Detection jig structure for circuit board

The utility model discloses a detection jig structure for a circuit board, and relates to the technical field of circuit board detection. Comprising a base, a base plate is fixedly arranged at the top of the base, a pressing plate is arranged over the base plate, a detection needle is fixedly arranged at the bottom of the pressing plate, an electric push rod is fixedly arranged at the top of the detection needle, a display screen is fixedly arranged on the front face of the base, and supporting plates are arranged on the two sides of the display screen. A lead screw is movably arranged in the supporting plate, one end of the lead screw is fixedly connected with an output shaft of the motor, a nut seat is movably arranged on the surface of the lead screw, and a movable plate is fixedly arranged on one side of the nut seat. Through the arrangement of the nut seat and the screw rod, the rotating screw rod drives the brush plate on the moving plate to move vertically through threaded connection with the nut seat,