WO2016165707A1 - Pièce de pression pour dispositif de synchronisation - Google Patents

Pièce de pression pour dispositif de synchronisation Download PDF

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Publication number
WO2016165707A1
WO2016165707A1 PCT/DE2016/200177 DE2016200177W WO2016165707A1 WO 2016165707 A1 WO2016165707 A1 WO 2016165707A1 DE 2016200177 W DE2016200177 W DE 2016200177W WO 2016165707 A1 WO2016165707 A1 WO 2016165707A1
Authority
WO
WIPO (PCT)
Prior art keywords
spring
pressure piece
sliding sleeve
housing
axial length
Prior art date
Application number
PCT/DE2016/200177
Other languages
German (de)
English (en)
Inventor
Viktor Lichtenwald
Original Assignee
Schaeffler Technologies AG & Co. KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Priority to JP2017549381A priority Critical patent/JP2018511752A/ja
Priority to CN201680021142.3A priority patent/CN107466342B/zh
Publication of WO2016165707A1 publication Critical patent/WO2016165707A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/02—Arrangements for synchronisation, also for power-operated clutches
    • F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
    • F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/02—Arrangements for synchronisation, also for power-operated clutches
    • F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
    • F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
    • F16D2023/0631—Sliding sleeves; Details thereof
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/02—Arrangements for synchronisation, also for power-operated clutches
    • F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
    • F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
    • F16D2023/0637—Details relating to the hub member on which the sliding is arranged
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/02—Arrangements for synchronisation, also for power-operated clutches
    • F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
    • F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
    • F16D2023/0656—Details of the tooth structure; Arrangements of teeth
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/02—Arrangements for synchronisation, also for power-operated clutches
    • F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
    • F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
    • F16D2023/0681—Double cone synchromesh clutches

