Filtration device for water inlet pipe of sprinkler

A filtration device for a water inlet pipe of a sprinkler, comprising:

• a mounting seat, provided in the water inlet pipe;
• a driving mechanism, provided in the mounting seat and penetrating through the mounting seat, wherein a side of the driving mechanism is movably connected to an outer wall of the mounting seat, and a clamping mechanism is provided on the driving mechanism, one end of the clamping mechanism is fixed to the driving mechanism, and the clamping mechanism is distributed circumferentially around the driving mechanism;
• and
• a fixing frame, with one end connected to the clamping mechanism and another end connected to a filter screen, wherein the filter screen is provided in the water inlet pipe;
• wherein the driving mechanism comprises:
• a connection shaft, fixed to an inner wall of the mounting seat and penetrating through a driving gear, wherein the connection shaft is movably connected to the driving gear, and the connection shaft is provided at a center of the driving gear;
• driven gears, symmetrical about the driving gear and meshing with the driving gear, wherein the driven gears penetrate through the mounting seat and are movably connected to the mounting seat;
• and
• a gear ring, movably connected to an outer wall of the mounting seat and meshing with the driven gears, wherein through holes are symmetrically provided on both sides of the mounting seat, the through holes penetrate through the mounting seat, and the driven gears penetrate through the through holes.