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    • 3. 发明申请
    • 时控开关阀
    • WO2009079821A1
    • 2009-07-02
    • PCT/CN2007/003579
    • 2007-12-13
    • 浩瀚国际有限公司高志宏高右岳
    • 高志宏高右岳
    • F16K21/04F16K21/06F16K31/12F16K31/44F16K1/52
    • F16K21/10E03C1/08
    • A time-controlled switch valve consists an inner casing (30), a top cover assemble (40) and a time-controlled apparatus (50). One end of the inner casing (30) forms an opening, the other end is a base plate (31), and a through hole (32) is formed in the center of the base plate (31); the top cover assemble (40) covers the open end of the inner casing (30), several inlet holes (43a, 43b) communicating with the inner casing (30) are formed in the top cover assemble (40), and a sleeve (41) projects axially at its inner side; the time-controlled apparatus (50) passes through the through hole (32) of the inner casing (30) and is supported againstthe top of the sleeve (41), the time-controlled apparatus (50) includes a push rod (51), a water storage ring (53) and an elastomer (55), one end of the push rod (51) passes through and is disposed in the sleeve (41), and at middle part of the push rod (51) is provided with an O ring (513) which is opposite to the through hole (32) of the inner casing (30); the water storage ring (53) is made of elastic material, and is shaped as an annulus with arc section and inwardly shrinking openings at two opposite ends, an upper end (531) of the water storage ring (53) securely surrounds the outer periphery of the sleeve (41), a lower end (532) of thewater storage ring (53) securely surrounds the outer periphery of the push rod (51), so that one end of the push rod (51) with a plug (511) and a water flowing hole (516) can only move between the top of the sleeve (41) and the lower end (532) of the water storage ring (53).