Definitions

  • the invention relates to a pressure piece for a synchronizing device of a motor vehicle transmission with a housing and a molded spring produced separately from the housing, wherein the housing has a bottom whose axial length is greater than that of the spring, side walls which surround the spring at least partially, and a lid portion wherein the spring is at least partially disposed radially between the lid portion and the bottom.
  • the sliding sleeve initially takes the pressure piece axially along the axis of rotation in the direction of the gear wheel to be switched, whereby the synchronization process is initiated.
  • Such a pressure piece is relatively simple in design and, as in other known applications with leaf spring-like or bow-shaped flat spring elements provided as locking elements.
  • Flat, bow-shaped spring elements are often preferred over the coil springs also used in this application, since they allow relatively many variations in the design of the spring characteristic and often take over blocking functions.
  • the object of the invention is therefore to provide a pressure piece with a locking element which avoids the disadvantages mentioned above and allows a narrow sleeve carrier.
  • the printing piece has a housing and a molded spring made separately from the housing.
  • the housing has a bottom, whose axial length is greater than that of the spring, and side walls which surround the spring at least partially, and a cover portion, wherein the spring at least partially radially between the lid portion and the bottom is arranged.
  • the lid portion is axially spaced from the sidewalls by clearances, and the spring extends into the clearances and projects radially beyond the lid portion without external force on the pad.
  • the fact that the spring is not designed as a simple helical compression spring, but as a form spring whose legs protrude partially radially over the lid is a particularly flat design of the pressure piece possible.
  • the radial height of the pressure piece in the region of the cover portion may thus be of the same order of magnitude or even less than the spring deflection by which the spring is compressed. This in turn makes it possible to make the recess for the pressure piece between the sleeve carrier and the sliding sleeve so small that the carrying capacity of the sleeve carrier is not or hardly affected.
  • the pressure piece thus enables a synchronizing device with a sleeve carrier in which the pressure piece receiving does not reach deeper than the base band of the toothing.
  • the height of the pressure piece can be further reduced if the pressure piece with the two sheets can be locked against a sliding sleeve whose teeth are flattened to the end faces. In the neutral position, the two arches of the spring thus take a sliding sleeve tooth axially between them and are biased together against this.
  • the spring as a latching element protrudes radially to a circular path, on which rotates the pressure piece entrained by the rotating unit of sliding sleeve and sleeve carrier about the axis of rotation of the unit.
  • the pressure piece is resiliently biased against the sliding sleeve and at least temporarily in one of the pressure piece opposite latching recess locked to the sliding sleeve.
  • the housing is preferably a sheet metal part and cupped.
  • the housing has a bottom. From the bottom preferably go from two angled in the radial direction side walls. Depending on the design of the pressure piece, the housing remains open in a radial direction or is partially covered on its side opposite the bottom.
  • a one-piece with the housing is covered by one of the side walls angled or a separate, preferably also formed of sheet metal and provided on the or in the housing lid.
  • the latching element is a separately manufactured to the housing item and is inserted into the housing.
  • the latching element with the exception of the protruding from the housing and resiliently biased against the sliding sleeve portion of the locking element is well protected by the housing against mechanical influences.
  • At least one, preferably both, in the course direction of the axis of rotation directed sides of the housing are provided for the start of the pressure piece to each one to be activated by the pressure piece synchronizer ring.
  • the second of the latching elements protrudes on the second side of the sides of the pressure piece facing away from one another and in turn is biased against the sliding sleeve.
  • Each of the latching elements is locked at least temporarily - simultaneously with the other latching element or with a time delay to the other latching element - in each case one of two latching depressions on the sliding sleeve.
  • one of the locking elements is biased against the sliding sleeve and the other of the two locking elements against the sleeve carrier, wherein the sliding sleeve has a latching recess and the sleeve carrier has a latching recess in which the respective latching element is engaged at least temporarily.
  • the latching recesses or latching recesses are preferably formed on the flanks of a tooth gap of the sliding sleeve or the sleeve carrier for the pressure piece.
  • the sliding sleeve frontally each have flats against which the spring of the pressure piece is biased in the neutral position simultaneously.
  • the other leg is either supported in the housing or protrudes and is also optionally biased against either the sliding sleeve or the sleeve carrier.
  • the legs of the spring are preferably directed facing each other and are based approximately axially centrally on the bottom of the pressure piece from. Under the action of a directed to the axis of rotation force on the curvatures of the spring, this can deflect into the space formed by the bottom and the side walls.
  • FIG. 3 shows the synchronizing device according to FIG. 1 in a partially sectioned oblique view
  • FIG. 5 shows a part of the synchronizing device according to FIG. 4 in an enlarged view
  • FIG. 6 shows the pressure piece of the synchronizing device according to FIGS. 1 to 5 in a perspective oblique view
  • Figure 7 shows the pressure piece of Figure 6 in longitudinal section
  • FIGS. 1 to 5 shows the sleeve carrier of the synchronizing device according to FIGS. 1 to 5 in a perspective oblique view.
  • FIGS. 1 to 5 show a synchronizing device 1 which has a sliding sleeve 2, a sleeve carrier 3, a plurality of synchronizing rings 4, 5, gear wheels 6, coupling bodies 7 and thrust pieces 8.
  • the sliding sleeve 2, the sleeve carrier 3 and the gear shaft are rotationally connected to one another via the toothed profiles and the toothings, so that the gear shaft, the sleeve carrier 3 and the sliding sleeve 2 rotate together in the circumferential direction relative to each other immovably about a common axis of rotation.
  • the synchronizer rings 4, 5 are arranged, of which the outer synchronizer rings 4 are secured against rotation by the sleeve carrier and therefore rotate synchronously with the transmission shaft about the axis of rotation.
  • Each of the inner synchronizer rings 5 is rotationally fixed to one of the coupling rings.
  • the coupling body 7 each have coupling teeth 7a for the engagement of the internal teeth.
  • the gear wheels 8 are freely rotatably mounted on the transmission shaft about the axis of rotation to the transmission shaft, so that the gear wheel 8, the coupling body 7 and the inner synchronizer ring 5 are rotatable together when not geared relative to the transmission shaft.
  • the plungers 8 sit radially and circumferentially distributed between the sleeve carrier 3 and the sliding sleeve 2. From Figure 2, a cut DarStellung of Figure 1 in the plan, and from Figure 8 it can be seen that by missing or modified teeth of the internal teeth or ., the outer teeth 31 are provided for each of the pressure pads 8 gaps for receiving the plungers 8.
  • the internal toothing and the external toothing have tooth gaps 34, which are arranged in the circumferential direction at the same angular positions and together form the gaps. Not shown are variants in which the gaps are formed only by partially overlapping tooth gaps 34 or by a tooth gap in only one of the teeth.
  • the plungers of Figures 1 to 5 are shown enlarged in Figures 6 and 7.
  • the pressure piece 8 has a housing 81 which formed aüs sheet and provided with a flat bottom 82 and side walls 83.
  • the end walls 83 are angled in the direction of the sliding sleeve 2 of the bottom 82.
  • the end walls 83 aligned perpendicular to the axis of rotation have a plane surface for the contact of the pressure piece 8 with the outer synchronizing ring 4.
  • the pressure piece 8 also has side walls 87, of which cover portions 84 are angled, which at least partially cover the pressure piece 8 on its side 82 opposite the bottom. They are formed in the plan as mutually parallel strips, which are spaced from each other by a parallel slit 85.
  • a bow-shaped spring 9 which is at least partially encapsulated by the side walls 87 and the lid sections 84 and the bottom 82.
  • the spring 9 has two legs, wherein the legs are directed to the center of the pressure piece, so that the spring ends are both supported on the bottom 82. From one another, the spring ends are spaced by a small gap relative to the leg length. Thus, the spring 9 can be supported well on the ground 81, the spring ends are rounded.
  • Each of the legs has a curvature in the form of an arc, wherein the two arches are connected by a parallel to the bottom 82 extending spring portion.
  • the arches protrude radially from the imaginary cuboid formed by the housing 81 and each form loop-like locking elements.
  • the locking elements are spaced apart from each other so that they can take a sliding sleeve tooth between them in the mon- deep state and can be supported on this.
  • In the neutral position of the spring portion is located on the lid portions 84 on the inside.
  • the pressure piece 8 strikes with its the gear wheel 6 to be switched facing end wall 83 to a stop on the outer synchronizer ring 4.
  • the pressure piece 8 pushes the outer synchronizer ring 4 with its inner conical friction surface along the axis of rotation on the outer conical friction surface of the further synchronizer ring fifth is the synchronization profile Zess introduced in the synchronizer 1.
  • the sliding sleeve 2 moves further in the direction of the coupling body 7 until the internal teeth meshes with the coupling teeth and the gear wheel 6 thus rotatably connected to the unit of sliding sleeve 2 and sleeve carrier 3 is connected.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

