WO2007010686A1 - Dispositif d’embrayage centrifuge - Google Patents

Dispositif d’embrayage centrifuge Download PDF

Info

Publication number
WO2007010686A1
WO2007010686A1 PCT/JP2006/311785 JP2006311785W WO2007010686A1 WO 2007010686 A1 WO2007010686 A1 WO 2007010686A1 JP 2006311785 W JP2006311785 W JP 2006311785W WO 2007010686 A1 WO2007010686 A1 WO 2007010686A1
Authority
WO
WIPO (PCT)
Prior art keywords
clutch
centrifugal
centrifugal clutch
carrier
boss
Prior art date
Application number
PCT/JP2006/311785
Other languages
English (en)
Japanese (ja)
Inventor
Yoshio Imanishi
Hitoshi Terabayashi
Original Assignee
Exedy Corporation
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 Exedy Corporation filed Critical Exedy Corporation
Priority to CN2006800263142A priority Critical patent/CN101223377B/zh
Publication of WO2007010686A1 publication Critical patent/WO2007010686A1/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
    • F16D43/00—Automatic clutches
    • F16D43/02—Automatic clutches actuated entirely mechanically
    • F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
    • F16D43/14—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
    • F16D43/18—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members with friction clutching members
    • 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
    • F16D43/00—Automatic clutches
    • F16D43/02—Automatic clutches actuated entirely mechanically
    • F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
    • F16D43/14—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
    • F16D2043/145—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members the centrifugal masses being pivoting
    • 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
    • F16D2300/00—Special features for couplings or clutches
    • F16D2300/06—Lubrication details not provided for in group F16D13/74
    • 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
    • F16D2300/00—Special features for couplings or clutches
    • F16D2300/22—Vibration damping

