Municipal drainage floor drain device

The utility model belongs to the field of blowdown devices, and particularly relates to a municipal drainage floor drain device which comprises a floor drain shell. A top plate is clamped above the floor drain shell, a small bolt is arranged on the surface of the top plate in a penetrating mode, clamping grooves are formed in the two sides of the floor drain shell, filtering devices are clamped in the clamping grooves, and a sewage draining device is arranged at the bottom of the floor drain shell; through the structural design of multi-layer and different-format arrangement of the filtering device, the function of filtering sundries with different sizes in a layered mode is achieved, the problem that all the sundries are accumulated at the bottom of the device to cause blockage is solved, the sewage discharging efficiency of the device is improved, and through the clamping structure of the filtering box, the structure is simple, use is convenient, and practicability is high. The filtering device is convenien