WO2007010688A1 - Dispositif à embrayage centrifuge - Google Patents

Dispositif à embrayage centrifuge Download PDF

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Publication number
WO2007010688A1
WO2007010688A1 PCT/JP2006/311914 JP2006311914W WO2007010688A1 WO 2007010688 A1 WO2007010688 A1 WO 2007010688A1 JP 2006311914 W JP2006311914 W JP 2006311914W WO 2007010688 A1 WO2007010688 A1 WO 2007010688A1
Authority
WO
WIPO (PCT)
Prior art keywords
clutch
centrifugal
centrifugal clutch
weight
carrier
Prior art date
Application number
PCT/JP2006/311914
Other languages
English (en)
Japanese (ja)
Inventor
Hitoshi Terabayashi
Koji Yoneyama
Minoru Abe
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
Publication of WO2007010688A1 publication Critical patent/WO2007010688A1/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
    • 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

Definitions

  • the present invention relates to a centrifugal clutch device, and more particularly to a centrifugal clutch device that is provided on a drive shaft to which power from an engine is input and that cuts off transmission of power between the drive shaft and a transmission. To do.
  • a centrifugal clutch device includes a clutch carrier coupled to an input side shaft, a clutch housing coupled to an output side shaft, and a centrifugal clutch unit (see Patent Document 1).
  • the power of the input shaft is transmitted to the centrifugal clutch portion via the clutch carrier.
  • centrifugal force acts on the centrifugal clutch part, and the centrifugal clutch part moves to the outer peripheral side.
  • the centrifugal clutch portion moves, the centrifugal clutch portion and the clutch housing are frictionally engaged, the power of the centrifugal clutch portion is transmitted to the clutch housing, and the power is transmitted to the transmission side member.
  • Patent Document 1 JP-A-6-280901
  • An object of the present invention is to suppress abnormal noise and impact generated when a clutch is engaged.
  • a centrifugal clutch device is a centrifugal clutch device that performs transmission / cutoff of power from an input side shaft to an output side shaft, and includes a clutch carrier, a clutch housing, and a centrifugal clutch unit. And a hysteresis generating mechanism.
  • the clutch carrier is connected to the input shaft.
  • the clutch housing is connected to the output side shaft.
  • the centrifugal clutch portion is movably provided on the outer peripheral side of the clutch carrier, and abuts on the inner peripheral side of the clutch housing by moving to the outer peripheral side.
  • the hysteresis torque generating mechanism is a mechanism that generates hysteresis as the centrifugal clutch moves to the clutch housing side.
  • the cis-generating mechanism includes a support member for movably supporting the centrifugal clutch portion on the clutch carrier, a friction member for imparting resistance to the centrifugal clutch portion when the centrifugal clutch portion is moved, a friction member, and a centrifugal clutch portion. And a pressing mechanism for pressing each other.
  • the centrifugal clutch portion and the friction member are pressed against each other by the pressing mechanism, and when power is transmitted from the input side shaft to the centrifugal clutch portion, the centrifugal clutch portion is Abutting against the inner peripheral wall of the housing and frictionally engaging. As a result, power is transmitted between the centrifugal clutch portion and the clutch housing.
  • the centrifugal clutch portion moves to the outer peripheral side, hysteresis occurs between the friction member and the centrifugal clutch portion.
  • the centrifugal clutch device is the device according to claim 1, wherein the clutch housing has a cylindrical portion in which the centrifugal clutch portion is disposed.
  • the centrifugal clutch portion has a plurality of clutch weights, one end of which is rotatably supported by a clutch carrier by a support member, and an outer peripheral portion of each clutch weight, which is provided on the inner wall of the cylindrical portion of the clutch housing when the clutch weight rotates.
  • a clutch shoe that can be press-contacted and a biasing member that biases the other ends of the plurality of clutch weights toward the inner periphery.
  • the centrifugal clutch device is the device according to claim 2, wherein the support member is a column that supports the clutch weight, and a disc provided between the clutch weight and the clutch carrier. Part. The friction member is provided between the clutch weight and the disc portion.
  • the centrifugal clutch device according to claim 4 is the device according to claim 3, wherein the pressing mechanism is a wave spring that is provided on the support column of the support member and presses the clutch weight toward the friction member.
  • 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 this embodiment is a device that is disposed on an input side shaft 2 connected to an engine, and that cuts off transmission of power from the input side shaft 2 to the output side shaft 75.