Definitions

  • the present invention relates to a centrifugal clutch device, and more particularly to a centrifugal clutch device that is provided on an input shaft to which power from an engine is input, and that cuts off transmission of power between the input shaft and a transmission. To do.
  • Centrifugal clutch devices are used for small motorcycles and the like, and include a clutch carrier, a centrifugal clutch portion disposed in the vicinity of the clutch carrier, and a clutch housing including the centrifugal clutch portion therein. Yes. When the rotational speed of the centrifugal clutch section increases, the centrifugal clutch section becomes clutch-on (power transmission state). In this state, power from the engine is transmitted to the clutch carrier and further transmitted to the clutch housing via the centrifugal clutch.
  • a lubricating oil supply mechanism is provided for supplying a lubricant to the friction material of the centrifugal clutch portion.
  • Patent Document 1 JP-A-2005-69414
  • the lubricating oil supply mechanism has a lubricant supply path and a lubricant supply hole. Specifically, a lubricant supply path is provided inside the clutch cover, and the lubricant is supplied from this lubricant supply path to the centrifugal clutch portion through a lubricant supply hole provided in the clutch inner plate. .
  • a centrifugal clutch device is a device that is provided on an input shaft to which power from an engine is input, and that interrupts transmission of power between the input shaft and the transmission.
  • the clutch box is connected to the input shaft.
  • the clutch carrier is provided in contact with the first side surface of the clutch boss, and is provided on the input shaft.
  • the centrifugal clutch portion is disposed on the outer peripheral side of the clutch boss and is supported by the clutch carrier so as to be movable in the radial direction.
  • the clutch housing is fixed to a member on the transmission side, and a centrifugal clutch portion is disposed on the inner peripheral side, and power is transmitted from the clutch carrier by the centrifugal clutch portion.
  • the clutch boss has a supply path for supplying lubricant to the centrifugal clutch part.
  • centrifugal clutch device when the rotational speed of the input shaft provided with the centrifugal clutch portion increases, the centrifugal clutch portion enters a clutch-on state (power transmission state). In this state, power from the engine is transmitted in the order of the input shaft, clutch carrier, centrifugal clutch, clutch housing, and transmission. At this time, the lubricant is directly supplied to the centrifugal clutch portion by rotation (centrifugal force) from a supply path provided in the clutch boss.
  • the lubricant is directly supplied to the clutch portion from a lubricant supply path provided in the clutch boss portion. For this reason, the supply efficiency of the lubricant is improved, the lubricant can be stably supplied to the centrifugal clutch portion, and the wear of the friction material can be reduced.
  • a centrifugal clutch device is the centrifugal clutch device according to claim 1, wherein the clutch housing has a discharge hole for discharging the lubricant.
  • the centrifugal clutch device is the centrifugal clutch device according to claim 1, wherein the clutch portion is formed in an arc shape, one end is supported by the clutch carrier, and the other end is a fulcrum. And a clutch weight disposed on the outer periphery of the clutch weight and pressed against the inner peripheral surface of the clutch housing by the rotation of the clutch weight.
  • centrifugal clutch device when power from the engine is transmitted and the clutch carrier rotates, centrifugal force is generated in the clutch weight, and the other end side of the clutch weight It moves to the outer peripheral side with one end supported by the carrier as a fulcrum. As a result, the clutch shoe disposed on the outer peripheral side of the clutch weight comes into contact with the inner peripheral side of the clutch housing. By this movement, the centrifugal clutch portion and the clutch housing are frictionally engaged, and power is transmitted from the clutch carrier to the clutch housing via the centrifugal clutch portion.
  • the centrifugal clutch device according to claim 4 is the centrifugal clutch device according to claim 1, wherein the centrifugal clutch portion provides a resistance force when the clutch weight rotates. have.
  • FIG. 1 is a cross-sectional view of an embodiment of the present invention.
  • FIG. 2 is a plan view of the centrifugal clutch device of the present invention.
  • FIG. 1 shows a cross-sectional view of a centrifugal clutch device 1 according to an embodiment of the present invention.
  • the centrifugal clutch device 1 according to the embodiment is provided on an input shaft 2 connected to an engine, and performs power transmission and interruption between the input shaft 2 and a transmission-side member 75.
  • the centrifugal clutch device 1 includes a clutch boss 3, a clutch carrier 4, a centrifugal clutch unit 5, a clutch housing 6, a first hysteresis generating mechanism 7, and a second hysteresis generating mechanism 70.
  • the following description will be made with the right side of FIG. 1 as the axially outer side and the left side of FIG. 1 as the axially inner side.
  • the clutch boss 3 is an annular member, and a spline 11 is formed on the inner peripheral surface.
  • the spline 11 is engaged with a spline formed on the outer periphery of the input shaft 2.
  • a second lubricant supply passage 10 is formed on one side of the clutch boss 3, that is, on the clutch carrier 4 side, penetrating from the inner peripheral side to the outer peripheral side.
  • the second lubricant supply path 10 is a path for supplying the lubricant in the first lubricant supply path 9 provided inside the input shaft 2 to the centrifugal clutch section 5, and is provided from the input shaft 2 side to the centrifugal clutch. It is a groove formed on a straight line between the parts 5 side by forging or machining.
  • the clutch carrier 4 is a plate-like member, and is arranged such that the inner peripheral portion is in contact with the axially outer end surface of the clutch boss 3.
  • the clutch carrier 4 includes a first disc portion 14 that contacts the end surface of the clutch boss 3, a cylindrical portion 13 formed on the outer peripheral side of the first disc portion 14, and a first disc on the outer peripheral side of the cylindrical portion 13. And a second disc portion 15 disposed on the outer side in the axial direction than the disc portion 14.
  • the first disc portion 14 has a spline formed on the inner peripheral side, and this spline is engaged with the input shaft 2.
  • the centrifugal clutch portion 5 is a portion arranged on the outer peripheral side of the clutch boss 3, and includes three clutch weights 30 formed in an arcuate shape, and outer peripheries of the clutch weights 30.
  • a clutch shoe 31 fixed to the side, a support member 20 that supports one end of each clutch weight 30, and a coil spring 35 that connects the two clutch weights 30 that contact P
  • the clutch weight 30 is supported by the clutch carrier 4 via a support member 20 at one end in the circumferential direction. Then, when the clutch weight 30 rotates around the support member 20, the other end moves to the outer peripheral side and contacts the inner peripheral side wall surface of the clutch housing 6.
  • the clutch shoe 31 is formed by the clutch weight 30 rotating around the support member 20. Then, it is pressed toward the inner peripheral side of the clutch housing 6. A plurality of circumferentially extending second grooves 34 are formed on the outer peripheral side of the clutch shoe 31.
  • Each of the three support members 20 is disposed on the outer peripheral side of the clutch carrier 4 and includes a caulking portion 21, a plate portion 22, and a column portion 23.
  • the crimping portion 21 is a portion formed by plastically deforming the axially outer end portion of the support member 20, and the support member 20 is fixed to the clutch carrier 4 by the caulking portion 21.
  • the plate portion 22 is a disk-like member having a thickness greater than that of the force-applying portion 21 and is disposed in contact with the side surface on the inner side in the axial direction of the second disc portion 15.
  • the column portion 23 is a portion that supports one end of the clutch weight 30 and is a cylindrical member.
  • the coil spring 35 is a member that connects two adjacent clutch weights 30 and is provided to bias the clutch weight 30 toward the inner peripheral side.
  • One end of the coil spring 35 is locked to one base end side (the side supported by the support member 20) of the two clutch weights 30 in contact with P, and the other end is the other of the two clutch weights 30. It is locked to the front end side. With such a configuration, when centrifugal force is not applied to the clutch weight 30, the front end side of the clutch weight 30 is biased toward the inner peripheral side by the coil spring 35, and the clutch bush 31 is separated from the clutch housing. Les.
  • the clutch housing 6 is a member that is fixed to the transmission-side member 75 and that the centrifugal clutch portion 5 is pressed against the inner peripheral surface.
  • the clutch housing 6 has a disc-like portion 40 and a tubular portion 41.
  • a transmission-side member 75 is fixed to the inner peripheral portion of the disc-like portion 40.
  • the cylindrical portion 41 is formed so as to extend from the outer peripheral side of the disc-like portion 40 to the axially outer side to the position of the clutch carrier 4.
  • the centrifugal clutch portion 5 is disposed on the inner peripheral side of the cylindrical portion 41.
  • four holes 42 are formed at equiangular intervals in the circumferential direction at the boundary between the disc-like portion 40 and the tubular portion 41. The hole 42 is for releasing the lubricant supplied from the second lubricant supply passage 10 to the centrifugal clutch portion to the outside of the clutch housing 6.
  • the first hysteresis generating mechanism 7 is a mechanism for applying a sliding resistance to the clutch weight 30 when the clutch weight 30 rotates, and is disposed in the clutch housing 6.
  • the first hysteresis generating mechanism 7 includes three protrusions 50 arranged on the clutch carrier 4, an elastic member 51 mounted on each protrusion 50, and a first groove 33 provided on the clutch weight 30.
  • Have The three protruding portions 50 protrude inward in the axial direction at the second disc portion 15 of the clutch carrier 4 and are provided at intervals of 120 degrees.
  • the elastic member 51 is formed in an annular shape and is attached to the protrusion 50.
  • the elastic member 51 is fitted in a first groove 33 provided in the clutch weight 30 (see FIG. 2).
  • the first groove 33 is formed on the axially outer side surface of the clutch weight 30 so as to open to the inner peripheral side. Since the width of the first groove 33 is shorter than the diameter of the elastic member 51, the elastic member 51 is inserted into the first groove 33 in an elastically deformed state.
  • the second hysteresis generating mechanism 70 includes a friction material 24 mounted on the outer side in the axial direction of the clutch weight 30, a wave spring 25 disposed on the inner side in the axial direction of the clutch weight 30, and a coil spring 25. And a stopper plate 60 disposed on the inner side in the axial direction.
  • the friction member 24 is an annular member disposed between the clutch weight 30 and the plate portion 22 of the support member 20 and is a member for generating hysteresis.
  • the wave spring 25 is a member obtained by deforming an annular plate member into a wave shape, and is a member that biases the clutch weight 30 toward the friction material 24 side.
  • the wave spring 25 is elastically deformed into a flat plate shape and is attached to the inside of the clutch weight 30 in the axial direction.
  • the stopper plate 60 is an annular plate member having a plurality of protrusions on the inner periphery, and the protrusions engage with the grooves 65 of the support member 20 to elastically deform the wave spring 25.
  • the lubricant supplied through the first lubricant supply path 9 of the input shaft 2 passes through the second lubricant supply path 10 of the clutch boss 3 and is centrifuged in the clutch housing 6. Directly supplied to the clutch unit 5. Then, the lubricant supplied to the centrifugal clutch portion 5 is discharged to the outside through the four holes 42 provided in the clutch housing 6 or between the clutch carrier 4 and the clutch housing 6. Since the lubricant is directly supplied to the centrifugal clutch portion 5 in this way, the lubricant is stably supplied to the centrifugal clutch portion 5 and the wear of the clutch shoe 31 can be reduced.
  • the clutch weight 30 having one member is used, but the present invention can be implemented even if a plurality of plate-like member forces are configured.
  • wear of the friction material of the centrifugal clutch can be reduced.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

