A high-pressure pump drive cam and the camshaft of the engine structure

The present invention provides a structure of a camshaft of the engine, the camshaft structure comprising a body and a high pressure pump camshaft drive cam, the camshaft sprocket mating end of the body to an end, since the sprocket is provided with sequentially terminus at least one set of the valve drive cam, the high pressure pump drive cam, the camshaft main body casing has a high-pressure pump driving cam cooperating therewith. High pressure fuel pump drive cam fixedly connected with the wheel signal. The camshaft structure of the present invention is convenient arrangement, compact structure.