Safety pin for oil and gas well logging

The utility model relates to a safety pin for oil and gas well logging, which comprises a fixing frame, an adjusting mechanism is arranged in the fixing frame, the adjusting mechanism comprises a cylinder fixedly connected with the fixing frame, the right side of the cylinder is fixedly connected with a gas delivery pipe extending into the fixing frame, and the right side of the gas delivery pipe is fixedly connected with a piston. Mounting seats are fixedly mounted in the fixing frame, a pin seat is fixedly mounted between the two mounting seats, a sealing sleeve attached to the pin seat is arranged on the outer side of the air conveying pipe in a sleeving mode, and a piston is movably connected into the pin seat. According to the safety pin for well logging of the oil and gas well and the adjusting mechanism, under the action of the air cylinder and the gas conveying pipe, the air pressure in the pin base is increased, the piston is pushed to slide, the pin body is pushed out for work, the safety pin is ope