PREFILL VALVE STRUCTURE FOR REFILLABLE SPRAY BOTTLE

Abstract: a prefill valve structure for a refillable spray bottle, having a bottle body and a spray nozzle assembly arranged on the bottle body, wherein a partition is arranged at a lower end of the inside of the bottle body and used for dividing the bottle body into an upper cavity and a lower cavity, the center of the partition is cut through to allow liquid to flow into the bottle body. a tail valve assembly is arranged in the lower cavity of the bottle body, the tail valve assembly has a tail cover and a piston, the piston is arranged in the tail cover and provided with a filling hole and a vertically through exhaust hole, and a filling port and an exhaust plunger which correspond to the filling hole and the exhaust hole in the piston are arranged on the tail cover.

Inventor(s): Canhui CHEN

CPC Classification: B05B11/0056 (Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use)

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