| 摘要 |
A variable valve device includes: a drive shaft member 2 rotating synchronously with a crankshaft provided in an internal combustion engine; a cam shaft member 3 including a cam lobe 3a and rotatably provided about the drive shaft member 2; a drive arm portion 4 provided in the drive shaft member 2 and rotating together with the drive shaft member; a control sleeve 8 provided with an eccentric hole 8a into which the drive shaft member 2 is inserted, and arranged to vary a position of a central axis of the eccentric hole 8a; and a drive disk 5-2 including a drive side disk 5a connected to the drive arm portion 4 and a driven side disk 5b connected to the cam shaft member 3, and rotating along an inner circumferential wall surface of the eccentric hole 8a, wherein the drive disk 5-2 rotates in a state where the drive side disk 5a and the driven side disk 5b are secured to each other, a relative position between the drive side disk 5a and the driven side disk 5b about a central axis line is variable. |
