EP3610165A1 - Arrangement d'embrayage à friction pour un véhicule automobile - Google Patents

Arrangement d'embrayage à friction pour un véhicule automobile

Info

Publication number
EP3610165A1
EP3610165A1 EP18714429.0A EP18714429A EP3610165A1 EP 3610165 A1 EP3610165 A1 EP 3610165A1 EP 18714429 A EP18714429 A EP 18714429A EP 3610165 A1 EP3610165 A1 EP 3610165A1
Authority
EP
European Patent Office
Prior art keywords
spring
friction clutch
support
output shaft
plate
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Withdrawn
Application number
EP18714429.0A
Other languages
German (de)
English (en)
Inventor
Martin Chambrion
Tim Schmid
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and 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 and Co KG filed Critical Schaeffler Technologies AG and Co KG
Publication of EP3610165A1 publication Critical patent/EP3610165A1/fr
Withdrawn legal-status Critical Current

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
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/583—Diaphragm-springs, e.g. Belleville
    • F16D13/585—Arrangements or details relating to the mounting or support of the diaphragm on the clutch on the clutch cover or the pressure plate

Definitions

  • the invention relates to a friction clutch assembly for a motor vehicle, for the switchable transmission of torque from a drive shaft to an output shaft having a common axis of rotation.
  • the friction clutch arrangement is provided in particular for coupling a crankshaft of an automobile engine with at least one transmission input shaft of a motor vehicle transmission.
  • the friction clutch arrangement can be used in particular as a (wet, ie operated in an oil bath) friction clutch arrangement for a motorcycle.
  • a friction clutch in which case a disc spring bearing of a diaphragm spring is realized via a support disk.
  • the support disk is connected via a bayonet lock with the friction clutch.
  • a release of the support disk is necessary.
  • the bayonet catch can only be removed with a special tool.
  • the friction clutch assembly for a motor vehicle, for transmitting a torque from a drive shaft to an output shaft having a common axis of rotation.
  • the friction clutch arrangement comprises at least one drive shaft and one output shaft and a friction clutch, at least
  • an outer plate carrier which is connected in a torque-locking manner to the drive shaft and to at least one outer plate
  • an inner plate carrier which is connected in a torque-locking manner to the output shaft and to at least one inner plate
  • a plate spring having a first end face and a second end face, which is actuated via an actuating device for forming and releasing a frictional connection between the at least one outer fin and the at least one inner fin, wherein the blades are actuated via the first end face of the disc spring;
  • the plate spring has for connecting the slats in a radial direction on the outside a first force edge and is operable via in the radial direction inwardly arranged plate spring tongue ends via the actuating device.
  • the plate spring is fixed in the radial direction between the force edge and the plate spring tongue ends with respect to an axial direction by a disc spring bearing.
  • the diaphragm spring bearing is formed on the second end face by the support spring.
  • the support spring is biased by a threaded nut, wherein the threaded nut is screwed onto one end of the output shaft.
  • the support spring has a spring stiffness and can be biased by a threaded nut.
  • the spring stiffness and elasticity of the support spring make it possible to make smaller demands on tolerances of the individual parts of the friction coupling arrangement. NEN.
  • a threaded nut can be fixed with conventional tools and released again. The use of special tools is therefore not required.
  • the friction clutch is a multi-plate clutch having a plurality of outer plates and inner plates.
  • a torque of an automotive engine is transmitted via the drive shaft in the friction clutch assembly.
  • the torque can be transmitted to the output shaft via a non-positive connection of the outer plates with the inner plates.
  • the inner plate carrier is connected via a hub part with the output shaft torque-locking.
  • the output shaft extends from the drive side of the friction clutch assembly along the axial direction through the hub portion and is there connected to the threaded nut.
  • the support spring is centered by the inner plate carrier relative to the axis of rotation.
  • the support spring is supported relative to the axial direction on a stop of a support ring, wherein the support ring is fixed by the threaded nut on the output shaft.
  • the support ring is centered by the support spring with respect to the axis of rotation (in the radial direction).
  • an actuating bearing of the actuator is centered by the support ring relative to the axis of rotation.
  • a rotational movement of the individual parts of the friction clutch coupling arrangement is decoupled from the actuating device via the actuating bearing.
  • the disk spring tongue ends are moved along the axial direction via the actuating device, so that the first force edge either transmits an actuating force to the disks and thus frictionally connects the disks with one another or the first force edge is moved away from the slats, so that a frictional connection of the slats is released.
