Move stable centrifugal fan

The utility model discloses a move stable centrifugal fan. Including spiral case and impeller, the damp subassembly of the last row of setting of inner wall of volute, arrange damp subassembly including the fixed block that connects gradually, spring and brush board, the last support cylindrical that sets up of inner wall of volute, the last connecting sleeve that rotates of support cylindrical, set up the blade on the sleeve outer wall, set up the stay cord between blade and the brush board, the spiral case below sets up the base, the base boring forms a cavity, set up semi -circular support piece in the cavity, set up no. Two the spring between semi -circular support piece and the cavity inner wall, set up the cavity on the up end of base left surface and right flank no. Two, set up oval support piece in no. Two cavitys, set up no. Three the spring between oval support piece and no. Two cavity inner walls corresponding. The utility model discloses a cushioning effect of spring reduces fan vibration degree t