drive unit
A driving device and actuating mechanism technology, applied in the direction of valve devices, engine components, machines/engines, etc., can solve the problems of inaccurate adjustment, inability to adjust the opening and closing phase and stroke of intake and exhaust valves, and achieve small structural changes , Continuous adjustment of the valve switch phase and opening stroke, the effect of large adjustment ability
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[0024] figure 1 An embodiment of the drive device according to the invention is schematically represented. Such a drive is used in particular to drive the movement of a cylinder valve stem of an internal combustion engine. In this embodiment, the internal combustion engine cylinder refers especially to the internal combustion engine cylinder of a motorcycle. This cylinder is characterized by its compact structure and small installation space.
[0025] Such as figure 1 As shown, in this embodiment, the driving device has a cam 1 mounted on a cam drive shaft 14 . The cam drive shaft 14 is driven by other power devices, thereby driving the cam 1 to rotate. The above-mentioned power plant is not shown in the figure.
[0026] What cooperates with cam 1 is a rocking arm 3. In this embodiment, the rocker arm 3 is a strip-shaped plate-like member. The rocker arm 3 extends relatively long in the horizontal direction in the figure, and relatively narrow in the vertical direction....
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