TH82933A - Clutch housings, centrifugal clutches, power units and straddle vehicles. - Google Patents

Abstract

The invention is provided with clutch housings, centrifugal clutches, power units and straddle vehicles where clutch housings and groups of components may be placed compactly. Connect in the direction of the rotating shaft of the clutch housing The build has a body 73 with a disc wall segment 91 being made outwardly Y2 in the radial direction Y of the hub 74, and a disk 91 with a first wall 91A being made on top. Inside Y1 in the radial direction Y and protruding to one side X1 in the rotating shaft direction X from hub 74 and second wall 91B made in the outer Y2 in the radial direction Y over the first wall 91A and Twisted to the other side X2 in the spindle direction X Concave inner surface on the other side X2 in the direction Pivot X of the first and second wall sections 91A, 91B are used as supports 92 for counterweight support at Movable The inner surface is twisted on the outer Y2 in the radial direction. The Y of the support 92 is made in conjunction with the cam surface 102 for pushing the counterweight to the main clutch tray when the counterweight. Move as it receives centrifugal force from the center The invention was provided with clutch housings, centrifugal clutches, power units and straddle vehicles where clutch housings and groups of components could be placed compactly. Connect in the direction of the rotating shaft of the clutch housing The build has a body 73 with a disc wall segment 91 being made outwardly Y2 in the radial direction Y of the hub 74, and a disk 91 with a first wall 91A being made on top. Inside Y1 in the radial direction Y and protruding to one side X1 in the rotating shaft direction X from hub 74 and second wall 91B made in the outer Y2 in the radial direction Y over the first wall 91A and Twisted to the other side X2 in the spindle direction X Concave inner surface on the other side X2 in the direction Pivot X of the first and second wall sections 91A, 91B are used as supports 92 for counterweight support at Movable The inner surface, twisted outside Y2 in the radial direction, Y of the support 92, is made in conjunction with the cam surface 102 for pushing the counterweight to the main clutch tray when the counterweight. Move as it receives centrifugal force from the center

Claims (16)

