Solenoid valve

The utility model relates to an electromagnetic valve which comprises a valve body, a valve seat, a valve sleeve and a valve core, the valve body is ferromagnetic and is of a cylindrical structure, the wall thickness of the valve sleeve is 2.03.0 mm, a junction box is installed outside the valve body, coils are embedded in the valve body, the valve sleeve and the valve seat are correspondingly installed at the upper end and the lower end of the valve body and are both partially embedded in rings of the coils. Wherein the valve core is inserted into the valve sleeve and moves oppositely relative to the valve seat, a gap with the width of 0.81.5 mm is formed between the valve core and the valve sleeve, a valve rod is detachably connected into the valve core, the lower portion of the valve rod is connected with the valve seat in a sealed mode, the upper portion of the valve rod is elastically connected with the valve seat, and a magnetic isolation gasket with the thickness of 0.055 mm isarranged at the lower end