WO2018061626A1 - Dispositif d'embrayage de motocyclette - Google Patents

Dispositif d'embrayage de motocyclette Download PDF

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Publication number
WO2018061626A1
WO2018061626A1 PCT/JP2017/031713 JP2017031713W WO2018061626A1 WO 2018061626 A1 WO2018061626 A1 WO 2018061626A1 JP 2017031713 W JP2017031713 W JP 2017031713W WO 2018061626 A1 WO2018061626 A1 WO 2018061626A1
Authority
WO
WIPO (PCT)
Prior art keywords
clutch
pressure receiving
axial direction
receiving surface
output member
Prior art date
Application number
PCT/JP2017/031713
Other languages
English (en)
Japanese (ja)
Inventor
未紗樹 美濃羽
亮一 今井
Original Assignee
株式会社エクセディ
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 株式会社エクセディ filed Critical 株式会社エクセディ
Publication of WO2018061626A1 publication Critical patent/WO2018061626A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F16D13/22—Friction clutches with axially-movable clutching members
    • F16D13/24—Friction clutches with axially-movable clutching members with conical friction surfaces cone clutches
    • F16D13/32—Friction clutches with axially-movable clutching members with conical friction surfaces cone clutches in which two or more axially-movable members are pressed from one side towards an axially-located member
    • 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
    • F16D13/22—Friction clutches with axially-movable clutching members
    • F16D13/38—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs
    • F16D13/52—Clutches with multiple lamellae ; Clutches in which three or more axially moveable members are fixed alternately to the shafts to be coupled and are pressed from one side towards an axially-located member
    • 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
    • F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
    • F16D23/14—Clutch-actuating sleeves or bearings; Actuating members directly connected to clutch-actuating sleeves or bearings

