In-pipe pump

The utility model relates to a pump in a pipe, and belongs to the technical field of submersible pumps. Comprising a fixing pipe, a water inlet pipe and a water outlet pipe are arranged at two ends of the fixing pipe, a motor section and a water pump section are arranged in the fixing pipe, a water inlet section is arranged between the motor section and the water pump section, and a water outlet of the water pump section is communicated with the water outlet pipe; a water injection bolt is arranged at a water injection port on the motor section shell, a water injection window is arranged on the pipe wall of the fixing pipe outside the water injection bolt, a section pipe is fixedly arranged at the water injection window, a blind plate is connected to an outer opening of the section pipe through a flange plate, and a cable sealing gasket is arranged between the blind plate and the flange plate; a circle of supporting holes are formed in the pipe wall of the fixing pipe, a supporting nut is welded to the outer