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    • 2. 发明专利
    • Flow rate control apparatus
    • 流量控制装置
    • JP2012241826A
    • 2012-12-10
    • JP2011113633
    • 2011-05-20
    • Smc CorpSmc株式会社
    • SHISHIDO KENJI
    • F16K27/00F16K3/24
    • F16K1/06F16K1/04F16K1/42F16K1/523
    • PROBLEM TO BE SOLVED: To reduce weight while highly accurately controlling a flow rate of a fluid, in a flow rate control apparatus.SOLUTION: The flow rate control apparatus 10 is equipped with a valve mechanism 20, which is capable of controlling a flow rate of a pressure fluid that flows from a second port 16 to a first port 12. Second stopper walls 110a and 110b are formed on a seating section 100 of a needle valve 24 constituting the valve mechanism 20 and which is capable of advancing and retracting in an axial direction. In addition, in a total valve-closed state when the seating section 100 of the needle valve 24 is seated on a seat 50 of a first body 14, the second stopper walls 110a and 110b come into abutment and are stopped in a circumferential direction of the needle valve 24 with respect to first stopper walls 54a and 54b of the first body 14.
    • 要解决的问题:在流量控制装置中,为了降低重量,同时高精度地控制流体的流量。 解决方案:流量控制装置10配备有阀机构20,其能够控制从第二端口16流向第一端口12的压力流体的流量。第二止挡壁110a和110b 形成在构成阀机构20的针阀24的座部100上,能够沿轴向前进和后退。 此外,当针阀24的座部100位于第一主体14的座部50上时,在全闭阀状态下,第二止挡壁110a和110b抵接并沿圆周方向停止 针阀24相对于第一主体14的第一止动壁54a和54b。版权所有:(C)2013,JPO&INPIT