• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a bearing unit (4) for a switching device (1) of a motor vehicle transmission with an actuating shaft (2) and a guide slot (15) movable relative to the bearing unit (4), which bearing unit (4) has a guide pin (37) which has a Guide section (53) for engagement in the guide slot (15) and at least one bearing portion (51) for attachment to the bearing unit (4) is formed. In the bearing section (51), the guide pin (37) has a larger cross-sectional dimension (54) than the guide section (53) or is formed by a shaped body (72) with the bearing and guide sections (51, 53) Direction perpendicular to each other extending main and minor axes (70,71) different cross-sectional dimensions (68,69) is formed. By this measure, even at high forces when striking the guide pin (37) on a boundary surface (33) of the guide slot (15), the surface pressure in the bearing bore (49) of the bearing unit (4) are kept low, and thus an allowable stress in the storage unit (4) not exceeded.
    公开号:AT510576A4
    申请号:T9952011
    申请日:2011-07-07
    公开日:2012-05-15
    发明作者:
    申请人:Stiwa Holding Gmbh；
    IPC主号:
    专利说明:

    5 / 3β 25 15:23:45 07-07-2011
    Ιΐ I f ν I Η ij
    The eggundune relates to a bearing unit for a switching device of a motor vehicle operation and a Schaltvonichtung, as described in the preambles of claims 1 and 13.
    In manual transmissions of motor vehicles, the shaft movement is transmitted from ManueH to be operated shift lever in a Getriebeschaftdom on an actuating shaft which is rotatable about its longitudinal axis and slidably mounted in the axial direction in a bearing unit on the actuating shaft a switching arrangement is fixed which a switching and Wählkontur and a Actuating element (shift finger) The actuation element can positively engage in a switching recess of a driver and transmit a shaft movement of the actuating shaft to a switching element such as the rocker arm or shift fork.
    Different versions of Schattanordnungen are in the prior art according to DE 9412122 U1. DE 296 15 599 U1, DE 197 29 767 A1, DE 198 32 786 A1, DE 10 2004 036 369 A1, DE 10 2005 027 409 A1. DE 10 2008 013 227 A1 and EP 0 985 857 B1 are known. The switching arrangement is equipped with a guide cage or switching guide into which a guide pin fixedly arranged on the bearing catch engages. In a Reiatiweriagerung between the bearing booklet and the Schattanordnung the guide pin can be guided with a FOrungsabschnitt in the shift guide and limits the guide pin the switching path of the shadow arrangement or the actuating shaft. Α201Μ0Θ007 07/07/2011 15:26
    No .: R861 P.005 / 038 15:24:26 07-07-2011 6/38 25 • * a · * · ** ψ * * ··· f * 8 · # · • ♦ a • • • a • * * • • • * ♦ * * * s • • «• • * • * * * • • • • • * • * * • • • • * * # a -2-
    Furthermore, from DE 100 64 918 A1, DE 10 2007 045 652 A1 and DE 10 2005 010 001A1 different embodiments of bearing units are known, which are made of plastic.
    It is also known from the prior art that the bearing units consist of an aluminum alloy.
    Common to all versions is that the guide pin is designed with a circular cross-section and over its entire length has the same diameter. In this case, the diameter of the guide pin are small, usually 3 mm, and the slide slots of Schaltfihrung narrow designed so that no strength disadvantages arise for the shadow arrangement. A length of the guide pin is usually between 25 mm and 30 mm. When abutting the guide pin on a boundary surface of the slot slot act high mechanical loads on the bearing bores.
    If the bearing unit in particular made of plastic, the allowable voltages are kn area of their bearing holes even at not too high forces, which are generated when striking the link pin on a boundary surface of the link slot, reached or even exceeded. This results in damage to the bearing bores due to bearing or material breakage of the material areas adjacent to the bearing bores.
    The present invention has for its object to provide a bearing unit for a switching device of a motor vehicle transmission, which enables safe operation with a simple design The present invention also has for its object to provide a switching device with such an advantageous storage unit.
    The object of the invention is achieved by the features of claim 1 It is advantageous that by the Querachnittsvergrößerung kn bearing section is at high forces when abutting the guide pin on a boundary surface of the guide slot, the surface pressure in the (n) Lagerboh-rnng (s) can be kept low and thus a permissible voltage In A2010 / 08007 07/07/2011 15:26
    No .: R861 P.006 / 038 15:25:13 07-07-2011 7/38 25 • · * · ··· »» • * «* * * * * * * * * * * * * ♦ * * * * * * * * * «··« · -3-
    Storage unit is not sufficient or exceeded. This can now but also the storage unit In mass production cost, for example, made of plastic produced. If, on the other hand, the guide pin is designed with different cross-sectional dimensions (oval or elliptical) on its circumference, the high cross-sectional dimension in the direction of the main axis relative to the smaller cross-sectional dimension in the direction of the minor axis achieves, on the one hand, a high dimensional stability of the kiss element and, on the other hand, the cross-sectional enlargement in FIG (n) Bearing section (s) does not reach or exceed the allowable stresses in the bearing unit in the area of the bearing bore (s). Audi can be dimensioned narrow by the different cross-sectional dimensions of the Kulissenettftes and a defined orientation of the Kulrssenstrftes relative to the guide slot, the width of the Schlußschlftze (shift gate) of the FOhrungskulis-se. For this purpose, the guide pin is performed such skulisse in the guide that the larger cross-sectional dimension in the direction of a slot slot and the smaller cross-sectional dimension between the width of a slot slot limiting guide surfaces are aligned. As a result, the switching arrangement can continue to be made thin-walled and the switching device can be manufactured with low weight.
    Also, the assembly work for the assembly of the guide pin in the (s) La ger gerhrung (s) of the storage unit can be kept low, if the guide pin is designed in one piece, as described in claims 2 and 6. In mass production, the assembly of the guide pin on a manufacturing plant by means of simply constructed handling and joining tools can be automated. The KuKeaenstift, for example, by non-cutting forming, in particular Kaftumfbrmung, as Masstvumformen (extruding), produced at low cost. On the other hand, a chip-removing manufacturing process for the guide pin is conceivable.