L'invention concerne une pièce de pression (8) pour un dispositif de synchronisation (1) d'une boîte de vitesses de véhicule à moteur, qui comprend une enveloppe (81) et un ressort (9) réalisé de manière séparée par rapport à l'enveloppe (81), l'enveloppe (81) présentant un fond (82) dont la longueur axiale est supérieure à la longueur axiale du ressort (9) et une partie rabat (84), le ressort (9) étant disposé au moins en partie dans le sens radial entre la partie rabat (84) et le fond (82), et ledit ressort (9) s'étendant dans les espaces libres (86) et faisant saillie dans le sens radial au-dessus de la partie rabat (84) sans qu'aucune force ne s'exerce de l'extérieur sur la pièce de pression (8).
PCT/DE2016/200177 2015-04-13 2016-04-11 Pièce de pression pour dispositif de synchronisation WO2016165707A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2017549381A JP2018511752A (ja) 2015-04-13 2016-04-11 同期装置用のスラストピース
CN201680021142.3A CN107466342B (zh) 2015-04-13 2016-04-11 用于同步设备的压力件

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015206521 2015-04-13
DE102015206521.9 2015-04-13

Publications (1)

Publication Number Publication Date
WO2016165707A1 true WO2016165707A1 (fr) 2016-10-20

Family

ID=55862496

Family Applications (4)

Application Number Title Priority Date Filing Date
PCT/DE2016/200177 WO2016165707A1 (fr) 2015-04-13 2016-04-11 Pièce de pression pour dispositif de synchronisation
PCT/DE2016/200183 WO2016165709A1 (fr) 2015-04-13 2016-04-13 Bague de synchronisation d'un dispositif de synchronisation et dispositif de synchronisation
PCT/DE2016/200185 WO2016165711A1 (fr) 2015-04-13 2016-04-13 Bague de synchronisation d'un dispositif de synchronisation et dispositif de synchronisation
PCT/DE2016/200184 WO2016165710A1 (fr) 2015-04-13 2016-04-13 Porte-manchon d'un dispositif de synchronisation et dispositif de synchronisation

Family Applications After (3)

Application Number Title Priority Date Filing Date
PCT/DE2016/200183 WO2016165709A1 (fr) 2015-04-13 2016-04-13 Bague de synchronisation d'un dispositif de synchronisation et dispositif de synchronisation
PCT/DE2016/200185 WO2016165711A1 (fr) 2015-04-13 2016-04-13 Bague de synchronisation d'un dispositif de synchronisation et dispositif de synchronisation
PCT/DE2016/200184 WO2016165710A1 (fr) 2015-04-13 2016-04-13 Porte-manchon d'un dispositif de synchronisation et dispositif de synchronisation

Country Status (4)

