Adjustable venturi spray nozzle

The utility model discloses an adjustable venturi spray nozzle, which mainly comprises a nozzle pipe (1), a barrel body (2), a supporting bracket draw rod (3) which is arranged in the barrel body (2), a shaft sleeve (4), a valve core (5), a shaft (6), a stopping retaining ring (7) and a butterfly nu...

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Bibliographic Details
Main Author AOYUAN YU
Format Patent
LanguageEnglish
Published 21.10.1998
Edition6
Subjects
AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING
BLASTING
CONTROLLING
HEATING
LIGHTING
MECHANICAL ENGINEERING
PHYSICS
RANGES
REGULATING
SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
VENTILATING
WEAPONS
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Summary:The utility model discloses an adjustable venturi spray nozzle, which mainly comprises a nozzle pipe (1), a barrel body (2), a supporting bracket draw rod (3) which is arranged in the barrel body (2), a shaft sleeve (4), a valve core (5), a shaft (6), a stopping retaining ring (7) and a butterfly nut (8), wherein, the nozzle pipe (1) is venturi shrinkage-shaped. The valve core (5) is composed of a valve core sphere member (11), a valve core cone member (14), a sleeve pipe (12), a circular shaft sleeve (10) and a circular nut (9). The valve core (5) is supported on the shaft (6) by a circular bearing (10) and a circular nut (9) which are respectively installed on the both ends. The utility model has the advantages that the speed of an air-stream shaft core isn't easy to be attenuated, the air quantity can be directly and manually adjusted at the out air side of the nozzle and the installation is finished by inserting into a pipeline. The adjustable venturi spray nozzle provides a jet flow sending wind nozzle which has practicality, adjustable air quantity and easy installation for the ventilation, the air conditioning, the clarification of the tall space.
Bibliography:Application Number: CN1997200204U