    If, on the other hand, the guide pin is of a multi-part design, as described in claims 3 and 7, the bearing section permitted as a socket and the guide section designed as an oval, elliptical or circular cylindrical pin can be separated into A20KVOB007 07/07/2011 15:27
    No .: RB61 P.007 / 038 15:26:04 07-07-2011 8/38 25
    • • «9 * · · · ♦ · · * ♦ * * · · · · · · · · · · * *» • ······ «-4- simple production processes. Furthermore, the multipart design deafened a high design freedom of the Kuiissenstiftes.
    A particularly reliable switching and feeding function for the shaft arrangement is achieved according to the embodiment according to claim 4. Also, the mechanical load on the guide pin when striking the guide pin on a boundary surface of the guide link can be kept low. The guide sections are arranged at a distance from one another at least by the length of the guide section.
    If the guide pin is arranged in bearing bores via its two opposite bearing sections and if the surface pressure in both bearing bores is to be kept low, it proves to be advantageous if the two bearing sections form a cross-sectional enlargement with respect to the guide section as described in claim 5.
    A reliable (captive) fixation of the guide pin on the bearing unit is achieved by the embodiments according to claims 8 and 9 The Kulis senstift can instead of a press connection via at least one securing element (retaining ring, snap ring, plastic material transformations on the storage unit), which between the Storage unit and the first Lagerab section is provided, or a material-liquid joint connection (gluing), which is provided between the bearing unit and the first bearing portion, are held in the axial direction.
    Also advantageous are the embodiments according to claims 10 and 11, as matched by this measure on the material pairing between the guide pin made of steel with a tensile strength of Rm greater than 700 N / mm2, for example X46Cr13 (EN 8734), and the bearing unit made of a material with a tensile strength of Rm less than 300 N / mm2, the surface pressure in the bearing bore (s) can be kept so low that even with inappropriate shifting and over the life of the shifting device an allowable stress in the bearing is not exceeded. A2O1M0OO7 07/07/2011 15:28
    No .: R861 P.008 / 038 15:26:51 07-07-2011 9/38 25 * • • • • • * * ··· • • • • • Φ · · Λ «· III ·· -5 -
    According to the embodiment of claim 12, a particularly high Formstabili-ity of the guide pin is achieved and thus allows an allowable operation even with improper shadows over the life of the shading device.
    The object of the invention is also achieved by the features of claim 13 It is advantageous that the equipped with the bearing unit according to the invention switching device can be produced inexpensively and over the life of the shaft device a permissible mode of operation is achieved.
    An advantageous embodiment is also described in claim 14. As such, the actuating shaft can form the guide slot. For this purpose, the actuating shaft is designed as a tubular profile and formed by a thin sheet metal, in particular steel sheet, non-cutting punched and llmformtell in which also the guide slot is made by punching, in which the opposite longitudinal edges in a parting plane above a cohesive joint, in particular by wire welding, such as laser welding or electron beam welding, are joined together. The guide slot is already hardened with the finished dimension, so that post-processing can be omitted.
    For a better understanding of the invention, this will be explained in more detail with reference to the following figures
    Each shows in a highly schematically simplified representation:
    Figure 1 is a switching device with a Lagerein unit according to the invention and a relative to this adjustable shaft assembly for a motor vehicle change gear in side view.
    Fig. 2 is an operation bet and attached to this Schaltanord voltage in perspective view;
    Rg. 3 the switching arrangement of Figure 2 in Draufeicht. A20KV09007 07/07/2011 15:29
    No .: R861 P.009 / 038 15:27:34 07-07-2011 10 / 3β • * * «« · · φ «* · · Φ • * * * * * • 4 4 • · Φ * · FIG. 4 shows a view of the bearing unit for the switching device according to FIG. 1 with a slide pin in a first embodiment; FIG. FIG. 5 shows the bearing unit according to FIG. 4, cut along the lines V-V; FIG. 7 shows a section of the bearing unit with a second embodiment of a guide pin in longitudinal section Fig. 7 shows a portion of the bearing unit with a third embodiment of a guide pin in longitudinal section Hg. 8 a portion of the bearing unit with a fourth embodiment of a guide pin in longitudinal section Hg FIG. 10 shows a section of the bearing unit with a sixth embodiment of a guide pin in longitudinal section Fig. 11a, 11b, the guide die of the switching arrangement and guided in this guide pin in different versions, in plan view Fig. 12 a Section of the bearing unit with a seventh embodiment of a Kuliseenstiftes in longitudinal section Fig. 13 shows a possible embodiment for the positional fixation of Kulissenstif-tes to the storage unit
    By way of introduction, it should be noted that in the differently described embodiments, the same parts are provided with the same reference numerals or the same part designations, wherein the disclosures contained in the entire description can be mutatis mutandis to the same parts with the same reference numerals or component names. Also in Α2010Λ9007 Ω7 / Π7 / Ρ011 15-99
    Nr - RRfil P. 010/038 2 $ φ * ** • · · · · · · * * * * # * * · · «« ·· 15:28:12 07-07-2011 • · Φ * Φ * ···································································································································································································································· top, bottom, side, etc. related to the directly described and dargestelite figure and are mutatis mutandis transferred to the new situation in a position change.
    In the jointly described FIGS. 1 to 3, a switching device 1 according to the invention of a manually switchable motor vehicle gearbox is shown. The switching device 1 according to this embodiment comprises an actuating shaft 2 which is rotatable about its longitudinal axis 3 and displaceable in the axial direction in a bearing unit 4, in particular one Schaltdomgehäuse, is stored, and at least one switching arrangement 5. The actuating shaft 2 has at its upper end a fastening device, in particular a toothing for a shaft mechanism, not shown, via which a Schait- and Wählbewegung a manual shift lever, not shown, is transmitted to the actuating shaft 2.
