Anti-loosening optical fiber adapter

The utility model discloses an anti-loosening optical fiber adapter which comprises an optical fiber adapter body, the right side of the optical fiber adapter body is provided with a U-shaped push plate, the left side surface of the U-shaped push plate is provided with two groups of through holes, and the interior of each through hole is provided with a fixing screw rod. The left end of each fixing screw rod is fixedly connected with the right side surface of the optical fiber adapter body, and the outer surface of each fixing screw rod is in threaded connection with a compression nut. According to the utility model, the fixing screw rod is arranged, and the spring and the U-shaped pressing sheet can be pushed to move through the cooperation of the fixing screw rod, the pressing nut and the U-shaped push plate, so that the plug can be pressed and fixed through the U-shaped pressing sheet, the plug can be plugged with the optical fiber adapter body more stably, and the plug is prevented from loosening during u