EP3887695A1 - Schaltvorrichtung - Google Patents
SchaltvorrichtungInfo
- Publication number
- EP3887695A1 EP3887695A1 EP18839672.5A EP18839672A EP3887695A1 EP 3887695 A1 EP3887695 A1 EP 3887695A1 EP 18839672 A EP18839672 A EP 18839672A EP 3887695 A1 EP3887695 A1 EP 3887695A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- switching
- shaft
- switching device
- selection
- contour
- 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.)
- Withdrawn
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
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- 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
-
- 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
-
- 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
-
- 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
- F16H2063/3076—Selector shaft assembly, e.g. supporting, assembly or manufacturing of selector or shift shafts; Special details thereof
Definitions
- the invention relates to a switching device of a motor vehicle transmission with a selector shaft for selecting and shifting gears and a selection contour arranged on the selector shaft with a first ramp profile in the selection direction of the selector shaft for biasing a selector lock.
- gearshift dome with a gearshift shaft in a gearbox
- a gearshift shaft in a gearshift dome is locked in the neutral position in order to properly connect the gear parts that adjust the gearshift shaft.
- the neutral position is usually provided in the shift gate of gear levels 3 and 4.
- a locking pin as provided in DE 10 2014 202 886 A1 or DE 10 2012 210 014 A1, secures the selector shaft in the neutral position.
- a shift shaft pivotally and axially slidably mounted in a shift dome which has a non-rotatably connected switching sleeve.
- the switching sleeve has a shifting gate with a preselection gate and a plurality of shifting gates, which are designed as depressions and in which a locking ball of a first detent is guided.
- a locking ball of a second locking mechanism for centering the selector shaft engages in a further recess with an offset angle.
- a shift gate deepening of the shifting gate which is provided for the reverse gear, has a larger recess in the area of an end stop and is thus intended to convey to the driver when shifting into reverse gear a different shift feeling compared to the other gear stages, due to a changed shifting force curve, and at the same time prevent it that the gear can jump out in the event of vibrations, shocks or load changes.
- Another switching device is shown in DE 10 2009 058 023 A1. The switching devices mentioned require assembly in the neutral position. In some cases, installation in a gear position may be necessary due to the installation space.
- the invention has for its object to provide a device that allows the selector shaft for mounting in an alternative to neutral position to secure and show a method for mounting the switching device.
- the selection contour and the switching contour are mostly realized by means of separate ramp profiles.
- the dial contour then has a ramp profile that rises in both directions from the intended neutral position in the dialing direction. Perpendicular to the selection direction in the switching direction, the ramp profile has a constant height, since the generation of the switching force is applied by the ramp profile of the separate switching contour, so that the selection contour is not suitable as an assembly safeguard because it offers no resistance in the switching direction. The same applies to the switching contour in the selection direction.
- the invention provides for the selection contour to be supplemented by a second locking profile in the form of a mounting lock position which is taken up by a selection lock biased against the selection contour only during assembly.
- a second locking profile in the form of a mounting lock position which is taken up by a selection lock biased against the selection contour only during assembly.
- This can be a paragraph significantly increased from the rest of the locking profile, from which the locking springs out with a high force when switching for the first time, which would be undesirable for switching operations.
- This ensures that this assembly latch position can no longer be taken up or only with a very significant amount of effort in later switching operation.
- the dial lock is preferably a spring-loaded locking element. For example, it is a lock as shown in DE 10 2004 007 577 A1.
- the locking receptacle is preferably formed by a cross-section of the switching device V-shaped groove in which a locking element of the selector lock engages in the mounting position.
- the selection contour is formed in one piece with the first and the second locking profile. It can be from a sheet metal forming Herge.
- the second latching profile is formed on another gear component which directly adjoins the selection contour or engages around it radially.
- the other gear component is, for example, an outer sleeve arranged on the selector shaft.
- the outer sleeve preferably performs other functions such as, for example, guiding an alley pin over an alley guide arranged on it.
- the gas senment can have a switching gate that is longer than the other switching gates. As a result of this measure, the link pin is not blocked by the associated end stop of the switching link when the selector shaft is pivoted into the assembly position, but rather allows pivoting beyond the actually permissible range.
- the end stop missing for the gear in question can be ensured by the second ram profile, in particular via a sufficiently high slope of the second ramp profile.
- the assembly latching position is spaced apart from the selection profile that is swept over during the ferry operation by a shoulder. The paragraph ensures that the assembly latch position cannot be selected accidentally.
- the heel can also form a stop for the selector lock so that the assembly detent position can no longer be selected without dismantling the switching dome.
- the selection contour is in turn preferably attached to the selector shaft via a sleeve.
- the sleeve can also connect an outer sleeve and other components to the selector shaft as an inner sleeve. The sleeve is pressed, caulked, pinned or otherwise fastened on the selector shaft.
- the invention also relates to an assembly method for a switching device with egg ner shift shaft in the switched position during assembly.
- the switching device is secured in the desired switched position in the assembly position. Secured in this way, the switching device is arranged in a transmission bell predetermined for it and fastened there. The attachment is preferably done by screwing.
- the switching device can be pushed over the gear set and connected to the motor housing. Only now is the shift shaft switched to neutral. In the neutral position, the selector shaft can be locked with a locking pin, for example to be able to adjust Bowden cables.
- the pin does not have to perform a double function as in the prior art. While he secures the assembly position there and allows the setting of the switching elements actuating the selector shaft, a functional separation is provided in this embodiment.