    The switching assembly 5 comprises a SperritörperB, a locking body 7 (Rastie-rungshüise) and a radially vorregendes on the Betätigungsdom 2 actuating element 8. According to the embodiment shown, the approximately cylindrical locking body 7, the locking body 6, wherein the locking and locking body 6.7 at least two Schalenteiien 9,10 are formed, each made of thin sheet steel by stamping and forming, in particular cold forming, such as bending, pressing and the like., Are produced without cutting. The prefabricated shell parts 9, 10 are joined to one another and / or to the actuating element 8, in particular a support plate 12, by means of beam welding, in particular electron beam welding or laser welding.
    The latching body 7 has a latching contour, which forms a selection contour 13 and shaft contour 14. According to the embodiment shown, the Wählkontur 13 and switching contour 14 are separated from each other and approximately diametrically opposite form on Außenumfeng the detent body 7 The Wflhkontur 13 has in the axial direction of the detent body 7 with different Winkeineigung to the longitudinal axis 3 formed selector surfaces. The switching contour 14 extends in the direction of the longitudinal axis 3 and has in the circumferential direction of the locking body 7 with different radial distances from the longitudinal axis 3 buttoned buttons. Α2010ηθ007 P.011 / 038 07/07/2011 15:30 No .: R861 25 25 ···· «· ··« «··« 9 «9 • · • · • 4 · e # •» • »• 9 • • · · · · · f f f f f f f f f f f f f f f f «« · · · · · · · · · · · · · · · · · · β-
    The Wdhlkontur 13 and switching contour 14 are in operative connection with Rastvomchtungen not shown. The locking devices each have a sliding body which is slidably and resiliently connected to a housing of the locking devices The Gleltkörper is, for example, as with the selection and switching contour 13,14 In engagement, in particular rolling contact standing detent ball ausgebH-det. Bel a shift (Wflhlbewegung) Betdtlgungswelle 2 slides the locking ball of the first locking device along the Wählkontur 13 for selecting one of a plurality of shift gates. During a rotation (switching movement) of the actuating shaft 2, the detent ball of the second detent device slides along the switching contour 14 in the voting plane.
    In the region of the latching body 7, the switching arrangement 5 additionally comprises a guide slot 15 continuously formed through its wall thickness (switching gate) for limiting an adjustment path in the axial direction of the actuating shaft 2 (selection movement) and / or in the direction of rotation of the actuating shaft 2 (shift motion). The guide channels 15 is shown embodiment for a 6-speed reverse gearbox and has a selector gate and branching from this (four) Schahgassen, namely one for the 1st and 2nd gear, one for the 3rd and 4th gear , one for the 5th and 6th gear and one for the reverse gear.
    The Wählkontur 13 is in a about 90 * relative to the guide slot 15 in a first direction Umfangsabschnrtt the detent body 7 on the first shell part 9 and the switching contour 14 in an approximately 90 * relative to the guide slot 15 in a second direction offset circumferential portion of the detent body. 7 formed on the second shell part 10.
    As shown in FIGS. 1 and 2, the substantially halbschalenformi-ge locking body 6 forms a coaxial with the actuating shaft 2 and extending in the axial direction, cylindrical barrier wall 16. According to this embodiment, a first barrier wall portion of the first shell part 9 and the second Spenwandabschnitt of the second shell part 10 is formed the barrier wall 16 and the barrier wall portions form on its outer periphery a Spenflöche 17 A20KND0007 07/07/2011 15:31
    No .: R861 P.012 / 038 15:29:52 07-07-2011 13/36 25 · »····························· • Out, which is interrupted by a circumferentially extending, window-like recess 18 in the barrier wall 16. The actuator 8 is disposed within the recess 18, and bounded on both sides to this formed, window-like cutouts 19. The recess 18 may be made by punching or cutting. The cylindrical locking surface 17 serves for the removal of unshaded gears or shift elements (shift fork or shift rocker). The cutouts 19 are used to carry out the switching operation, in particular, tine-like projections of a fork-shaped carrier of a Schalteiementes can alternately engage in the cutouts 1Θ.
    The multi-part actuating element 8 comprises the supporting disk 12, a shaft 20 and an actuating head 21 connected to it. The shaft 20 and actuating head 21 are integrally formed. The supporting disk 12 is made separately from thin sheet steel by punching and optionally forming, in particular cold forming, such as bending, pressing and the like., made without cutting. The support disk 12 is provided with a recess, within which the actuating shaft 2 is partially received. The prefabricated supporting disk 12 is in turn connected to the shaft 20 and / or joint seams 22b to the actuating shaft 2 and / or joint seams to the latching and locking body 6, 7 by means of beam welding, in particular electron beam welding or laser welding.
    The Betätigungsseiement 8 projects through the shaft 20, the recess 18 and is via seam-stiffened by beam welding, in particular electron beam welding or laser welding seams at its lower shaft portion with the actuating shaft 2 and upper by beam welding, in particular electron beam welding or laser welding, produced at 23 seam seams at its upper shaft portion Intermediate arrangement of StQtzscheibe 12 connected to the barrier wall 16.
    The joint seams each form a fluid joining connection. The FQ seams described may alternatively be formed by adhesive or soldered seams to the welds. All those described above and A201CWJWtJ7 07/07/2011 15:32 are preferred
    No .: R861 .013 / 038 15:30:41 07-07-2011 Η / 38 25 * * * · ···· • · · · · «• * · · ·
    • I t * I * *% * * # > > • 4 »IM e ··· ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••
    A wall thickness of the locking body 6, latching body 7 or the shell parts 9, 10 is in each case between 2 mm and 3 mm and, for example, each made of 16MnCr5 (EN 10084)
    In Fig. 3, the locking body 7 and the Betätigungsweile 2 coaxially enclosing Rastierungshütee with the integrally formed on this locking body 6 The Rastierungshütee is connected either via the support plate 12 or directly with the actuating shaft 2 rotatable.
