Stop valve for permanent magnet pull-in type gas pressure regulator

The utility model belongs to the technical field of fuel gas transmission and distribution equipment, and discloses a stop valve for a permanent magnet pull-in type fuel gas pressure regulator. The fuel gas valve is mainly characterized by comprising a fuel gas valve port, a cut-off valve body composed of an upper shell and a lower shell is arranged on the fuel gas valve port, a diaphragm with a tray is arranged between the upper shell and the lower shell, a pull rod connected with the diaphragm is arranged in the upper shell, a valve rod is arranged in the lower shell, and a permanent magnetis arranged at the top of the valve rod; a pushing spring and a cut-off valve are arranged at the bottom of the valve rod, an upper armature matched with the permanent magnet is arranged on the bottomface of the diaphragm, and a lower armature matched with the permanent magnet is arranged in the lower shell. The stop valve for the permanent magnet pull-in type gas pressure regulator has an overpressure safety stop functio