Water meter cover dismounting jig

The utility model provides a water meter cover dismounting jig which comprises a base plate and a support which are in a U-shaped structure body shape, and two U-shaped structure bodies are connected together after openings of the two U-shaped structure bodies are opposite. Side handles are fixedly installed on the outer end faces of two side plates of the support, three unlocking pins are fixedly installed on the lower end face of the base plate, a bracket is arranged at the lower end of the base plate, the bracket is an openable and closable structural body composed of two semi-circular annular bodies which are symmetrical left and right, spring lock catches are installed at the ends of the two semi-circular annular bodies, and the spring lock catches are connected with the base plate. The semicircular annular body is hinged with a side plate of the U-shaped bracket; an annular groove with an upward opening and an L-shaped cross section is formed in the inner side of the bracket. The three unlocking pins ar