  • the centrifugal clutch device 1 includes a clutch boss 3, a clutch carrier 4, a centrifugal clutch unit 5, a clutch housing 6, and a hysteresis generating mechanism 7.
  • the right side of FIG. 1 is defined as the axially outer side, and the left side of FIG.
  • the clutch boss 3 is an annular member, and a spline 11 is formed on the inner peripheral surface.
  • the spline 11 can be engaged with a spline formed on the outer periphery of the input side shaft 2. Further, a lubricant supply path 10 penetrating from the inner peripheral side to the outer peripheral side is formed on one side of the clutch boss 3, that is, the surface on the clutch carrier 4 side. The lubricant supply path 10 is used for supplying the lubricant supplied through the lubricant supply path 9 provided in the input side shaft 2 to the centrifugal clutch section. 5 is a passage for supplying to 5 and is formed in a straight line between the input side shaft 2 side and the centrifugal clutch portion 5 side by forging or machining.
  • the clutch carrier 4 is a plate-like member provided with an inner peripheral portion in contact with an axially outer end face of the clutch boss 3.
  • the clutch carrier 4 includes a first disc portion 14 that contacts the end face of the clutch boss 3, a cylindrical portion 13 formed on the outer peripheral side of the first disc portion 14, and an outer peripheral side of the cylindrical portion 13. And a second disk portion 15 disposed on the outer side in the axial direction from the first disk portion 14.
  • the first disc portion 14 has a spline formed on the inner peripheral side, and this spline is engaged with the input side shaft 2.
  • the centrifugal clutch portion 5 is a portion disposed on the outer peripheral side of the clutch boss 3, and includes three arc-shaped clutch weights 30 and an outer peripheral side of the clutch weight 30.
  • a clutch shoe 31 fixed to the clutch weight 31; a support member 20 that supports one end of the clutch weight 30; and a coil spring 35 that connects two adjacent clutch weights 30 to each other.
  • the clutch shoe 31 is a portion that is pressed toward the inner peripheral side of the clutch housing 6 when the clutch weight 30 rotates around the support member 20, and extends in the circumferential direction toward the outer peripheral side.
  • a plurality of second grooves 34 are formed.
  • the support member 20 is disposed on the outer peripheral side of the clutch carrier 4, and includes a force portion 21, a plate portion 22, and a support portion 23.
  • the force-applying portion 21 is a portion formed by applying force to the outer end portion in the axial direction of the support member 20 in order to attach the support member 20 to the clutch carrier 4.
  • the plate portion 22 is a disk-like member having a thickness greater than that of the force and crimping 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 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 supported at the base end side of one of the two clutch weights 30 in contact with the P (supported by the support member 20). The other end is locked to the other tip side of the two clutch weights 30.
  • the clutch housing 6 is a member that is fixed to the output side shaft 75 and that the centrifugal clutch portion 5 is pressed against the inner peripheral surface, and includes a disc-like portion 40 and a tubular portion 41. .
  • the inner peripheral part of the disc-like part 40 is fixed to the output side shaft 75.
  • the cylindrical portion 41 is formed to extend from the outer peripheral side of the disc-like portion 40 to the outer side in the axial direction to the position of the clutch carrier 4.
  • a 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. This hole 42 is for discharging the lubricant supplied from the lubricant supply passage 10 to the centrifugal clutch portion to the outside of the clutch housing 6.
  • the hysteresis generating mechanism 7 includes a friction material 24 mounted on the axially outer side of the clutch weight 30 and on the axially inner side of the plate portion 22, and a wave spring 25 disposed on the axially inner side of the clutch weight 30. And a stopper plate 60 disposed inside the wave spring 25 in the axial direction.
  • the friction material 24 is an annular member sandwiched 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 urges the clutch weight 30 toward the friction material 24 side.
  • the wave spring 25 is elastically deformed into a flat plate shape and is disposed on the inner side in the axial direction of the clutch weight 30.
  • the stopper plate 60 is an annular plate member having a plurality of projecting portions 61 projecting radially inward at the inner peripheral portion, and the projecting portions 61 are engaged with the grooves 65 of the support member 20.
  • a clutch weight 30 having a single member is used, but a clutch weight having a plurality of plate-shaped members can also be used.

