Anti-siphon device of water pump

The utility model relates to a water pump anti-siphon device which comprises a raw water pool, a collecting pool and a water pump, the position of the raw water pool is higher than that of the collecting pool, the water pump is connected with liquid in the raw water pool through a water suction pipe, and the water pump is connected with a drain pipe. Wherein a discharge port of the water dischargepipe is arranged above the collection pool, the water discharge pipe is further connected with a branch pipe, the branch pipe is arranged at the highest position of the water discharge pipe, and a discharge port of the branch pipe is arranged above the raw water pool. The flow and the lift of the water pump are reduced slightly, and the cost is low. 本实用新型涉及一种水泵防虹吸装置,包括原水池以及收集池，且所述原水池所在的位置高于所述收集池所在的位置，还包括水泵，所述水泵通过吸水管与所述原水池中的液体相连，所述水泵与排水管相连，且所述排水管的排出口设置在所述收集池的上方，所述排水管还与支管相连，且所述支管设置在所述排水管的最高处，所述支管的排出口设置在所述原水池的上方。本实用新型不但对水泵的流量及扬程削减较小，而且成本低。