JPS63103005U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例である流体圧作動機
器の要部を拡大して示す部分断面図、第２図はそ
の流体圧作動機器の一部を破断して示す側面図、
第３図は流体回路図、第４図は性能を従来の場合
と比較して示す線図である。 １……シリンダ本体、２……エンドカバー、３
……ロツドカバー、４……ピストン、５……ピス
トンロツド（駆動部材）、６，７……作動流体給
排路、６ａ，７ａ……作動流体給排管、８……速
度制御弁、８ａ……逆止弁、８ｂ……調整ノブ、
８ｃ……流量調整弁、９……ベンチユリー管、９
ａ……のど部、１０……吸引管、１１……集塵ア
ダプタ、１２……逆止弁機構、１２ａ……縮径弁
座、１２ｂ……透孔、１２ｃ……ノズル弁座、１
２ｄ……弁体、１３……蓄積タンク（作動流体蓄
積手段）、Ｅ……排気流、Ａ……空気圧源、Ｂ…
…方向制御弁、Ｒ，Ｌ……流体室、Ｓ……ピスト
ンの変位、Ｐ_１……ベンチユリー管の入口部にお
ける排気流の圧、Ｐ_２……のど部における負圧。 FIG. 1 is a partially sectional view showing an enlarged main part of a fluid pressure operated device according to an embodiment of the present invention, and FIG. 2 is a side view showing a part of the fluid pressure operated device broken away.
FIG. 3 is a fluid circuit diagram, and FIG. 4 is a diagram showing performance in comparison with a conventional case. 1... Cylinder body, 2... End cover, 3
... Rod cover, 4 ... Piston, 5 ... Piston rod (driving member), 6, 7 ... Working fluid supply and discharge passage, 6a, 7a ... Working fluid supply and discharge pipe, 8 ... Speed control valve, 8a ... Check valve, 8b...adjustment knob,
8c...Flow rate adjustment valve, 9...Venture pipe, 9
a... Throat, 10... Suction pipe, 11... Dust collection adapter, 12... Check valve mechanism, 12a... Diameter reduction valve seat, 12b... Through hole, 12c... Nozzle valve seat, 1
2d... Valve body, 13... Storage tank (working fluid storage means), E... Exhaust flow, A... Air pressure source, B...
... Directional control valve, R, L ... Fluid chamber, S ... Displacement of the piston, P ₁ ... Pressure of exhaust flow at the inlet of the ventilate tube, P ₂ ... Negative pressure at the throat.

Claims (1)

【実用新案登録請求の範囲】 (1) 流体圧作動機器に接続される作動流体給排
路にベンチユリー管を介設し、該ベンチユリー管
ののど部を該流体圧作動機器における駆動部材の
挿通部に連通させてなる流体圧作動機器であつて
、前記ベンチユリー管と前記流体圧作動機器との
間における前記作動流体給排路に作動流体蓄積手
段を備えたことを特徴とする流体圧作動機器。 (2) 前記流体圧作動機器が圧縮空気を作動流体
とするシリンダ装置であり、前記駆動部材がピス
トンロツドであることを特徴とする実用新案登録
請求の範囲第１項記載の流体圧作動機器。 (3) 前記作動流体蓄積手段と前記流体圧作動機
器との間における前記作動流体給排路に速度制御
弁が介設されていることを特徴とする実用新案登
録請求の範囲第１項記載の流体圧作動機器。 (4) 前記ベンチユリー管の前記のど部と前記駆
動部材の挿通部との間に、該挿通部から前記のど
部の方向にのみ流体を通過させる逆止弁機構が介
設されていることを特徴とする実用新案登録請求
の範囲第１項記載の流体圧作動機器。[Claims for Utility Model Registration] (1) A ventilator tube is interposed in a working fluid supply/discharge path connected to a fluid pressure operated device, and the throat of the ventilee tube is inserted into the passage of a driving member in the fluid pressure operated device. 1. A fluid pressure operated device, characterized in that the working fluid supply/discharge path between the ventilary pipe and the fluid pressure operated device is provided with a working fluid storage means. (2) The fluid pressure operating device according to claim 1, wherein the fluid pressure operating device is a cylinder device using compressed air as a working fluid, and the driving member is a piston rod. (3) A utility model according to claim 1, characterized in that a speed control valve is interposed in the working fluid supply/discharge path between the working fluid accumulating means and the fluid pressure operated device. Fluid pressure operated equipment. (4) A check valve mechanism is interposed between the throat of the ventilate tube and the insertion portion of the driving member to allow fluid to pass only from the insertion portion toward the throat. A fluid pressure operated device according to claim 1 of the utility model registration claim.