Landscapes

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

Abstract

L’invention concerne un dispositif à embrayage centrifuge (1) capable de transmettre et d’interrompre la transmission de la puissance d’un arbre d’entrée (2) vers un arbre de sortie (75). Le dispositif d’embrayage comprend un logement d’embrayage (6) connecté à l’arbre de sortie (75), un porte-embrayage (4) connecté à l’arbre d’entrée (2), une pièce d’embrayage centrifuge (5) et un mécanisme de génération d’hystérèse (7). La pièce d’embrayage centrifuge (5) est installée de façon mobile sur le porte-embrayage (4) et amenée au contact du côté périphérique interne du logement d’embrayage (6) par le mouvement de celui-ci vers le côté périphérique externe du logement d’embrayage. Le mécanisme de génération d’hystérèse (7) génère une hystérèse selon le mouvement de la pièce d’embrayage centrifuge (5) vers le côté du logement d’embrayage (6). De plus, le mécanisme de génération d’hystérèse (7) comprend un élément support (20) destiné à supporter la pièce d’embrayage centrifuge (5) de façon mobile avec le porte-embrayage (4), un élément de friction (24) permettant d’imprimer une certaine résistance à la pièce d’embrayage centrifuge (5) pendant le mouvement de la pièce d’embrayage centrifuge, et un mécanisme de pression permettant d’appuyer l’élément de friction (24) contre la pièce d’embrayage centrifuge (5).
PCT/JP2006/311914 2005-07-20 2006-06-14 Dispositif à embrayage centrifuge WO2007010688A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005209994A JP2007024255A (ja) 2005-07-20 2005-07-20 遠心式クラッチ装置
JP2005-209994 2005-07-20

Publications (1)

Publication Number Publication Date
WO2007010688A1 true WO2007010688A1 (fr) 2007-01-25

Family

ID=37668573

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2006/311914 WO2007010688A1 (fr) 2005-07-20 2006-06-14 Dispositif à embrayage centrifuge

Country Status (3)

Country Link
JP (1) JP2007024255A (fr)
CN (1) CN101223378A (fr)
WO (1) WO2007010688A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8851262B2 (en) 2010-02-17 2014-10-07 Andreas Stihl Ag & Co. Kg Coupling device actuated by centrifugal force

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102203449B (zh) * 2008-10-29 2013-03-27 Brp罗泰克斯有限两合公司 离心离合器
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
CN103615482B (zh) * 2013-12-03 2016-01-20 北京航空航天大学 一种微小型机械式离心摩擦限速器

Citations (4)

* 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
JPH0393626U (fr) * 1990-01-11 1991-09-25
JPH06280901A (ja) * 1993-03-22 1994-10-07 Wakayama Nainenki Kk 遠心式クラッチ

Patent Citations (4)

* 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
JPH0393626U (fr) * 1990-01-11 1991-09-25
JPH06280901A (ja) * 1993-03-22 1994-10-07 Wakayama Nainenki Kk 遠心式クラッチ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8851262B2 (en) 2010-02-17 2014-10-07 Andreas Stihl Ag & Co. Kg Coupling device actuated by centrifugal force

Also Published As

Publication number Publication date
CN101223378A (zh) 2008-07-16
JP2007024255A (ja) 2007-02-01

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