Practical magnetic isolation coaxial valve

The utility model belongs to the technical field of glue valves of glue dispensing and pouring equipment, and particularly relates to a practical magnetic isolation coaxial valve, which comprises a valve core, a magnetic isolation sleeve, a magnetic isolation sleeve and a magnetic isolation sleeve, a plurality of first magnetic rings are arranged in the middle of the outer wall of the valve element at intervals. The glue sealing conical ring is in threaded connection with the discharging end of the valve element; the inner pipe body is sleeved on the valve core and the glue sealing cone ring; the piston sleeve is arranged on the inner pipe body in a sleeving manner; a plurality of second magnetic rings attracted with the first magnetic rings are arranged on the inner wall of the shell at intervals; the outer pipe body is arranged on the piston sleeve in a sleeving manner; the valve body comprises a feeding end valve body and a discharging end valve body which are arranged at the two ends of the outer pipe bod