Hydraulic electromagnetic proportional control valve

The utility model discloses a hydraulic electromagnetic proportional control valve which comprises an electromagnetic coil part, the electromagnetic coil part comprises a shell, a coil assembly is arranged in the shell, a magnetism isolating cover is arranged in the coil assembly, and a movable iron core and a front yoke are arranged in the magnetism isolating cover to form a closed magnetic circuit. The end, close to the movable iron core, of the front yoke is of a conical surface structure, and the movable iron core axially moves along with electromagnetic force generated when the coil assembly is powered on. The valve body is fixedly connected with the electromagnetic coil part and comprises a valve sleeve, an oil through hole is formed in the side wall of the valve sleeve, a valve element with an outer circular face is arranged in the valve sleeve, one end of the valve element is sequentially connected with the front yoke and the movable iron core in the axial direction through an ejector rod, and the oth