Concave-convex frame type lightning arrester core body adjusting structure

The invention discloses a concave-convex frame type lightning arrester core adjusting structure, which belongs to the technical field of lightning arresters, is mainly mounted in a lightning arrester, and comprises a frame, a magnetic blow-out coil, an arc extinguishing device and a drainage device. The magnetic blow-out coil is inserted into the axis of the frame and can take a part of lightning current, when lightning is generated, a part of current can pass through the magnetic blow-out coil to form a magnetic field, the magnetic field acts on the voltage drop resistor disc to generate magnetic force, the magnetic force pushes the arc extinguishing device to be unfolded, and an air gap is formed. Therefore, a long arc acting in the lightning arrester is cut into a short arc. Meanwhile, the magnetic field generated by the magnetic blow-out coil enables the short arc to move, and the short arc moves in the surrounding medium at the same time, so that the arc extinguishing purpose can be further achieved. Com