A outer spraying system that is used for curtain water proofness to detect

The utility model relates to an outer spraying system that is used for curtain water proofness to detect, support the car and spray the frame including removing, spray a fixed mounting on the car is supported in the removal, spraying the frame and going up a height layering and set up a plurality of and spray the unit, every sprays the unit and evenly arranges a plurality of water pipes, evenly arranges installation a plurality of shower nozzle on the every water pipe. Said every sprayed the water pipe evenly arranged in the unit quantity is many, including a horizontal water pipe and many vertical water pipes, along the extending direction of horizontal water pipe, vertical water pipe evenly arrange and every vertical water pipe all with horizontal water pipe connected. Every vertical water pipe on evenly arrange a plurality of shower nozzles and the switch opened and close of control shower nozzle. The utility model discloses a water pressure convenient, that spray that outer spraying system moves is adjustable, can spray co-altitude not the curtain, spray evenly, belong to building testing technical field.