  • the support spring is annular and extends from the diaphragm spring bearing with a spring portion along the axial direction and following the spring portion with a second force edge along the radial direction toward an inner circumferential surface, wherein the support spring on the inner peripheral surface a plurality of Having centering tongues which extend along the radial direction through openings of the support ring, wherein the support spring is supported on the centering tongues on the stop of the support ring.
  • the support spring is centered over the spring portion on the inner plate carrier relative to the axis of rotation.
  • the support ring has an annular base body, via which the support ring with the threaded nut on the output shaft can be fastened, wherein the support ring extending from the base body along the axial direction with a wall portion; wherein the wall portion has a plurality of openings and forms the stop.
  • the main body can be such. B. be clamped over the threaded nut between the end of the output shaft and the threaded nut.
  • the wall portion extends from the base body along the axial direction to a termination, wherein the openings extend along the axial direction to the conclusion, wherein the wall portion is formed by a plurality of hook elements, which in the circumferential direction through the Openings are spaced from each other.
  • the friction clutch comprises at least:
  • an outer plate carrier which is connected in a torque-locking manner to at least one outer plate
  • an inner plate carrier which is connected in a torque-locking manner to at least one inner plate
  • a plate spring having a first end face and a second end face, which is actuated via an actuating device for forming and releasing a frictional connection between the at least one outer fin and the at least one inner fin, wherein the blades are actuated via the first end face of the disc spring;
  • the plate spring has for connecting the slats in a radial direction on the outside a first force edge and is operable via in the radial direction inwardly arranged plate spring tongue ends via the actuating device.
  • the plate spring is fixed in the radial direction between the force edge and the plate spring tongue ends with respect to an axial direction by a disc spring bearing.
  • the diaphragm spring bearing is formed on the second end face by the support spring.
  • the support spring (only) can be prestressed by means of a threaded nut, wherein the threaded nut can be screwed onto one end of the output shaft.
  • the method comprises at least the following steps:
  • the disassembly of the friction clutch or the changing of the slats takes place by loosening the threaded nut. With the threaded nut, the support spring (and if present the support ring) and then the diaphragm spring are removed, so that the slats are accessible.
  • Fig. 1 is a perspective view of a known friction clutch assembly in section
  • Fig. 2 a side view of a friction clutch assembly with dismantled
  • FIG. 3 is a side view of a friction clutch assembly with mounted
  • FIG. 4 shows a perspective view of a support ring
  • Fig. 5 perspective view of a support spring.
  • Fig. 1 shows a perspective view of a known friction clutch assembly 1 in section.
  • the friction clutch assembly 1 comprises a drive shaft 2 and an output shaft 3 and a friction clutch 4.
  • the friction clutch 4 comprises an outer plate carrier 6, which is torque-locked to the drive shaft 2 and a plurality of outer plates 7, an inner plate carrier 8, with the Output shaft 3 and a plurality of inner fins 9 is torsionally connected, a plate spring 10 having a first end face 1 1 and a second end face 12, via an actuator 32 for forming and releasing a frictional connection between the outer fins 7 and the inner fins 9 is actuated or actuated, wherein the slats 7, 9 are actuated via the first end face 1 1 of the plate spring 10 and are actuated and a support spring 13.
  • the plate spring 10 has for connecting the slats 7, 8 in a radial direction fourteenth outside a first force border 15 and is over in the radial direction 14 arranged inside plate spring tongue ends 16 via the actuator 32 operable.
  • the plate spring 10 is fixed in the radial direction 14 between the first force edge 15 and the plate spring tongue ends 16 with respect to an axial direction 17 by a disc spring bearing 18.
  • the disc spring bearing 18 of the plate spring 10 is realized via a support plate 37.
  • the support disk 37 is connected via a bayonet lock 38 with the inner disk carrier 8 of the friction clutch 4. For an exchange of the fins 7, 9 of the friction clutch 4, a release of the support plate 37 is necessary.
  • the bayonet lock 38 is solvable only with a special tool.
  • Fig. 2 shows a side view of a friction clutch assembly 1 with threaded nut 19 removed.
  • Fig. 3 shows a side view of a friction clutch assembly 1 with threaded nut 19 mounted. Figs. 2 and 3 will be described together below.
  • the friction clutch assembly 1 comprises a drive shaft 2 and an output shaft 3 and a friction clutch 4.
  • the friction clutch 4 comprises an outer plate carrier 6, which is torque-locked to the drive shaft 2 and a plurality of outer plates 7, an inner plate carrier 8, with the Output shaft 3 and a plurality of inner plates 9 is torque-connected, a plate spring 10 having a first end face 1 1 and a second end face 12, via an actuating device 32nd for forming and releasing a frictional connection between the outer plates 7 and the inner plates 9 is actuated, wherein the blades 7, 9 on the first end face 1 1 of the plate spring 10 are actuated and a support spring 13.
  • the plate spring 10 has to connect the slats 7, 8 in a radial direction 14 outside a first force edge 15 and is operable via in the radial direction 14 internally disposed plate spring tongue ends 16 via the actuator 32.