Country Link
JP (1) JP2018511752A (fr)
CN (1) CN107466342B (fr)
DE (4) DE102016206189A1 (fr)
WO (4) WO2016165707A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108119572A (zh) * 2016-11-29 2018-06-05 舍弗勒技术股份两合公司 同步器滑块及同步器系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63110747U (fr) * 1987-01-13 1988-07-16
EP0870941A1 (fr) 1997-02-28 1998-10-14 Renault Dispositif de synchronisation pour boíte de vitesses
DE10231602A1 (de) * 2002-07-12 2004-01-29 Daimlerchrysler Ag Druckstück zum Einrücken einer Synchronisierkupplung eines Zahnräderwechselgetriebes
EP1460298A1 (fr) * 2003-03-20 2004-09-22 Peugeot Citroen Automobiles S.A. Synchroniseur de boîte de vitesses pour véhicules automobiles
WO2005019674A1 (fr) * 2003-08-16 2005-03-03 Ina-Schaeffler Kg Element d'encliquetage
EP1715209A2 (fr) * 2005-04-22 2006-10-25 Schaeffler KG Elément de blocage

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DE962040C (de) * 1955-12-25 1957-04-18 Volkswagenwerk G M B H Sperrsynchronisierung fuer Kraftfahrzeuggetriebe
JPS61294246A (ja) * 1985-06-20 1986-12-25 Toyota Motor Corp 同期噛合装置
JPH0544735A (ja) * 1991-08-08 1993-02-23 Hino Motors Ltd 同期装置のシンクロナイザリング及びその製造方法
DE19853856A1 (de) 1998-11-23 2000-05-25 Schaeffler Waelzlager Ohg Spanlos umgeformter Synchronring
FR2809783B1 (fr) * 2000-06-06 2002-08-02 Peugeot Citroen Automobiles Sa Ensemble synchroniseur pour une transmission de vehicule automobile
FR2818339B1 (fr) * 2000-12-19 2003-03-21 Renault Dispositif de synchronisation compact
DE10136906A1 (de) * 2001-07-28 2003-02-06 Ina Schaeffler Kg Vorrichtung zum Schalten eines Gangrades
DE10230177A1 (de) * 2002-07-05 2004-01-22 Ina-Schaeffler Kg Druckstück mit einem Rastelement
FR2845140B1 (fr) * 2002-09-27 2005-07-01 Renault Sa Dispositif de crabotage comportant un anneau de synchronisation freine
DE20216782U1 (de) * 2002-10-31 2004-03-11 Schwarzbich, Jörg Synchroneinrichtung
DE102005023248A1 (de) * 2005-05-20 2006-11-23 Zf Friedrichshafen Ag Druckstückeinheit für eine Synchronisiereinrichtung und Synchronisiereinrichtung für Schaltgetriebe, insbesondere für Kraftfahrzeuge
WO2008007083A1 (fr) * 2006-07-10 2008-01-17 Borg Warner Inc. Moyeu de synchroniseur allongé et bague de synchroniseur fonctionnant avec un ensemble moyeu et dents d'engrènement allongé
DE102007061646A1 (de) 2007-12-20 2009-07-02 Schaeffler Kg Synchronisiereinrichtung
DE102010046139A1 (de) * 2010-09-14 2012-03-15 Stromag Ag Synchronisationseinheit für eine formschlüssige Doppelschaltkupplung
CN103603882A (zh) * 2013-11-29 2014-02-26 长城汽车股份有限公司 一种车辆同步器
CN203756788U (zh) * 2014-01-21 2014-08-06 浙江吉利控股集团有限公司 同步器滑块装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63110747U (fr) * 1987-01-13 1988-07-16
EP0870941A1 (fr) 1997-02-28 1998-10-14 Renault Dispositif de synchronisation pour boíte de vitesses
DE10231602A1 (de) * 2002-07-12 2004-01-29 Daimlerchrysler Ag Druckstück zum Einrücken einer Synchronisierkupplung eines Zahnräderwechselgetriebes
EP1460298A1 (fr) * 2003-03-20 2004-09-22 Peugeot Citroen Automobiles S.A. Synchroniseur de boîte de vitesses pour véhicules automobiles
WO2005019674A1 (fr) * 2003-08-16 2005-03-03 Ina-Schaeffler Kg Element d'encliquetage
EP1715209A2 (fr) * 2005-04-22 2006-10-25 Schaeffler KG Elément de blocage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108119572A (zh) * 2016-11-29 2018-06-05 舍弗勒技术股份两合公司 同步器滑块及同步器系统

Also Published As

Publication number Publication date
WO2016165711A1 (fr) 2016-10-20
DE102016206186A1 (de) 2016-10-13
CN107466342A (zh) 2017-12-12
DE102016206190A1 (de) 2016-10-13
WO2016165710A1 (fr) 2016-10-20
WO2016165709A1 (fr) 2016-10-20
DE102016206189A1 (de) 2016-10-13
DE102016206187A1 (de) 2016-10-13
CN107466342B (zh) 2019-10-25
JP2018511752A (ja) 2018-04-26
DE102016206186B4 (de) 2021-06-17

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