JPS6281109U

JPS6281109U -

Info

Publication number: JPS6281109U
Application number: JP16997985U
Authority: JP
Priority date: 1985-11-05
Filing date: 1985-11-05
Publication date: 1987-05-23

Description

[Brief explanation of the drawing]

第１図はこの考案の流量調節弁の実施例を示す
断面図、第２図はこの考案の弁の開閉制御の状態
を示す弁機構断面図、第３図は動力伝達円板を示
す斜視図、第４図は第１、第２固定オリフイスの
開度が可動弁の回転動作により制御される様子を
示す図、第５図はこの考案による流量調整弁を用
いたバルブの流量特性を検査する装置の一例を示
すブロツク図、第６図は従来の流量調整弁を用い
たバルブの流量特性検査装置を説明するためのブ
ロツク図、第７図はバルブの流量特性曲線の例を
示す図である。１：コンプレツサ、２：タンク、３：流体流路
、３Ａ：主流路、３Ｂ：放出流路、４：流量調整
弁、５：被検査バルブ、６：圧力変換器、７：流
量計、８：比較器、９：増幅器、１０：逃がし弁
、１１：弁本体、１２：モータ、１３：ハウジン
グ、１５：シール・リング、１６：空室、１７：
隔壁、１８：平坦面、１９：第１固定オリフイス
、２１：第２固定オリフイス、２２：第１通路、
２３：第２通路、２５：可動弁、２５Ａ：回転中
心、２６：動力伝達機構、２７：駆動軸、２８，
２９：ベアリング、３１：動力伝達円板、３２：
ピン、３３：コイル・スプリング、３４：第３通
路、３５：流量調整弁、３６：流量調整弁。 Fig. 1 is a sectional view showing an embodiment of the flow control valve of this invention, Fig. 2 is a sectional view of the valve mechanism showing the opening/closing control state of the valve of this invention, and Fig. 3 is a perspective view showing the power transmission disk. , Fig. 4 is a diagram showing how the opening degrees of the first and second fixed orifices are controlled by the rotational movement of the movable valve, and Fig. 5 is a diagram showing the flow rate characteristics of the valve using the flow rate regulating valve according to this invention. A block diagram showing an example of the device, FIG. 6 is a block diagram for explaining a valve flow rate characteristic inspection device using a conventional flow rate regulating valve, and FIG. 7 is a diagram showing an example of a valve flow rate characteristic curve. . 1: Compressor, 2: Tank, 3: Fluid flow path, 3A: Main flow path, 3B: Discharge flow path, 4: Flow rate adjustment valve, 5: Valve to be inspected, 6: Pressure transducer, 7: Flow meter, 8: Comparator, 9: Amplifier, 10: Relief valve, 11: Valve body, 12: Motor, 13: Housing, 15: Seal ring, 16: Vacant chamber, 17:
Partition wall, 18: flat surface, 19: first fixed orifice, 21: second fixed orifice, 22: first passage,
23: second passage, 25: movable valve, 25A: rotation center, 26: power transmission mechanism, 27: drive shaft, 28,
29: Bearing, 31: Power transmission disc, 32:
Pin, 33: Coil spring, 34: Third passage, 35: Flow rate adjustment valve, 36: Flow rate adjustment valve.

Claims

[Claims for Utility Model Registration] A: A housing having a cavity inside; B: A flat surface provided in the cavity of this housing; C: Two fixed orifices formed in this flat surface; D: These two first and second passages communicating with the outside of the housing via fixed orifices; E; a movable valve that slides along the flat surface and simultaneously applies opposite cross-sectional area changes to the two fixed orifices; A flow rate regulating valve comprising: a third passage communicating the above-mentioned empty space with the outside of the housing;