Definitions

  • the present invention relates to a motorcycle clutch device, and more particularly to a motorcycle clutch device that transmits power from a motorcycle power source to a transmission-side member and interrupts power transmission by operating a release mechanism.
  • a clutch device is used to transmit or cut off torque from a power source such as an engine to a transmission.
  • the clutch device has a clutch housing, a rotating body, and a clutch part.
  • the clutch housing is connected to the crankshaft side of the engine, and the rotating body is connected to the transmission side.
  • a clutch part transmits or interrupts
  • the clutch portion has a plurality of drive plates and a plurality of driven plates in order to improve the frictional force.
  • the conventional motorcycle clutch device improves the frictional force by increasing the drive plate and the driven plate.
  • increasing the drive plate and the driven plate causes an increase in cost.
  • An object of the present invention is to reduce the cost of the clutch device.
  • a motorcycle clutch device is a device that transmits power from a motorcycle power source to a member on the transmission side and interrupts power transmission by operating a release mechanism.
  • the motorcycle clutch device includes a clutch housing, an output member, a first cone clutch, and a second cone clutch. Power is input to the clutch housing.
  • the output member is connected to the transmission side member.
  • the first cone clutch has a tapered first pressure receiving surface and a first friction surface pressed against the first pressure receiving surface, and transmits and interrupts power between the clutch housing and the output member.
  • the second cone clutch has a tapered second pressure receiving surface and a second friction surface pressed against the second pressure receiving surface, and is arranged side by side with the first cone clutch in the axial direction. The second cone clutch transmits and shuts off power between the clutch housing and the output member together with the first cone clutch.
  • the pressure receiving surfaces and the friction surfaces of the first and second cone clutches are pressed, and power is transmitted from the clutch housing to the output member.
  • the cone clutch in order to secure a sufficient torque capacity with one friction surface, it is necessary to reduce the taper angles of the pressure receiving surface and the friction surface. However, if the taper angle is too small, the wedge force becomes excessive, the friction surface sticks to the pressure receiving surface, and the clutch is difficult to disconnect.
  • the output member and the first and second cone clutches are accommodated in the inner peripheral portion of the clutch housing.
  • the first and second pressure receiving surfaces are provided on the inner peripheral side of the clutch housing, and the first and second friction surfaces are provided on the outer peripheral portion of the output member.
  • the entire apparatus can be made compact.
  • the first and second cone clutches rotate together with the clutch housing and have clutch shoes having first and second pressure receiving surfaces on the inner peripheral surface.
  • the clutch shoe is provided, it is possible to cope with a wide range of specifications by changing the specifications of each pressure receiving surface of the clutch shoe.
  • the clutch housing has a disk part and a cylindrical part formed extending in the axial direction from the outer peripheral part of the disk part and having a housing side engaging part.
  • the clutch shoe has a shoe side engaging portion that engages with the housing side engaging portion on the outer peripheral portion.
  • the clutch housing and the clutch shoe are formed as separate bodies and connected via respective engaging portions. For this reason, manufacture of each member becomes easy.
  • the output member has a first output member and a second output member.
  • the first output member has a first friction portion provided with a first friction surface pressed against the first pressure receiving surface on the outer peripheral portion.
  • the second output member has a second friction portion provided with a second friction surface pressed against the second pressure receiving surface on the outer peripheral portion, and is movable in the axial direction and rotatable in synchronization with the first output member. It is.
  • friction portions constituting two cone clutches are formed on the outer peripheral portions of the first and second output members. This simplifies the configuration.
  • the output member has a hub connected to the transmission side member.
  • the second output member is disposed so as not to rotate relative to the hub and to be movable in the axial direction.
  • the clutch control unit for controlling on and off of the first and second cone clutches.
  • the clutch control unit includes an urging member and a release member.
  • the biasing member biases the first output member toward the first side in the axial direction and presses the first friction surface against the first pressure receiving surface.
  • the release member supports the urging member and urges the second output member toward the second side in the axial direction by the urging force of the urging member to press the second friction surface against the second pressure receiving surface.
  • the first output member and the second output member are biased by the biasing member so as to be attracted to each other. For this reason, the urging force does not act on other members, and a special member for receiving the urging force becomes unnecessary.
  • the release member is movable in the axial direction by a release mechanism.
  • the first and second cone clutches are clutched off.
  • the first pressure receiving surface and the first friction surface are tapered so that the diameter decreases toward the first side in the axial direction.
  • the second pressure receiving surface and the second friction surface are tapered so that the diameter decreases toward the second side in the axial direction.
  • the space occupied by the first and second cone clutches in the axial direction can be made compact.
  • the cost of the clutch device can be reduced. Further, in the present invention, since the two friction surfaces are provided by the two cone clutches, the necessary torque capacity can be ensured without increasing the pressing load, that is, without increasing the release operation load. it can.