La présente invention concerne un dispositif d’embrayage centrifuge monté sur un arbre d’entraînement auquel est transmise la puissance provenant d’un moteur et pouvant transmettre et arrêter la puissance entre l’arbre d’entraînement et une boîte de vitesses. Le dispositif d’embrayage comprend un bossage d’embrayage (3), un support d’embrayage (4), une partie d’embrayage centrifuge (5), et un carter d’embrayage (6). Le bossage d’embrayage (3) est raccordé à un arbre d’entrée (2). Le support d’embrayage (4) est monté sur l’arbre d’entrée (2) en contact avec la première surface latérale du bossage d’embrayage (3). La partie d’embrayage centrifuge (5) est installée sur le côté périphérique externe du bossage d’embrayage (3) et radialement monté mobile sur le support d’embrayage (4). Le carter d’embrayage (6) est fixé à un élément (75) sur le côté de la boîte de vitesses, la partie d’embrayage centrifuge (5) est installée sur le côté périphérique intérieur du carter d’embrayage, et la puissance est transmise depuis le support d’embrayage (4) par la partie d’embrayage centrifuge (5). Le bossage d’embrayage (3) comprend alors un second canal d’alimentation en lubrifiant (10) pour distribuer un lubrifiant vers la partie d’embrayage centrifuge (5).
PCT/JP2006/311785 2005-07-20 2006-06-13 Dispositif d’embrayage centrifuge WO2007010686A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2006800263142A CN101223377B (zh) 2005-07-20 2006-06-13 离心式离合装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005-209993 2005-07-20
JP2005209993A JP4054818B2 (ja) 2005-07-20 2005-07-20 遠心式クラッチ装置

