JPS6399083U - - Google Patents

Description

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

第１図はこの考案に係る操作速度制御装置の回
路図、第２図は要部の断面図、第３〜５図は該要
部の異なつた作動状態を示す断面図、第６図はシ
リンダへの取付の一例を示す一部断面図、第７図
は従来の装置の回路図、第８図は従来の速度制御
弁の外観図、第９図は従来のバイパス弁の外観図
である。 １…弁、２…弁軸、３…シリンダ、４…ピスト
ン、５…方向切換弁、６…圧力源、７，８…速度
制御弁、９…スプリング、１０…バイパス弁、１
１…ハンドル、１２…フイルター、１３…ストツ
プ弁、１４…機体、１５…第１ポート、１６…第
２ポート、１７…通路、１８…第１ニードル弁、
１９…第２ニードル弁、２０…第１チエツク弁、
２１…第２チエツク弁、２２…受圧側、２３…大
気圧側、２４…第３ポート、２５…バイパス通路
、２６…シリンダブロツク、２７…ガスケツト、
２８，２９…連通路。 Fig. 1 is a circuit diagram of the operating speed control device according to this invention, Fig. 2 is a sectional view of the main part, Figs. 3 to 5 are sectional views showing the main part in different operating states, and Fig. 6 is a cylinder. 7 is a circuit diagram of a conventional device, FIG. 8 is an external view of a conventional speed control valve, and FIG. 9 is an external view of a conventional bypass valve. DESCRIPTION OF SYMBOLS 1... Valve, 2... Valve shaft, 3... Cylinder, 4... Piston, 5... Directional switching valve, 6... Pressure source, 7, 8... Speed control valve, 9... Spring, 10... Bypass valve, 1
DESCRIPTION OF SYMBOLS 1...handle, 12...filter, 13...stop valve, 14...body, 15...first port, 16...second port, 17...passage, 18...first needle valve,
19...Second needle valve, 20...First check valve,
21...Second check valve, 22...Pressure receiving side, 23...Atmospheric pressure side, 24...Third port, 25...Bypass passage, 26...Cylinder block, 27...Gasket,
28, 29...Communication path.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一つの機体１４に第１ポート１５、第２ポート
１６並びに第３ポート２４を形成し、第１ポート
１５と第２ポート１６を接続する通路１７にニー
ドル弁１８，１９とチエツク弁２０，２１とから
なる２組の速度制御弁７，８を配設し、第２ポー
ト１６と第３ポート２４を接続するバイパス通路
５に該通路２５を断続するバイパス弁１０を配設
し、前記通路１７を断続するストツプ弁１３をバ
イパス弁１０に一体に形成し、第１ポート１５を
方向切換弁５に第２ポート１６をシリンダ３の受
圧側に、第３ポート２４をシリンダ３の大気圧側
にそれぞれ連結すると共に、流体圧力を受けてシ
リンダ３内を作動するピストン４を弁１の弁軸２
に連結したことを特徴とする弁の操作速度制御装
置。 A first port 15, a second port 16, and a third port 24 are formed in one body 14, and a passage 17 connecting the first port 15 and the second port 16 is provided with needle valves 18, 19 and check valves 20, 21. A bypass valve 10 is provided in the bypass passage 5 that connects the second port 16 and the third port 24 to connect the passage 25, and a bypass valve 10 is provided to connect the passage 25. An intermittent stop valve 13 is integrally formed with the bypass valve 10, the first port 15 is connected to the directional control valve 5, the second port 16 is connected to the pressure receiving side of the cylinder 3, and the third port 24 is connected to the atmospheric pressure side of the cylinder 3. The piston 4, which operates inside the cylinder 3 in response to fluid pressure, is connected to the valve shaft 2 of the valve 1.
A valve operation speed control device, characterized in that it is connected to a valve operating speed control device.