Case interface convenient to disassemble and replace

The utility model provides a case interface convenient to disassemble and replace, which relates to the technical field of case interfaces and comprises a USB (universal serial bus) interface body. The USB interface body is provided with a USB interface head in the vertical direction, front-back through fixing cylinders are arranged on the front portion and the back portion of the top of the right end face of the USB interface head, left-right strip-shaped grooves are formed in the tops of the front end face and the back end face of the USB interface head, and front-back through threaded holes are formed in the middles of the strip-shaped grooves of the USB interface head. A dustproof sealing plate in the left-right direction is installed on a fixing cylinder of the USB interface head through a fixing shaft, and an overturning cylinder in the front-back direction is arranged in the middle of the right end face of the dustproof sealing plate, so that the dustproof sealing plate is conveniently installed on the