VARIABLE VALVE LIFT DEVICE CAPABLE OF IMPROVING THE MOMENT OF INERTIA BY FORMING LATCHING UNIT ALONG A CENTER LINE OF THE LONGITUDINAL DIRECTION OF AN INNER BODY

摘要

PURPOSE: A variable valve lift device is provided to improve the dynamic characteristic of a cam shaft and a valve by allowing a latching unit to pass through a center shaft of the longitudinal direction of the valve and the center of the cam shaft.;CONSTITUTION: A variable valve lift device comprises a variable shaft, an inner body(120), an outer body(125) and a latching pin. One side of the inner body installed to the variable shaft rotatably and the other side of the inner body and transfers the valve(115) by a cam shaft and a low cam(105). A latching pin chamber of the inner body is opened to the other side according to the center shaft of the longitudinal direction. One side of the outer body is inserted in the variable shaft rotatably, the other side of the outer body is moved by a high cam of the cam shaft. The supporting part(135) of the outer body faces with the latching pin chamber. A latching pin is inserted into the latching pin chamber. The latching pin is protruded from the latching pin chamber at a set length by the oil pressure supplied from an oil pipe to the latching chamber.;COPYRIGHT KIPO 2012