    The shell parts 9,10 of the Rastierungshütee are connected to each other via the joint seams 11 produced by beam welding in a first division region and second division region. The shell parts 9, 10 have surface sections 24, 25 which overlap one another in the first area of the telescope, and surface sections 26, 27 (FIG. 2) which abut butt against one another in the second division area.
    The guide slot 15 of the shift assembly 5 and Rastierungshütee is shown embodiment for a 6-speed change gear with reverse gear and has a Wählgasse 28 and branching off this shift gates 29, namely one for the 1st and 2nd gear, one for the 3rd and 4th gear, one for the 5th and 6th gear and one for the reverse gear. As can be seen in the figure, the shading lanes 29 arranged separately next to one another are defined by guide surfaces 30,31 which run parallel to the selection lane 28 and in the direction of the switching movement 32 by spaced boundary surfaces 33,31 extending arcuately between adjacent guide surfaces 30,31 29 for the 1st, 2nd; 3rd, 4th; 5th, 6th gear are, in other words, formed by the Wählgasse 28 in deeegen set directions each with a depth branching gate sliders The shift gate 29 for the R gear is, in other words, by the Wählgasse 28 In a Direction formed with a depth branching backdrop Schiitz. Chamfers 34 on the projections 35 formed between the cube slits A2010 / D9Q07 07/07/2011 15:33
    No .: R861 P.014 / 038 15:31:29 07-07-2011 15/38 25 ·· ·· • tt t • · * · * · · «· · * ft ft« «ft ·· * · «9999 ft ··· 9 ft 9 ft 9 • 999 • 9 a- 9 • 9 9 9 ft • ft ft • ft ft • ft -11-sem In conjunction with the actuator 8, the diagonal switchability between the in axial direction offset shift gates 29, ie. between 2nd and 3rd gear and 4th and 5th gear.
    The opposite in the direction of Schaitbewegung 32 boundary surfaces 33 of a shift gate 29 define a maximum shift path and can alternately be effective as end stops for the still to be described Kulissenstif. The guide surfaces 31 (ie the outer shading lanes 29) which are at a distance from one another in the direction of the selection movement 36 define a maximum selection path and can alternately act as end stops for the guide pin. In other words, can be limited in different spatial directions on the Kuiissenstfft and the guiding and limiting surfaces 31,33 adjustment movements (selection and Schaitbewegung 32,36).
    Preferably, the Schaienteiie are 9,10 each by a punching and forming part hergesteilt Here are kn stamping process on the first shell part 9 Wählgasse 28 and sections of shift lanes 29 and the second shell part 10 exclusively sections of shaded lanes 29 produced.
    FIGS. 4 to 13 show the bearing unit 4 mH according to the invention of different designs for the guide pin and its attachment to the bearing unit 4.
    As can be seen in the figures, the guide pocket 15 of the shade arrangement 5, which is fixedly arranged in the bearing tackle 4 and extends radially to the actuating face 2, projects through the guide slot 15 of the shade arrangement 5. In a relative position between the bearing tackle 4 and 6 the shading arrangement 5, the stationary guide pin 37,61,62,63,66,67,77 with its guide portion 53 in each of Kuttssenschiitze (Sdi ^ tgassen 29) and guided by this move. The movement (selection and / or shift movement) of the shading arrangement 5 relative to the bearing unit 4 can be limited by stops of the boundary surface 33 of a SchaHgasse 29 on the guide section 53 of the guide pin 37, 61, 62, 63, 66, 67.77. Λ2010100007 07/07/2011 15:33
    No .: R861 P.015 / 038 25 25 1638 .. .15-12: 16 07-07-2011 · # ♦ · · ## * »I Ml« Ml »• · · · e ♦ · · · • · · F «0 *« ··· * ··· * · · · ··············································································· *
    The invention is based on the finding that by striking the boundary surface 33 of a Schattgasse 29 at Fghrungsabschnitt 53 of the guide pin 37.61.62.63.66.67.77 very high forces can occur, which are taken on the storage unit 4 without damage over the entire lifetime mOseen. Nevertheless, in order to be able to manufacture the bearing unit 4 preferably from plastic, which is lower in comparison to other materials, the permissible stresses, according to the invention, at least in one bearing section of the guide pin 37, 61, 63, 66, 77 Length / cross-sectional ratio between the length 56 of the guide pin 37,61,62, 63.66.77 and the cross-sectional dimension 54 of the bearing portion 51 of less than 6: 1 selected
    The bearing unit 4 is preferably made of plastic, in particular thermoplastic material, produced in one piece by injection molding. A machining operation can thereby be dispensed with. The bearing unit 4 comprises a mounting flange 38, a cylindrical outer wall 39, a cylindrical inner wall 40, a first bearing flange 41 and a second Lagsrflansch 42. The outer and inner wall 39,40 are integrally formed on Montageflsnsch 38, wherein the inner wall 40 has a first axial section to Receiving a shaft seal 43 and second axial section for receiving a bearing 44 expands. The bearing 44 is preferably formed by a plain bearing bush which is pressed in the second axial section. As shown, the first axial section has a larger diameter than the second axial section. The bearing unit 4 comprises in the mounting flange 38 a bore 45 extending coaxially to the cylindrical inner wall 40 for receiving the actuating shaft 2. The actuating shaft 2 is rotatable about its longitudinal axis 3 and / or slidably mounted on the bearing unit 4 in the axial direction
    The bearing unit 4 is provided for attachment to a not dargestelitan gearbox housing on the mounting flange 38 with through holes 46 and is example, upper bolts detachably mounted on the transmission housing in addition between the bearing unit 4 and the transmission housing a seal 47 ange- A201MM007 07/07/2011 15:34
    No .: R861 P.016 / 038 25 25 17/38 ........ IW * «* ..» WP-2011 • · t · · # · I «• · * · ·· M» · «*« · «· · ·« «« · * · · · · · · 8 · * * M * »» t · -13-oidnet. This is arranged in a radially circumferential recess 48 in the outer wall 39.
