Metering and detection standard gauge protection cover structure

The invention discloses a metering and detection standard gauge protection cover structure. The structure includes a metering and detection standard gauge body. A first groove is disposed on the metering and detection standard gauge body. A plurality of terminals are disposed in the first groove. A protection cover is disposed on the metering and detection standard gauge body in a sliding sleevingmanner. First through holes are disposed on a top inner wall and a bottom inner wall of the protection cover. Second grooves are disposed at the top and the bottom of the metering and detection standard gauge body. Pins are mounted in the second grooves in a sliding manner. Ends of the two pins away from each other respectively extend into the corresponding first through holes. The pins are connected with inner walls of the corresponding first through holes in a sliding manner. First chutes are disposed on inner walls of sides of the second grooves away from the protection cover. A structureof the invention is simple