1. The clutch housing is designed for use in centrifugal clutches, where multiple clutch trays are brought into contact with each other via a method of movable counterweights driven by centrifugal force. The housing consists of a through-hub section that passes through the rotating shaft and rotates as it is torqued by the drive source, and a disc-shaped wall continuously formed on the outer radial direction of the hub. This disc-shaped wall is composed of a first wall formed on its inner radial direction and extending from the hub to one side in the direction of the rotating shaft, and a second wall formed outward radially relative to the first wall and twisted to the other side in the direction of the rotating shaft. The concave inner surface formed on the other side in the direction of the rotating shaft of the first and second walls serves as supports for the counterweights while allowing their movement. A cam surface pushes the counterweights onto the clutch trays as they move due to centrifugal force, and is formed in conjunction with the twisted inner surface of the outer radial section of the support. 2. Centrifugal clutches are designed to engage the master clutch pan, supported by the clutch housing, and the secondary clutch pan, supported by the clutch hub, through a centrifugal force acting on them. The clutch housing has a through-hub that passes through the rotating shaft driven by the torque source. A continuous disc-shaped wall is constructed on the outer radial direction of the hub, and cylindrical rim walls are arranged to extend from the rim of the disc-shaped wall to the other side in the direction of the rotating shaft. These walls hold the master clutch pan so that it faces the secondary clutch pan. The disc-shaped wall consists of a first wall constructed on the inner radial direction extending from the hub to one side in the direction of the rotating shaft, and a second wall constructed further outward radially relative to the first wall and twisted to one side in the direction of the rotating shaft. Concave inner surfaces are constructed on the other side in the direction of the rotating shaft of the first and second walls. It serves as a support for the counterweight while allowing its movement, and the cam surface for pushing the counterweight to the main clutch tray when the counterweight moves as it receives centrifugal force is made in conjunction with the torsional inner surface of the outer radial part of the support. 3. Centrifugal clutch under claim 2, where the outer radial portion of the cam surface formed on the disc wall of the clutch housing is assumed to be region one, while the inner radial portion is assumed to be region two. Region one is used as a torsional surface for pushing the counterweight to the master clutch pan as the counterweight moves under centrifugal force, while region two is used as a torsional surface for guiding the counterweight to a position where the compressive contact of the master clutch pan is released as the centrifugal force exerted by the counterweight decreases. 4. Centrifugal clutch under claim 2 or 3 where the counterweight has a shaft, a pair of guide trays fixed to the axle, and a roller body rotateably supported on the axle between the guide trays and the roller body while remaining in contact with the cam surface. 5. The power unit consists of a drive source for driving the driven part, a transmission connected to the output end of the drive source, and a centrifugal clutch inserted between the output end of the transmission and the driven part. The centrifugal clutch is designed to bring the primary clutch pan, supported by the clutch housing, and the secondary clutch pan, supported by the clutch hub, into compressive contact by means of a movable counterweight as it receives centrifugal force. The clutch housing has: a through-hub section through which the rotating shaft passes under torque from the drive source; a disc-shaped wall continuously constructed radially away from the hub; and an outer cylindrical wall arranged to extend from the outer edge of the disc-shaped wall to the other side in the direction of the rotating shaft to engage the rear clutch pan so that it faces the secondary clutch pan. The disc-shaped wall consists of a first section constructed radially on its inner side to extend from the hub to one side in the direction of the rotating shaft, and a second section constructed on its outer side. The radial twist of the first wall section, and the concave inner surface created on the opposite side in the direction of the shaft rotation of the first and second wall sections, are used as supports for the movable counterweight and as cam surfaces for pushing the counterweight to the main clutch tray when the counterweight moves as it is subjected to centrifugal force from its center, which is combined with the twisted inner surface of the outer radial section of the support. 6. The power unit under claim 5, where the component is placed face-on on one side in the direction of the rotational shaft of the clutch housing of the centrifugal clutch, and the outer portion in the radial direction of the outer surface on the other side in the direction of the rotational shaft of the component is made in a shape that extends to the other side in the direction of the rotational shaft. 7. The power unit under claim number 6, where the component is a clutch housing that covers the outer surface on one side in the direction of the clutch housing's rotation shaft. 8. The power unit under claim number 6, where the transmission is a continuously variable transmission consisting of a primary and secondary pulleys for V-grooving of variable width for the belt to be wrapped around, and the V-belt wrapped around the V-grooves of the primary and secondary pulleys. The primary or secondary pulley is mounted on one side in the direction of the rotational shaft of the clutch housing. Centrifugal force. 9. The power unit under claim number 6, where the transmission is a continuously variable transmission consisting of a master pulley and a second pulley for V-grooving with a variable width for the belt to be wrapped around, and the V-belt wrapped around the V-grooves of the master and second pulleys, and components of the master or second pulley. 10. The power unit under claim number 6, where the clutch housing and components are brought up by approximately equal dimensions in the radial direction at center on the rotating shaft. 11. The power unit under claim number 5, where the transmission is a continuously variable transmission consisting of a master pulley and a second pulley for V-grooving of variable width for the belt to be wrapped around, and the V-belt is wrapped around the V-grooves of the master and second pulleys. Each master and second pulley consists of a pair of movable and stationary pulley elements, and the stationary pulley element of the master or second pulley is mounted on one side in the direction of the shaft rotation of the clutch housing of the centrifugal clutch. 12. The power unit under claims 8, 9, 10 or 11, where the driving source is an engine consisting of a crankcase containing a centrifugal clutch, a continuously variable transmission housed in a transmission box, the transmission box attached to the crankcase, and the centrifugal clutch and a second pulley placed side-by-side on the same shaft extending between the crankcase and the transmission box. 13. The power unit under claim 12, in which the crankcase consists of an outer wall that is inserted between the clutch housing and the transmission housing on the rotating shaft, and the outer surface on the other side in the direction of rotation of the outer wall is shaped so that its outer portion in the radial direction extends to the other side in the direction of rotation to provide thermal insulation between the outer wall and the transmission housing. 14. A straddling vehicle incorporating the energy units of any of the claims 5 through 11. 15. A straddling vehicle incorporating the energy unit of any of the claims in Clause 12. 16. A straddling vehicle incorporating the energy unit of any of the claims in Clause 13.