    As in the Flg. can be seen, the first bearing flange 41 on the cylindrical outer wall 39 and the second bearing flange 42 angefbrmt on the cylindrical inner wall 40. The first bearing flange 41 and second bearing flange 42 are provided in the radial direction to the outer and inner walls 39,40 with coaxial bearing bores 49.50 , Which according to the present embodiment extend over the entire wall thickness of the outer and inner walls 39,40.
    The guide pin 37,81,62,63,66,67,77 has a first bearing portion 51 and optionally a second bearing portion 52 and a guide portion 53 on. The erat bearing section 51 and optionally second bearing section 52 form a bearing surface extending coaxially to the guide section 53. The guide pin 37,61,62,63,66,67,77 Is a press fit between the fn) bearing bore (s) 49,50 and the (n) Lagerabschnittfen) 51,52 raib-schlüssig connected to the Lageralnheit 4. On the other hand, it is also possible that an additional connecting element between the fn) bearing bore (s) 49, 50 and the (n) bearing portion (s) 51,52 is arranged. For example, the Kullssenetift 37,61,62,63,66,67,77 by a fluid joining compound, such as adhesive bonding, between the (n) bearing bore (s) 49,50 and the (n) bearing section (s) 51.52 "verifersicher * mounted grazing.
    Contrary to the prior art, in which the KuBssenstift over its entire length in cross section has the same diameter, therefore, the guide portion and the bearing portions are designed with the same diameters, it is provided according to the invention according to the embodiment in Figs. 4-9,13 in that the guide pin 37, 61, 62, 63, 66, 77 has a larger cross-sectional dimension 54 at least in one of its axially opposite bearing sections 51 than a cross-sectional dimension 55 in the guide section 53. The guide section 53 is preferably circular in cross-section. The cross-sectional ratio between the cross-sectional dimension 54 of the first bearing section 51 and the cross-sectional dimension 55 of the guide section 53 is Λ2010 / 09007 07/07/7011 15-35
    No .: RB61 P.017 / 038 25 15:33:54 07-07-2011 18/38 ♦ · · * · · · · * * * «« # * * · # · ·· «··« * · For example, the diameter of the guide section 53 may be between 2.5 mm., And 1.5: 1 and 10: 1, for example 5: 1 and 6 mm and the diameter of the first bearing portion 51 between 10 mm and 25 mm. The length / cross-sectional ratio between the length 56 of the guide pin 37, 61, 62, 63, 66, 77 and the cross-sectional dimension 54 of the first bearing portion 51 is, for example, between 1: 1 and 3.5: 1. For example, the length 56 of the Kuiissenstiftes 37,61,62,63,66,77 be between 25 mm and 35 mm.
    4 and 5 show a first embodiment of a guide pin 37 according to the invention and its attachment to the bearing unit 4. The guide pin 37 is designed in several parts and includes the bearing portions 51,52, the guide portion 53 and a receiving portion 57, wherein the first bearing portion 51 is formed with a relative to the FührungsabechnHt 53 larger cross-sectional dimension 54 by a bush 58. The bushing 58 is slid over a bore on the receiving portion 57 and fixed in the axial direction by a securing element 59, such as a circlip, on the Aufhahmeabschnitt 57 and into the bearing bore 49th Pressed, glued etc. The second Legerabschnitt 52 is designed in extension to the guide portion 53 with the same cross-sectional dimension 60 and pressed into the bearing bore 50, glued etc ..
    6 shows a second embodiment of a guide pin 61 according to the invention and its attachment to the bearing unit 4. The guide pin 61 is integrally permitted and comprises the bearing portions 51,52 and the guide portion 53, wherein the first bearing portion 51 with a relative to the guide portion The first Lageiabschnitt 51 is pressed into the bearing bore 49, glued etc. The second Lageiabschnitt 52 is allowed in extension to the guide portion 53 with the same cross-sectional dimension 60 and pressed into the Lagerfaohrung 50, glued etc ..
    Fig. 7 shows a third embodiment of a guide pin 62 according to the invention and its attachment to the bearing unit 4. The guide pin 62 is mehrteittg designed and includes the bearing sections 51,52, the guide section 53 A201008007 07/07/2011 15:36
    No .: R861 P.018 / 038 15:54:44 07-07-2011 19/38 25 • · * · * · ♦ ·· * ♦ ···· * · · · «« ··· Μ ·· And a receiving portion 57, wherein the first bearing portion 51 is formed with a relation to the guide portion 53 larger cross-sectional dimension 54 by a bushing 58. The bushing section 53 and the receiving section 57 are provided by a cylindrical pin with a circular cross-section. The bushing 58 is pressed onto the receiving section 57 in the axial direction or fixed on the receiving section 57 and pressed into the bearing bore 49 via a securing element, for example a material-filling joint. glued etc .. The second bearing portion 52 is designed in extension to the guide portion 53 with the same cross-sectional dimension 60 and eingepiesst in the trained as a blind hole bearing bore 50 and / or eingektebt etc ..
    Also, an embodiment according to FIG. 8 may prove advantageous if high voltages must be expected in the region of the bearing bore 50. The guide pin 63 is designed in several parts and comprises the axially opposite bearing portions 51,52, the guide portion 53 and a receiving portion 84. The first bearing portion 51 is designed with a relation to the guide portion 53 larger cross-sectional dimension 54. The second bearing section 52 is designed with a larger cross-sectional dimension 80 relative to the guide section 53 and is formed by a bushing 65. The bushing 85 is, as shown, pressed onto the receiving section 64 in the axial direction or fixed on the receiving section 64 via a securing element, for example a flexible joint, and pressed into the bearing bore 50, glued etc. The cross-sectional dimensions 54, 60 are corresponding to the stress distributions adapted in the storage unit 4 in the region of the bearing bores 49,50 and can be designed the same or different. The length / cross-sectional ratio between the length 56 of the guide pin 63 and the cross-sectional dimension 60 of the second bearing section 52 is less than 6: 1 and is for example between 1: 1 and 3.5: 1.