- the assembly position is secured by the assembly locking position of the selector lock in a switched position, and the setting position for the switching elements such as Bowden cables is secured by the locking pin in the neutral position. By canceling the double function it is avoided that the setting of the switching elements is inadvertently made in the switched position.
- the locking pin can preferably not be installed in the switched position. Additional components are not required according to the invention, since the double function of the locking pin is given up, but is now perceived by the dialing lock.
- the invention thus enables the selector shaft to be locked with respect to the selector dome in a position other than the neutral position. With that the In some cases, use the installation space better because cantilevered components are in a more favorable angular position.
- Fig. 2 shows a switching dome with the switching device according to Figure 1 in a figure
- a selector shaft 1 is axially displaceable and rotatable in a shift dome 2 of a manual transmission.
- the selector shaft is pivoted about its longitudinal axis, and axially pre-positioned to preselect shift gates 1/2, 3/4, 5/6 and R.
- a sleeve 13 is caulked onto the massive selector shaft 1 as an inner sleeve.
- a switching link 5 in the form of a curved link plate and a selection contour 7 are arranged on the inner sleeve.
- the shift gate 5 has a selector gate 6 and the shift gate 4.1, 4.2, 4.3, 4.4, 4.5, 4.6 and 4.R for each gear stage.
- the shift gate 4.3 for the third gear has a length L which is longer than a length I of the other shift alleys.
- a link pin (not shown) arranged on the switching dome 2 engages in the switching link 4 in order to guide the switching shaft 1 exactly and to prevent incorrect switching.
- An additional arranged on the sleeve 13 switching contour 10 has a radially outward facing profile, which is in active contact with a housing-fixed switching lock 15 to generate a switching force.
- the shift lock 15 is diametrically opposite the dial lock 7 with egg ner radially outward-pointing dial contour 8.
- the selection contour 8 has a constant height profile for the circumferential direction (switching direction).
- the selection contour 7 is formed from a sheet 13 fastened on the sleeve 13, the selector shaft 1 partially encompassing coaxially. It acts on the dial lock 9, which has a spring-loaded detent ball 1 1.
- the selection contour 7 is delimited at the end by a stop 14, in the present case in the switching direction of the 4th gear stage.
- the stop 14 has an assembly detent position 16, in which the detent ball 11 of the pressure piece 9 engages in the assembly position.
- the assembly latch position 16 is designed as a V-groove.
- the control shaft 1 is pivoted until the locking ball 1 1 first strikes the stop 14 and then pivoted further with a higher torque until the locking ball 1 1 engages over the selection contour 7 out into the locking receptacle 16.
- the link pin can be guided in the switching alley 4.3 of the switching link 4 without limitation.
- the shift dome 2 is installed in the gear housing and only then pivoted out of the catch receptacle 16 into the neutral position.
- the switching path limitation for the third gear can in the present case take place via a stop surface 18 which interacts with the housing of the selector lock 9.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/DE2018/100977 WO2020108674A1 (de) | 2018-11-30 | 2018-11-30 | Schaltvorrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3887695A1 true EP3887695A1 (de) | 2021-10-06 |
Family
ID=65228288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18839672.5A Withdrawn EP3887695A1 (de) | 2018-11-30 | 2018-11-30 | Schaltvorrichtung |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3887695A1 (de) |
WO (1) | WO2020108674A1 (de) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2182438T3 (es) | 1998-09-07 | 2003-03-01 | Ina Schaeffler Kg | Casquillo de retencion para un arbol de conmutacion. |
DE102004007577A1 (de) | 2004-02-17 | 2005-09-01 | Ina-Schaeffler Kg | Schaltarretierung |
DE102007054548A1 (de) | 2007-11-15 | 2009-05-20 | Schaeffler Kg | Rastiersegment für ein Übertragungselement in einer Schaltvorrichtung sowie Schaltvorrichtung mit dem Rastiersegment |
DE102008052139B4 (de) * | 2008-10-20 | 2012-10-04 | Koki Technik Transmission Systems Gmbh | Schaltgetriebe |
DE102008064156A1 (de) * | 2008-12-19 | 2010-07-01 | Schaeffler Technologies Gmbh & Co. Kg | Vorrichtung zur Lageerkennung eines beweglichen Schaltelements |
DE102009058023A1 (de) | 2008-12-19 | 2010-07-01 | Schaeffler Technologies Gmbh & Co. Kg | Schalteinheit eines Kraftfahrzeugschaltgetriebes |
DE102012210014A1 (de) | 2012-06-14 | 2013-12-19 | Schaeffler Technologies AG & Co. KG | Arretiervorrichtung für ein Getriebe, insbesondere für ein Kraftfahrzeuggetriebe |
DE102014202886A1 (de) | 2014-02-18 | 2015-08-20 | Schaeffler Technologies AG & Co. KG | Schaltanordnung für ein Getriebe |
DE102017105456A1 (de) * | 2016-03-23 | 2017-09-28 | Schaeffler Technologies AG & Co. KG | Schaltdom eines Zahnräderwechselgetriebes eines Kraftfahrzeugs und Montageverfahren des Schaltdoms |
-
2018
- 2018-11-30 WO PCT/DE2018/100977 patent/WO2020108674A1/de unknown
- 2018-11-30 EP EP18839672.5A patent/EP3887695A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO2020108674A1 (de) | 2020-06-04 |
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Legal Events
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Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
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DAX | Request for extension of the european patent (deleted) | ||
P01 | Opt-out of the competence of the unified patent court (upc) registered |
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Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20230601 |