  • FIG. 1 is a cross-sectional view of a motorcycle clutch device according to an embodiment of the present invention.
  • FIG. 2 is a partial front view of the apparatus of FIG. 1.
  • FIG. 2 is a partial cross-sectional view of the apparatus of FIG.
  • FIG. 2 is a partial cross-sectional view of the apparatus of FIG.
  • FIG. 1 is a cross-sectional view of a motorcycle clutch device
  • FIG. 2 is a partial front view of the motorcycle clutch device.
  • axial direction indicates the left-right direction in FIG. 1
  • axially inner first side
  • second side indicates the left side of FIG. 1
  • axially outer second side
  • the motorcycle clutch device transmits power from the crankshaft of the engine to a transmission and interrupts power transmission by operating a release mechanism.
  • the clutch device includes a clutch housing 1, a clutch shoe 2, an output member 3, and a clutch control unit 4.
  • the clutch housing 1 has a disc portion 6 and a cylindrical portion 7 and is connected to an input gear 8.
  • the input gear 8 meshes with a drive gear (not shown) fixed to the crankshaft on the engine side, and power is input from the engine.
  • a hole 6a into which a transmission shaft is inserted is formed in the center portion. Further, a plurality of protrusions 6b protruding inward in the axial direction are formed at a predetermined interval in the circumferential direction at the radial intermediate portion of the disk portion 6. An elastic member 10 is mounted around the protrusion 6 b, and the protrusion 6 b and the elastic member 10 are inserted into a hole 8 a formed in the input gear 8.
  • a spring support portion 6 c is formed at the radial intermediate portion of the disc portion 6.
  • the spring 12 is supported by the spring support portion 6 c and the support plate 11 fixed to the side surface of the input gear 8.
  • the spring 12 elastically connects the clutch housing 1 and the input gear 8 in the rotational direction.
  • the support plate 11 is fixed to the tip of the protrusion 6b of the clutch housing 1 by a bolt 13 and a nut 14.
  • a disc spring 15 is disposed on the inner peripheral portion of the support plate 11 between the side surface of the input gear 8.
  • the cylindrical portion 7 is formed so as to extend outward from the outer peripheral edge of the disc portion 6 in the axial direction.
  • a plurality of notches 7a (housing side engaging portions) extending in the axial direction and opening outward in the axial direction are formed in the cylindrical portion 7 at predetermined intervals in the circumferential direction.
  • the clutch shoe 2 is an annular member and is disposed along the inner peripheral surface of the cylindrical portion 7 of the clutch housing 1. As shown in FIGS. 2 and 3, the clutch shoe 2 has a plurality of claws 2 a (shoe side engaging portions), a first pressure receiving surface 2 b, and a second pressure receiving surface 2 c.
  • the plurality of claws 2a are formed on the outer peripheral surface of the clutch shoe 2 so as to protrude further to the outer peripheral side.
  • the plurality of claws 2 a are arranged at a predetermined interval in the circumferential direction, and each claw 2 a is engaged with a notch 7 a formed in the cylindrical portion 7 of the clutch housing 1.
  • the clutch shoe 2 is movable in the axial direction with respect to the clutch housing 1 and is not rotatable.
  • the first pressure receiving surface 2b is formed in the outer half of the axial direction on the inner peripheral surface of the clutch shoe 2.
  • the first pressure receiving surface 2b is formed in a tapered shape whose diameter decreases from the axially outer end surface of the clutch shoe 2 toward the axially inner side.
  • the second pressure receiving surface 2c is formed in the inner half surface of the clutch shoe 2 in the half region on the inner side in the axial direction.
  • the second pressure receiving surface 2c is formed in a tapered shape whose diameter decreases from the axially inner end surface of the clutch shoe 2 toward the axially outer side.
  • the output member 3 is housed in the inner peripheral portion of the clutch housing 1, and includes a clutch center 21 (first output member), a pressure plate 22 (second output member), and a hub 23.
  • Each of the clutch center 21 and the pressure plate 22 is formed by processing an iron plate material into a sheet metal.
  • the clutch center 21 has a disc part 21 a and a friction part 21 b (first friction part).
  • a spline hole 21c is formed in the central portion of the disc portion 21a, and the spline engagement is possible with the transmission shaft.
  • four through holes 21d are formed at predetermined intervals in the circumferential direction in the radial direction intermediate portion of the disc portion 21a.
  • the friction part 21b is formed by bending the outer peripheral part of the disk part 21a outward in the axial direction.
  • the friction part 21b faces the first pressure receiving surface 2b of the clutch shoe 2, and is formed in a tapered shape having the same inclination as the first pressure receiving surface 2b.
  • An annular first friction material 25 is fixed to the outer peripheral surface of the friction portion 21b, and the surface of the first friction material 25 is a first friction surface 25a.
  • the pressure plate 22 is disposed on the inner side in the axial direction of the clutch center 21 so as to be opposed to the clutch center 21 and movable in the axial direction.
  • the pressure plate 22 has a disc part 22a and a friction part 22b (second friction part).
  • a spline hole 22c is formed at the center of the disc portion 22a.
  • four through holes 22d are formed at predetermined intervals in the circumferential direction in the inner peripheral portion of the disc portion 22a.
  • the friction portion 22b is formed by bending the outer peripheral portion of the disc portion 22a inward in the axial direction.
  • the friction part 22b faces the second pressure receiving surface 2c of the clutch shoe 2, and is formed in a tapered shape having the same inclination as the second pressure receiving surface 2c.
  • An annular second friction material 26 is fixed to the outer peripheral surface of the friction portion 22b, and the surface of the second friction material 26 is a second friction surface 26a.