    Likewise, it is possible according to an embodiment shown in Fig. 8 that the guide pin 66 is designed in several parts and the bearing portions 51,52, the guide portion 53 and receiving portions 57,54 includes The Fuhrung 53 and the receiving portions 57,54 are of a Zyiinderstift mit kreisrundem Λ2010ΌΘ007 07/07/2011 15:37
    No .: R861 P.019 / 038 25 15:35:36 07-07-2011 20/38 • · · · · · ·············
    Cross section formed. The bearing sections 51, 52 are each designed with a cross-sectional dimension 54, 60 that is larger than the guide section 53 and are formed by bushes 58, 65. The bushes 58, 65 are pressed on the receiving sections 57, 44 in the axial direction or, for example, via a securing element, a material-filled joint connection The cross-sectional dimensions 54, 60 are adapted to the stress distributions in the bearing unit 4 in the region of the bearing bores 49, 50 and can be designed the same or different ,
    According to another embodiment, not shown, it is also possible that the Ku-fissenstift 63 is designed in one piece and the bearing portions 51,52 and the guide portion 53 includes The bearing sections 51,52 are then with respect to the guide portion 53 larger cross-sectional dimension 54, 60 designed and are pressed into the bearing holes 49,50, glued etc ..
    10 and 11, a further embodiment of the invention is shown in the radial direction to the longitudinal axis of the bearing unit 4 fixedly arranged ball-senstift 67 includes the axially opposite bearing portions 51, 52 and the guide portion arranged therebetween 53 and is at its periphery designed with a changing cross-sectional dimension 68,69 The guide pin 67 forms a main axis 70 and a perpendicular to her Nebenachee 71, wherein the main axis 70 extends in a direction perpendicular to the longitudinal axis of the bearing booklet 4 Radiaiebene or in the direction of the switching movement. The guide pin 67 is therefore a one-piece molding 72, in particular an oval cylinder (FIG. 11a) or an elliptical cylinder with two guide surfaces parallel to one another (FIG. 11b). The cross-sectional dimensions 68, 69 are over the entire length of the groove 67, hence both in the bearing sections 51, 52 and the guide section 53. The transverse dimension 68 in the direction of the main axis 70 is greater than the cross-sectional dimension 69 in the direction of the minor axis 71. The guide pin 67 is designed in one piece. Audi can through the different cross-A201009007 07/07/2011 15:38
    No .: R861 P.020 / 038 15:36:27 07-07-2011 21/36 25 * · I t * · · · * * «« · ft ftftft ft ft ft ft * »Ft ft ·· · · ft ftft ftftftftft ·· -17-cuts cut the guide pin 67 and a defined orientation of the guide pin 67 relative to the guide slot 15, a width 73 of the shift gates 29 (slide slots) are narrow.
    The aspect ratio between the first cross-sectional dimension 67 and the second cross-sectional dimension 68 is between 2.4: 1 and 6.4: 1, for example 2.8: 1. In this case, the first cross-sectional dimension 68 may be between 6 mm and 16 mm and the second cross-sectional dimension 69 between 2.5 mm and 6 mm. The length / width ratio between the length 56 of the guide pin 67 and the first cross-sectional dimension 68 in the bearing sections 51, 52 is less than 6: 1 and is for example between 1.5: 1 and 5.8: 1. In this case, the length 56 of the guide pin 67 can be between 25 mm and 35 mm.
    Due to the enlarged cross-sectional dimension 68 of the shaped body 72 in a plane perpendicular to the longitudinal axis of the bearing unit 4 radial plane or in the direction of the switching movement of the shade assembly 5 on the one hand, a high moment of resistance with respect to minor axis 71 and a high dimensional stability of the guide pin 67 is reached Thus, since the guide pin 67th adhere to the stop of the guide portion 53 to da limiting surface 33 of the switching assembly 5 high mechanical loads stand. On the other hand, the permissible stresses in the bearing unit 4 in the region of the bearing bores 49, 50 are not exceeded by the cross-sectional enlargement of the bearing sections 51, 52.
    According to another embodiment, not shown, it is also possible that since shaped body 72 or guide pin 67 exclusively comprises a bearing portion 51 and is secured thereto with the bearing unit 4
    Fig. 12 shows a seventh embodiment of a guide pin 77 according to the invention and its attachment to the bearing unit 4. The guide pin 77 is designed in one piece and comprises only a bearing portion 51 and the bearing portion 51 projecting guide portion 53, where da bearing portion 51 with a opposite The bearing section 51 is pressed into the guide hole 49, eingelugtes etc .. For example, the diameter of the bearing portion 51 between A20UVD9007 07/07/2011 15:38
    No .: R861 P.021 / 038 25 22/38 1ξ | 7: 17 # φ 07 ^ 07-2011 • # · * ··· · · · · · * * # ♦ # · • »* * * * · The length of the guide pin 77 is between 10 mm and 20 mm. The length / cross-section ratio between the length 56 of the Kufi pin pin 77 and the cross-sectional dimension 54 of the bearing portion 51 is between 0.33: 1 and 0.8: 1. Also, a multi-piece cam pin 77 comprising the guide portion 53 and a bushing mounted on a receiving portion is conceivable. In Fig. 13 is still an embodiment for the attachment of the guide pin on the bearing unit 4 based on the embodiment of FIG. 6 described. The guide pin 61 is initially positioned relative to the prefabricated bearing bores 49,50 of the bearing unit 4 such that it is arranged or fixed in the axial direction with its bearing portions 51,52 in the bearing bores 49,50 Thereafter, the guide pin 61 by partially plastic deformation of firmly connected to the bearing bore 49 adjacent material of the outer wall 39 with the bearing unit 4. For this purpose, the bearing unit 4 has, in the region of the outwardly pointing end of the bearing bore 49, a material region 74 which can be melted or plastically deformed by heat input in a thermal joining process.
