Variable valve lift apparatus of engine for vehicles

A variable lift apparatus of an engine for a vehicle, comprising:

• a camshaft in which a cam is coaxially formed thereon;
• a swing arm one side of which is pivotally supported by a supporting portion and another side of which operates a valve;
• an output arm that includes a roller press portion that is extended in one direction and a rotating arm that is extended in another direction from one end portion of the roller press portion;
• a first roller that is disposed in a connecting portion in which the rotating arm and the roller press portion are connected thereon and that contacts the cam, wherein the connecting portion is disposed opposite the supporting portion of the swing arm;
• a second roller that is disposed in the swing arm and contacts a roller contacting surface formed a lower portion of the roller press portion;
• a variable link pivotally connected by a hinge shaft with a lower end portion of the rotating arm that protrudes in a lower direction and moves the hinge shaft along a guide slot that is formed in a guide;
• and
• a rotation shaft eccentrically connecting the variable link and an actuating shaft, and moving the variable link.