Publications (1)

Publication Number Publication Date
WO2007010686A1 true WO2007010686A1 (fr) 2007-01-25

Family

ID=37668571

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2006/311785 WO2007010686A1 (fr) 2005-07-20 2006-06-13 Dispositif d’embrayage centrifuge

Country Status (3)

Country Link
JP (1) JP4054818B2 (fr)
CN (1) CN101223377B (fr)
WO (1) WO2007010686A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI392622B (zh) * 2008-05-26 2013-04-11 Shimano Kk 用於一自行車撥鏈器之運動阻抗裝置
EP3795852A4 (fr) * 2018-05-18 2022-01-19 Kabushiki Kaisha F.C.C. Embrayage centrifuge

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI527981B (zh) * 2009-05-14 2016-04-01 馬來西亞國家石油公司 傳輸系統
JP4932934B2 (ja) * 2010-10-19 2012-05-16 株式会社エクセディ 流体式動力伝達装置のロックアップ装置
JP5758687B2 (ja) * 2011-04-26 2015-08-05 株式会社エフ・シー・シー 遠心クラッチ装置
CN103375509A (zh) * 2012-04-16 2013-10-30 蒋璋璋 一种高效自动离合器
JP6926853B2 (ja) * 2017-09-06 2021-08-25 株式会社ジェイテクト 駆動力伝達制御装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6131731A (ja) * 1984-07-20 1986-02-14 N S K Warner Kk 速度応答型遠心クラツチ
JPS62104033U (fr) * 1985-12-23 1987-07-02
JPH01174635U (fr) * 1988-05-31 1989-12-12
JPH01174645U (fr) * 1988-05-31 1989-12-12
JPH0393626U (fr) * 1990-01-11 1991-09-25
JPH0418724U (fr) * 1990-06-05 1992-02-17
JP2005069414A (ja) * 2003-08-26 2005-03-17 Honda Motor Co Ltd 内燃機関の遠心式クラッチにおける給油装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3552534A (en) * 1968-08-23 1971-01-05 Gen Motors Corp Wet clutch oil slinger
JP4588195B2 (ja) * 2000-11-06 2010-11-24 本田技研工業株式会社 小型車両の動力伝達装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6131731A (ja) * 1984-07-20 1986-02-14 N S K Warner Kk 速度応答型遠心クラツチ
JPS62104033U (fr) * 1985-12-23 1987-07-02
JPH01174635U (fr) * 1988-05-31 1989-12-12
JPH01174645U (fr) * 1988-05-31 1989-12-12
JPH0393626U (fr) * 1990-01-11 1991-09-25
JPH0418724U (fr) * 1990-06-05 1992-02-17
JP2005069414A (ja) * 2003-08-26 2005-03-17 Honda Motor Co Ltd 内燃機関の遠心式クラッチにおける給油装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI392622B (zh) * 2008-05-26 2013-04-11 Shimano Kk 用於一自行車撥鏈器之運動阻抗裝置
EP3795852A4 (fr) * 2018-05-18 2022-01-19 Kabushiki Kaisha F.C.C. Embrayage centrifuge
US11415187B2 (en) 2018-05-18 2022-08-16 Kabushiki Kaisha F.C.C. Centrifugal clutch

Also Published As

Publication number Publication date
JP2007024254A (ja) 2007-02-01
CN101223377B (zh) 2010-10-06
CN101223377A (zh) 2008-07-16
JP4054818B2 (ja) 2008-03-05

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