Mechanical water-break self-closing valve

The invention discloses a mechanical water-break self-closing valve which comprises a valve body (2) with a hollow cavity body, a water inlet (1), a water outlet (6) and a valve cover (8). The water inlet (1) and the water outlet (6) are formed in the valve body (2), the valve cover (8) is combined...

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Bibliographic Details
Main Authors ZHU DERONG, LV YUANHAO, FAN HUANTONG, CHEN XIAOLONG, ZHANG DANWEN, DANG BAOHUA, FU HAIYU
Format Patent
LanguageChinese
English
Published 19.06.2013
Subjects
ACTUATING-FLOATS
BLASTING
COCKS
DEVICES FOR VENTING OR AERATING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
TAPS
THERMAL INSULATION IN GENERAL
VALVES
WEAPONS
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Summary:The invention discloses a mechanical water-break self-closing valve which comprises a valve body (2) with a hollow cavity body, a water inlet (1), a water outlet (6) and a valve cover (8). The water inlet (1) and the water outlet (6) are formed in the valve body (2), the valve cover (8) is combined with the valve body (2), the water inlet (1) is arranged to be lower than the water outlet (6), and the mechanical water-break self-closing valve further comprises a draw rod (13) which is arranged in the cavity body of the valve body. A spring (7) is sleeved on the draw rod, the lower end of the draw rod is connected with a valve plug (5), the outer diameter of the valve plug (5) is equal to the inner diameter of the cavity body of the valve body, the position of the valve plug on the draw rod is limited through a fastening part, and a notch is arranged on the draw rod. The notch can be clamped with a movable spring bolt (9) of a lock (11) arranged on the valve cover. In the process of water breaking, the spring r
Bibliography:Application Number: CN2013158685