Pump protection box

The utility model relates to a machine pump protection box which comprises a box body (1) and a power-off device (2), a top cover (12) is arranged on the top of the box body (1), and the top cover (12) is in pin joint with the top of the box body. The power-off device (2) comprises a spring (21), a supporting rod (22), a fixed wiring block (23) and a movable wiring rod (24), a telescopic hole (13) and a wiring hole (14) are formed in the box body (1), the spring (21) is arranged in the telescopic hole (13), the supporting rod (22) is arranged in the telescopic hole (13), the bottom of the supporting rod (22) is fixedly connected with the spring (21), the top of the supporting rod (22) extends out of the telescopic hole (13), the fixed wiring block (23) is arranged in the wiring hole (14), one end of the movable wiring rod (24) is fixedly connected with the supporting rod (22), and the other end of the movable wiring rod (24) is fixedly connected with the wiring hole (14). And the other end extends into the wi