Filter structure

A filter structure comprising:

• a main body having a hollow containment space filled with a filtering material, a filtering mesh disposed at a bottom side of the containment space, a first purifying opening disposed at a top end of the main body;
• a second purifying opening disposed at a lower sidewall position of the main body in the containment space and above the filtering mesh, and also configured to couple with a seal cap;
• a first cleaning opening and a second cleaning opening disposed on the main body, the first cleaning opening coupled to a first inner pipe extending into the containment space and bent upwardly, the second cleaning opening disposed below the filtering mesh and coupled to a second inner pipe extending into the containment space and bent downwardly;
• an outlet disposed at a bottom of the main body;
• and
• a stirring member having an upper cover corresponding to the first purifying opening of the main body, the upper cover further having a driving arm and a connecting rod, the connecting rod having a plurality of stirring rods;
• wherein the driving arm and the connecting rod are configured to rotate simultaneously.