    In a preferred embodiment, joining takes place by ultrasound, in which a so-called sonotrode in the material regions 74 of the bearing unit 4 causes the molecules to vibrate and heat is generated by the internal friction and the material region is melted. The result is thus a plastic material molding or an annular securing element 75, for example, through which the first bearing section 51 engages behind in the bearing bore 49. The securing element 75 is in other words formed by a caulking formed around the bearing bore 49, so that the guide pin 61 fixed in position by the caulking attached to the bearing unit 4 isL
    In combination with the embodiment, according to which the second bearing portion 51 in the axial direction by a depth of the bearing bore 50 bounding bottom 76 A201009007 07 y 07/2011 15:39
    No .: R861 P.022 / 038 25 25 23/38 15: 38: ½ 07-07-2011 · * e »···« t * t ··· ·· * · * · * · «· * · is easy to assemble and captive attachment of the guide pin 61 on the bearing unit is made possible.
    The joining connection can also be made by other thermally acting FQgeverfahren that work with laser light electron beam or Schaiiweiien with a frequency less than 20 KHz, or by Piagesveifehren under the influence of temperature at least on the plastically deformable material region 74.
    The guide pins 37,61,62,63,66,67,77 and the bushings 59,65 described above are characterized by a different material to the KunststoffmateriaJ the bearing unit 4 material, in particular a metal alloy, from a strength point of view, the material from which the Guide pin 37,61,62,63, 66.67.77 and the sockets 59,65 are made, a tensile strength Rn, greater than 700N / mm2, in particular between 900 N / mm2 and 1800 Nftnm2 on. The plastic material of which the bearing unit 4 is made has a tensile strength Rn of between 150 N / mm 2 and 250 N / mm 2.
    The subject invention is not to be considered limited to a storage unit on plastic material. Rather, the invention described can also be applied to a bearing unit made of light metal, in particular a metal or a metal alloy, for example aluminum, magnesium or titanium or aluminum, magnesium or titanium alloys. Therefore, a material whose tensile strength Rm is less than 500 N / mm2
    Finally, it should also be pointed out that the slide pins 37, 61, 62, 63, 66, 77 according to the embodiments in FIGS. 5 to 9, 12 and 13 are at least in the guide section 53 or in the guide section 53 and the take-up conveyor (s). Thus, on the one hand a high Formstabüitäft the KuhnssenstHtes achieved and on the other hand, when the Kuiissenstiftes stop at a Begrenzungsstiäche theFh horsing the allowable stresses in the storage unit tm area of the La gerbhrung (s) not reached or exceeded as detailed above. Λ2010 / 09007 07/07/2011 15:40
    No .: R861 P.023 / 038 15: 38: ¾ 07-07-2011 24/38 25 ♦ ··· * · · · · • # * «♦ ·« ··· · β · * · I · · · ··· * # ······················································································································································································································ the indication 1 to 10 should be understood to include all sub-ranges, starting from the lower limit 1 and the upper limit 10, i. all subregions begin with a lower limit of 1 or greater and end at an upper limit of 10 or less, e.g. 1 to 1.7, or 3.2 to 8.1 or 5.5 to 10.
    The Ausfqhrungsbeispieie show possible embodiments of the guide pin and its attachment, which should be noted at this point that the invention is not limited to the specially dargesteJIten embodiments of the same, but also various combinations of the individual embodiments are mutually possible and this variational Possibility due to the teaching of technical Acting by objective Eifindung in the skill of those working in this technical field is expert So there are also all conceivable embodiments, which are possible by combinations of individual details of the illustrated and described embodiment, the scope of protection includes.
    For the sake of order, it should finally be pointed out that in order to better understand the structure of the switching arrangement, these or their components have been shown partially unevenly and / or enlarged and / or reduced in size.
    Above all, the individual in the flg. Figures 1 to 13 show the subject matter of independent solutions according to the invention. A2OtOIOO0Q7 07/07/2011 15:41
    No .: R861 P.024 / 038 -ΖΛ- 15/1: ¾ .. ^ 7-2011 28/38 25 -ΖΛ- 15/1: ¾ .. ^ 7-2011 28/38 25 1 Switching device 2 Operating shaft 3 Longitudinal axis 4 Bearing unit 5 Switching arrangement 6 Locking element 7 Raatkörper 8 Actuator 8 Schafenteil 10 Shell part 11 Joint seam 12 Support disc 13 Wähikontur 14 Shank contour 15 Guide slot 16 Blocking wall 17 Locking surface 16 Recess 18 Cutout 20 Shaft 21 Actuator 22 Joining seam 23 Joining seam 24 Surface section 25 Surface section 26 Surface section 27 Surface section 28 Wählgasse 29 Schaltgasse 30 guide surface 31 guide surface 32 switching movement 33 boundary surface 34 chamfer 35 projection 36 selection movement 37 guide pin (Fig. 5) 38 mounting flange 39 outer wall 40 inner wall
    Reference numeral 41 Bearing flange 42 Bearing flange 43 Shaft seal 44 Bearing 45 Bore 46 Through bore 47 Gasket 48 Recess 49 Bearing bore 50 Bearing bore 51 Bearing section 52 Bearing section 53 Guide section 54 Cross-sectional dimension 55 Cross-sectional dimension 56 Length 57 Bearing section 58 Socket 59 Securing element 60 Cross-sectional dimension 61 Guide pin (Fig. 6) 62 Guide pin (Fig. 7) 63 Guide pin (Fig. 8) 64 Mounting section 65 Bushing 66 Guide pin (Fig. 9) 67 Guide pin (Fig. 10) 68 Cross-sectional dimension 69 Cross-sectional dimension 70 Main axis 71 Secondary axis 72 Shaped body 73 Width 74 Material area 75 Securing element 76 Base 77 Guide pin (Rg. 12) A20KMM07 07/07/9011 15-43
    No .: R861
    权利要求:
    Claims (14)
    [1]
    25 25 25/38 15:39:33 07-07-2011 ·· ·················································································· 1. A storage unit (4) for a switching device (1) of a motor vehicle transmission with an actuating shaft (2) and a guide slot (15) movable relative to the bearing unit (4), the bearing unit (4) comprising a link (37; 61; 62; 63; 66; 67; 77) having a guide portion (53) for engagement with the guide slot (15) and at least one bearing section (51) for attachment to the bearing unit (4) deflects, characterized in that the guide pin (37; 61; 62; 63; 66; 67; 77) in the bearing section (51) one opposite the guide section (53) has a larger cross-sectional dimension (54) or is formed by a shaped body (72) having the bearing and guide portions (51, 53) softer in the cross-sectional plane in the direction perpendicular to each other the running main and minor axes (70,71) forms different cross-sectional dimensions (68,69)
    [2]
    2. Bearing unit according to claim 1, characterized in that the guide pin (61) with the Fqhrungsabschnitt (53) and the bearing portion (51) is formed in one piece.