  • the plate spring 10 is fixed in the radial direction 14 between the first force edge 15 and the plate spring tongue ends 16 with respect to an axial direction 17 by a disc spring bearing 18.
  • the diaphragm spring bearing 18 is formed on the second end face 12 by the support spring 13.
  • the support spring 13 is biased by a threaded nut 19, wherein the threaded nut 19 is screwed onto one end 20 of the output shaft 3 and is screwed.
  • the disc spring bearing 18 is formed on one side of the plate spring 10 by a support spring 13.
  • the support spring 13 has a spring stiffness and is biased by the threaded nut 19.
  • the spring stiffness and elasticity of the support spring 13 make it possible that tolerances of the individual parts of the friction clutch assembly 1 lower demands can be made.
  • a threaded nut 19 can be fixed with conventional tools and released again. The use of special tools is therefore not required.
  • the inner plate carrier 8 is connected via a hub part 35 with the output shaft 3 torque-locking.
  • the output shaft 3 extends from a drive side 36 of the friction clutch assembly 1 along the axial direction 17 through the hub portion 35 therethrough, where it is connectable to the threaded nut 19.
  • the support spring 13 is arranged centered by the inner plate carrier 8 with respect to the axis of rotation 4.
  • the support spring 13 is supported relative to the axial direction 17 on a stop 21 of a support ring 22, wherein the support ring 22 is fixed by the threaded nut 19 on the output shaft 3.
  • the support ring 22 is centered by the support spring 13 with respect to the rotation axis 4 (in the radial direction 14).
  • An actuating bearing 23 of the actuating device 32 is arranged centered by the support ring 22 with respect to the axis of rotation 4. About the actuating bearing 23, a rotational movement of the individual parts of the friction clutch assembly 1 is decoupled from the actuator 32.
  • the plate spring tongue ends 16 are moved along the axial direction 17, so that the first force edge 15 either an actuating force on the slats 7, 9 transmits and thus the slats 7, 9 positively connects with each other or the first force edge 15 of the slats , 9 is moved away, so that a frictional connection of the slats 7, 9 is released.
  • the support spring 13 is annular and extends, starting from the diaphragm spring bearing 18 with a spring portion 24 along the axial direction 17 and subsequent to the spring portion 24 with a second force edge 25 along the radial direction 14 toward an inner peripheral surface 26, wherein the support spring 13 on the inner peripheral surface 26 has a plurality of centering tongues 27 which extend along the radial direction 14 through openings 28 of the support ring 22, wherein the support spring 13 is supported on the centering tongues 27 on the stop 21 of the support ring 22.
  • the support spring 13 is centered over the spring portion 24 on the inner plate carrier 8 with respect to the axis of rotation 4.
  • the support ring 22 has an annular base body 29, via which the support ring 22 with the threaded nut 19 on the output shaft 3 is fastened or secured, wherein the support ring 22 extends from the base body 29 along the axial direction 4 with a wall portion 30 ; wherein the wall portion 30 has a plurality of openings 28 and forms the stop 21.
  • the main body 29 can be clamped over the threaded nut 19 between the end 20 of the output shaft 3 and the threaded nut 19.
  • step a) comprises providing a drive shaft 2 and an output shaft 3.
  • step b) comprises providing the friction clutch 5 described above.
  • step c) comprises arranging the friction clutch 5 at the Drive shaft 2 and the output shaft 3rd step d) includes fixing the plate spring 10 and biasing the support spring 13 by attaching the threaded nut 19 to the output shaft.
  • FIGS. 4 shows a perspective view of a support ring 22.
  • the support ring 22 has an annular base body 29, via which the support ring 22 with the threaded nut 19 on the output shaft 3 is fastened or fixed (see FIGS. 2 and 3), wherein extending the support ring 22, starting from the base body 29 along the axial direction 4 with a wall portion 30; wherein the wall portion 30 has a plurality of openings 28 and forms the stop 21.
  • the main body 29 can be clamped over the threaded nut 19 between the end 20 of the output shaft 3 and the threaded nut 19.
  • the wall portion 30 extends from the base body 29 along the axial direction 17 to a termination 31, the openings 28 extending along the axial direction 17 to the termination 31, the wall portion 30 being formed by a plurality of hook elements 33 is, which are arranged spaced apart in the circumferential direction 34 through the openings 28.
  • Fig. 5 shows a perspective view of a support spring 13.
  • the support spring 13 is annular and extends from the diaphragm spring bearing 18 with a spring portion 24 along the axial direction 17.
  • the spring portion 24 is formed by a plurality of spring tongues in the circumferential direction 34 are arranged evenly distributed.
  • the support spring 13 extends with a second force edge 25 along the radial direction 14 toward an inner peripheral surface 26, wherein the support spring 13 on the inner peripheral surface 26 has a plurality of centering tongues 27 extending along the radial direction 14 extend through openings 28 of the support ring 22, wherein the support spring 13 is supported via the centering tongues 27 on the stop 21 of the support ring 22.
  • the support spring 13 is centered on the inner disk carrier 8 with respect to the axis of rotation 4 via the spring portion 24 (see FIGS. 2 and 3).

