Variable valve lift mechanism
A valve lift and variable technology, applied in mechanical equipment, engine components, machines/engines, etc., can solve the problems that the popularity is not as expected, and achieve no mutual interference, good linear output performance, and good linear control performance effect
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[0025] Example
[0026] Such as figure 1 Shown. The variable valve lift mechanism of the present invention includes an upper rocker arm 2, a lower rocker arm 4, and a valve 5. A circular hole 2-1 is opened at the right end of the upper rocker arm 2 and a cam 1 is provided on the upper surface of the upper rocker arm 2 , The upper surface and the lower surface of the upper rocker arm 2 are both flat, and the lower surface of the cam 1 is in sliding contact with the upper surface of the upper rocker arm 2;
[0027] The left end of the lower rocker arm 4 is provided with a hole for sleeves on the engine cylinder head positioning shaft 4-1, the upper surface of the lower rocker arm 4 is a flat surface, and the lower surface of the right end of the lower rocker arm 4 is a circular arc surface ;
[0028] A middle rocker arm 3 is provided between the upper rocker arm 2 and the lower rocker arm 4, the right end of the middle rocker arm 3 is provided with a mounting hole 3-1, and the left e...
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