    [3]
    3. Bearing unit according to claim 1, characterized in that the guide pin (37; 62; 66) with the Fuhrung portion (53) and the bearing portion (51) is formed in several parts, wherein the guide portion (53) and bearing portion (51) are interconnected.
    [4]
    4. Bearing unit according to claim 1, characterized in that the ball pin (37; 61; 62; 63; 66; 67) has a first bearing section (51) and second bearing section (52), wherein the bearing sections (51,52) Above the guide portion (53) are interconnected and the Kuliseenstift (37; 61; 62; 63; 66; 67) on the bearing portions (51,52) on the bearing unit (4) can be fastened. A2010n0007 07/07/2011 15:41 No .: R861 P. 025/038 25 25 26/38 • 1 07-07-2011 * e · • * «τ. , ···································································································.
    [5]
    5. Bearing unit according to claim 4, characterized in that the guide pin (63; 66) also in the second bearing portion (52) has a relation to the Füh- rungsabschnttt (53) larger cross-sectional dimension (60).
    [6]
    6. Bearing unit according to claim 4 or 5, characterized in that the guide pin with the FQhrungsabschnitt (53) and the bearing portions (51, 52) is ausgebolde in one piece.
    [7]
    7. Bearing unit according to claim 4 or 5, characterized in that the guide pin (37; 62; 66) with the guide portion (53) and the bearing portions (51,52) is formed in several parts, wherein the guide portion (53) and the bearing portions (51, 52) are interconnected.
    [8]
    8. Bearing unit according to claim 1, characterized in that the guide pin (37; 61; 62; 63; 66; 67) is mounted with the bearing sections (51,52) on the bearing unit (4) having bearing bores (49,50) and by at least one securing element (75) or a FOge connection, in particular fluid-fluid or non-rigid FOge connection, can be fixed in the axial direction on the bearing unit (4).
    [9]
    9. Bearing unit according to claim 1, characterized in that the guide pin (77) with a single bearing portion (51) mounted on a, the bearing unit (4) having bearing bore (49) and by at least one securing element (75) or a joint connection, in particular fluid or frictional joint connection, in Axiairichtung on the bearing unit (4) can be fixed
    [10]
    10. Bearing unit according to one of claims 1 to 9, characterized in that a ratio between the length of Kullssenstiftes (37; 61; 62; 63; 66; 77) and cross-sectional dimension (54; 60) of the bearing portion (51; 52) is smaller than 6 : 1 A20MV00007 07707/2011 15:42 No .: R861 P.026 / 038 -3- 15:40:57 07-07-2011 27/38 • • • • • • • • • • • e ············································································································································
    [11]
    11. Bearing unit according to one of claims 1 to 9, characterized in that a ratio between the length of the guide pin (67) and the larger of the Queischnrttsabmessungen (68) in the direction of the major axis (70) is smaller 6: 1.
    [12]
    12. Bearing unit according to claim 1 or 11, characterized in that a ratio between the first cross-sectional dimension (68) in the direction of the main axis (70) and second Querschnittsabmeesung (69) in the direction of the minor axis (71) between 2.4: 1 and third : 1 is
    [13]
    13. Switching device (1) for a motor vehicle transmission with a bearing unit (4) and a relative to the bearing unit (4) adjustable switching arrangement (5), wherein the switching arrangement (5) has a guide slot (15) which of a on the storage unit ( 4) fixedly arranged Kufissenstift (37; 61; 62; 63; 66; 67; 77) can be penetrated, characterized in that the bearing unit (4) according to one of claims 1 to 12 formed tsL
    [14]
    14. A sound device according to claim 13, characterized in that the switching device (1) has a Betätigungsweile (2) which is pivotally and / or longitudinally displaceable in the bearing unit (4), and the Fqhrungskulisse (15). STIWA Holding GmbH by | Attorneys Burgdr & Partner Attorney at Law A20KMI8007 07/07/2011 15:43 No .: R861 P, 027/038
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    同族专利:
    公开号 | 公开日
    DE102011051925A1|2012-01-26|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    AT12512010A|AT510037B1|2010-07-26|2010-07-26|MULTI-PIECE ROCKING SLEEVE AND METHOD FOR THE PRODUCTION THEREOF|
    DE201010061282|DE102010061282A1|2010-07-26|2010-12-16|Bearing unit for a switching device of a motor vehicle transmission|
    AT9952011A|AT510576B1|2010-07-26|2011-07-07|BEARING UNIT FOR A SWITCHING DEVICE OF A MOTOR VEHICLE GEARBOX|AT9952011A| AT510576B1|2010-07-26|2011-07-07|BEARING UNIT FOR A SWITCHING DEVICE OF A MOTOR VEHICLE GEARBOX|
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