boîtier (5), le corps de verrouillage étant logé coulissant dans le boîtier. Le boîtier (5) comporte un canal de guidage (55) pratiqué dans le corps de base du boîtier, destiné à guider le corps de verrouillage.
PCT/EP2009/056113 2008-06-19 2009-05-20 Dispositif de verrouillage des tiges de sélection d'une boîte de vitesses WO2009153118A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09765698A EP2288828A2 (fr) 2008-06-19 2009-05-20 Dispositif de verrouillage des tiges de sélection d'une boîte de vitesses

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008029262.1 2008-06-19
DE102008029262.1A DE102008029262B4 (de) 2008-06-19 2008-06-19 Verriegelungsvorrichtung zur Verriegelung von Schaltschienen eines Getriebes

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WO2009153118A2 true WO2009153118A2 (fr) 2009-12-23
WO2009153118A3 WO2009153118A3 (fr) 2010-02-18

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EP (1) EP2288828A2 (fr)
DE (1) DE102008029262B4 (fr)
WO (1) WO2009153118A2 (fr)

Cited By (1)

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WO2009153118A3 (fr) 2010-02-18
DE102008029262A1 (de) 2009-12-24

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