Zigzag cutting pump

The utility model discloses a zigzag cutting pump is equipped with in the pump body along with the rotatory impeller of pivot, and pump body bottom is equipped with water inlet cover and covers the welt with the suction, and the blade leading edge and the cutting of impeller are personally submitted the acute angle and are equipped with and move cutting sawtooth, and water inlet cover's upper end leading edge and cutting are personally submitted the acute angle and be equipped with and move the quiet cutting sawtooth of cutting sawtooth matched with. It has good effect of cutting when getting into the water pump to cylindrical body, strong elastomer member and the too much flexible material body, effectively prevents the card, blocks up, twines dead impeller, guarantees the water pump and normally works. 本实用新型公开了种锯齿形切割泵，泵体内设有随转轴旋转的叶轮，泵体底部设有进水口盖和抽吸盖衬板，叶轮的叶片前缘与切割面呈锐角且设有动切割锯齿，进水口盖的上端前缘与切割面呈锐角且设有与动切割锯齿相配合的静切割锯齿。其对圆柱形物体、强弹性物体及过多柔性物体进入水泵时具有优良的切割效果，有效防止卡、堵、缠死叶轮，保证水泵正常工作。