Landscapes

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

Abstract

L'invention concerne un arrangement d'embrayage à friction pour un véhicule automobile, servant à la transmission d'un couple d'un arbre moteur à un arbre mené, lesquels possèdent un axe de rotation commun, comprenant au moins un arbre moteur et un arbre mené ainsi qu'un embrayage à friction, lequel comporte au moins un porte-lamelles extérieur qui est relié en transmission de couple avec l'arbre moteur et avec au moins une lamelle extérieure, un porte-lamelles intérieur qui est relié en transmission de couple avec l'arbre mené et avec au moins une lamelle intérieure, un ressort à disques ainsi qu'un ressort d'appui. Le ressort à disques, pour relier les lamelles, possède un premier bord de force à l'extérieur dans une direction radiale et peut être actionné par un dispositif d'actionnement par le biais des extrémités des languettes de ressort à disques disposées à l'intérieur dans le sens radial. Le ressort à disques est fixé dans le sens radial entre le bord de force et les extrémités des languettes de ressort à disques par rapport à une direction axiale par un logement de ressort à disques. Le logement de ressort à disques est au moins formé par le ressort d'appui et le ressort d'appui est précontraint par un écrou fileté.
EP18714429.0A 2017-04-13 2018-03-13 Arrangement d'embrayage à friction pour un véhicule automobile Withdrawn EP3610165A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017107986.6A DE102017107986A1 (de) 2017-04-13 2017-04-13 Reibungskupplungsanordnung für ein Kraftfahrzeug
PCT/DE2018/100223 WO2018188685A1 (fr) 2017-04-13 2018-03-13 Arrangement d'embrayage à friction pour un véhicule automobile

Publications (1)

Publication Number Publication Date
EP3610165A1 true EP3610165A1 (fr) 2020-02-19

Family

ID=61832229

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18714429.0A Withdrawn EP3610165A1 (fr) 2017-04-13 2018-03-13 Arrangement d'embrayage à friction pour un véhicule automobile

Country Status (3)

Country Link
EP (1) EP3610165A1 (fr)
DE (2) DE102017107986A1 (fr)
WO (1) WO2018188685A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103620251B (zh) 2011-06-30 2017-03-01 舍弗勒技术股份两合公司 用于摩托车的湿式离合器
DE102015200925A1 (de) * 2015-01-21 2016-07-21 Schaeffler Technologies AG & Co. KG Deckelanordnung für eine Reibungskupplung und Verfahren zur Betätigung einer Reibungskupplung
DE102015219734B3 (de) * 2015-10-12 2017-02-02 Schaeffler Technologies AG & Co. KG Deckelanordnung für eine Reibungskupplung und Kraftfahrzeug

Also Published As

Publication number Publication date
WO2018188685A1 (fr) 2018-10-18
DE112018001978A5 (de) 2019-12-19
DE102017107986A1 (de) 2018-10-18

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