Novel water-saving device for urinal

The utility model relates to a novel water-saving device for a urinal. At present, many water-saving toilets in the market are quite limited in water-saving effect, and a large amount of water in a toilet hand washing sink is completely discharged into sewers, so that waste is caused. The device comprises a water storage part, a water pumping part and a flushing part, a pressure switch is arrangedat the bottom of the water storage tank, a water inlet pipe is arranged on the side face of the water storage tank, a piston is arranged in the water pumping device, a movable valve is arranged in the middle of the piston, the piston of the water pumping device is connected with a first connecting rod through a straight rod, and a fixed pulley fixed to a wall is connected with the piston throughone end of the straight rod. According to the water-saving urinal, waste water generated by the hand washing sink is collected and stored in the water storage tank, when a person uses the urinal, thewaste water in the water st