  • the first and second friction materials 25 and 26 are made of the same material, and here, a friction material for a four-wheeled vehicle used for a passenger car or the like is used.
  • the hub 23 is an annular member, and is disposed on the inner peripheral portion of the pressure plate 22 so as to abut on the side surface on the inner side in the axial direction of the inner peripheral portion of the clutch center 21.
  • the spline hole 23a is formed in the inner peripheral part of the hub 23, and the spline shaft 23b is formed in the outer peripheral surface.
  • the spline hole 23a can be engaged with a transmission shaft.
  • the spline shaft 23 b is engaged with the spline hole 22 c of the pressure plate 22.
  • the spline hole 22c of the pressure plate 22 and the spline shaft 23b of the hub 23 mesh with each other so as to be slidable in the axial direction.
  • the clutch center 21 can be connected to the transmission shaft through the spline hole 21c, and the pressure plate 22 can be connected to the transmission shaft through the spline engagement with the hub 23. Therefore, the clutch center 21 and the pressure plate 22 rotate in synchronization.
  • a thrust plate 27 is disposed between the side surface of the hub 23 and the side surface of the inner peripheral portion of the clutch housing 1 as shown in FIG.
  • first cone clutches C1, C2 In the above configuration, the first cone is formed by the first pressure receiving surface 2b of the clutch shoe 2 and the first friction material 25 having the friction portion 21b and the first friction surface 25a formed on the outer peripheral portion of the clutch center 21.
  • a clutch C1 is configured.
  • a second cone clutch C2 is configured by the second pressure receiving surface 2c of the clutch shoe 2 and the second friction material 26 having the friction portion 22b and the second friction surface 26a formed on the outer peripheral portion of the pressure plate 22. ing.
  • the clutch control unit 4 is disposed outside the clutch center 21 in the axial direction, and includes a release member 30 and four coil springs 40 (biasing members).
  • the release member 30 is moved in the axial direction by a release mechanism (not shown).
  • the release member 30 has an annular main body 31 and four protrusions 32.
  • the annular main body 31 can be penetrated by a rod of a release mechanism or the like through an inner peripheral portion.
  • the protrusion 32 is formed integrally with the main body 31 and protrudes inward in the axial direction from the main body 31.
  • the protrusion 32 penetrates the through hole 21d of the clutch center 21 toward the pressure plate 22 side.
  • the protrusion 32 has a screw hole 32a having a predetermined depth at the tip end on the inner side in the axial direction.
  • the tip end surface of the protrusion 32 is in contact with the axially outer side surface of the pressure plate 22.
  • a bolt 34 extending outward in the axial direction from the side surface on the inner side in the axial direction of the pressure plate 22 through the through hole 22 d is screwed into the screw hole 32 a of the protrusion 32. Thereby, the release member 30 is fixed to the pressure plate 22.
  • the coil spring 40 is disposed so as to surround the outer periphery of the protrusion 32 of the release member 30 as shown in FIGS. That is, the protrusion 32 passes through the inner peripheral portion of the coil spring 40.
  • One end of the coil spring 40 is in contact with the main body 31 of the release member 30, and the other end is in contact with the clutch center 21.
  • the coil spring 40 is mounted between the release member 30 and the clutch center 21 in a compressed state in a neutral state where no release operation is performed. For this reason, the coil spring 40 urges the clutch center 21 in the axial direction and urges the pressure plate 22 in the axial direction.
  • the torque transmitted to the clutch center 21 as described above is transmitted to the transmission shaft through the spline hole 21c of the clutch center 21.
  • the torque transmitted to the pressure plate 22 is transmitted from the pressure plate 22 to the transmission shaft via the hub 23.
  • the release mechanism When the rider grips the clutch lever, the operating force is transmitted to the release mechanism via the clutch wire or the like. With this release mechanism, the release member 30 is moved inward in the axial direction against the urging force of the coil spring 40. When the release member 30 is moved inward in the axial direction, the pressure plate 22 fixed to the release member 30 also moves inward in the axial direction. For this reason, the pressing force of the pressure plate 22 on the clutch shoe 2 (second pressure receiving surface 2c) is released. Further, since the clutch center 21 is restricted from moving inward in the axial direction by the hub 23, when the pressing force of the pressure plate 22 on the clutch shoe 2 is released, the first pressure receiving surface 2b of the clutch shoe 2 and the first pressure receiving surface 2b are arranged. The pressing force between the first friction surface 25a is also released.
  • the first cone clutch C1 and the second cone clutch C2 are clutch-off (release of power transmission: cutoff). In this clutch-off state, rotation from the clutch housing 1 is not transmitted to the clutch center 21 and the pressure plate 22.
  • the first cone clutch C1 is configured using a part of the clutch center 21 and the second cone clutch C2 is configured using a part of the pressure plate 22.
  • the pressure plate and the cone clutch may be configured separately.
  • the clutch housing 1 and the clutch shoe 2 are configured separately.
  • the first and second pressure receiving surfaces are formed on a part of the clutch housing by devising the configuration of the clutch housing. Also good.
  • the first and second pressure receiving surfaces 2b and 2c are formed on one clutch shoe 2, but two clutch shoes may be provided, and the pressure receiving surfaces may be formed respectively.
  • the cost of the device can be reduced. Further, in the present invention, since the two friction surfaces are provided by the two cone clutches, the necessary torque capacity can be ensured without increasing the pressing load, that is, without increasing the release operation load. it can.

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

Abstract

La présente invention réduit le coût de dispositifs d'embrayage. Ce dispositif est équipé d'un logement d'embrayage (1), d'un organe de sortie (3), d'un premier embrayage à cône (C1) et d'un second embrayage à cône (C2). L'énergie est introduite dans le logement d'embrayage (1), et l'organe de sortie (3) est relié à un organe côté transmission. Le premier embrayage à cône (C1) est pourvu d'une première surface conique de réception de pression (2b) et d'une première surface de friction (25a) qui est comprimée contre la première surface de réception de pression (2b), et transmet l'énergie entre le boîtier d'embrayage (1) et l'organe de sortie (3). Le second embrayage à cône (C2) est pourvu d'une seconde surface conique de réception de pression (2c) et d'une seconde surface de friction (26a) qui est comprimée contre la seconde surface de réception de pression (2c), et est disposée en ligne avec le premier embrayage à cône (C1) dans la direction axiale. De plus, le second embrayage à cône (C2), conjointement avec le premier embrayage à cône (C1), transmet l'énergie entre le logement d'embrayage (1) et l'organe de sortie (3).
PCT/JP2017/031713 2016-09-30 2017-09-04 Dispositif d'embrayage de motocyclette WO2018061626A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016194184A JP2018054090A (ja) 2016-09-30 2016-09-30 モータサイクル用クラッチ装置
JP2016-194184 2016-09-30

Publications (1)

Publication Number Publication Date
WO2018061626A1 true WO2018061626A1 (fr) 2018-04-05

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PCT/JP2017/031713 WO2018061626A1 (fr) 2016-09-30 2017-09-04 Dispositif d'embrayage de motocyclette

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WO (1) WO2018061626A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111692221A (zh) * 2019-03-15 2020-09-22 株式会社艾科赛迪 力矩限制装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6110117A (ja) * 1984-06-22 1986-01-17 Iseki & Co Ltd コ−ン型二段クラツチ
JP2013185675A (ja) * 2012-03-09 2013-09-19 Exedy Corp モータサイクル用クラッチ装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6110117A (ja) * 1984-06-22 1986-01-17 Iseki & Co Ltd コ−ン型二段クラツチ
JP2013185675A (ja) * 2012-03-09 2013-09-19 Exedy Corp モータサイクル用クラッチ装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111692221A (zh) * 2019-03-15 2020-09-22 株式会社艾科赛迪 力矩限制装置
US11796010B2 (en) 2019-03-15 2023-10-24 Exedy Corporation Torque limiter device

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JP2018054090A (ja) 2018-04-05

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