JPS63175368U - - Google Patents

Description

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

図は本考案になる空気圧操作弁の一実施例を示
す縦断面図である。 １……弁本体、２，３……弁座、１０……第１
シリンダー孔、１１……第２シリンダー孔、１２
……第１受圧ピストン、１３……第１受圧室、１
４……第１大気室、１７……第２受圧ピストン、
１８……第２受圧室、Ｓ_１……第１スプリング、
Ｓ_２……第２スプリング。 The figure is a longitudinal sectional view showing an embodiment of the pneumatically operated valve according to the present invention. 1... Valve body, 2, 3... Valve seat, 10... 1st
Cylinder hole, 11...Second cylinder hole, 12
...First pressure receiving piston, 13...First pressure receiving chamber, 1
4...First atmospheric chamber, 17...Second pressure receiving piston,
18...Second pressure receiving chamber, _S1 ...First spring,
_S2 ...Second spring.

Claims (1)

【実用新案登録請求の範囲】 (1) 弁本体１の上方に第１シリンダー孔１０と
第１シリンダー孔１０に連らなり第１シリンダー
孔１０より小径の第２シリンダー孔１１を穿設し
、第１シリンダー孔１０内には第１シリンダー孔
１０内を移動する第１受圧ピストン１２を配置し
、該第１受圧ピストン１２にて第１シリンダー孔
１０を内部に第１スプリンクＳ_１を縮設し大気に
連らなる第１大気室１４と圧縮空気の供給を受け
る第１受圧室１３とに区分すると共に、第２シリ
ンダー孔１１には第１受圧ピストン１２より小径
の第２受圧ピストン１７を移動自在に配置し、該
第２受圧ピストン１７にて第２シリンダー孔１１
内を内部に第２スプリングＳ_２を縮設し、大気に
連らなる第２大気室１９と圧縮空気の供給を受け
る第２受圧室１８に区分し、一方、弁本体１に設
けた複数の弁座２，３を開閉するよう前記弁座に
対応して配置された開閉弁２３，２５を連結杆２
４，２６を介して第１受圧ピストン１２、第２受
圧ピストン１７にそれぞれ連結してなる空気圧操
作弁。 (2) 前記第１受圧ピストン１２の中心と第２受
圧ピストン１７の中心とを略同一線上に配置して
なる実用新案登録請求の範囲第１項記載の空気圧
操作弁。 (3) 前記開閉弁２３，２５と第１、第２受圧ピ
ストン１２，１７とを連結する連結杆２４，２６
を第１、第２受圧ピストンの中心より側方へ略等
間隔Ｈをもつて配置してなる実用新案登録請求の
範囲第１項記載の空気圧操作弁。[Claims for Utility Model Registration] (1) A first cylinder hole 10 and a second cylinder hole 11 that is continuous with the first cylinder hole 10 and has a smaller diameter than the first cylinder hole 10 are bored above the valve body 1; A first pressure receiving piston 12 that moves within the first cylinder hole 10 is disposed within the first cylinder hole 10, and a first spring _S1 is compressed into the first cylinder hole 10 by the first pressure receiving piston 12. It is divided into a first atmospheric chamber 14 communicating with the atmosphere and a first pressure receiving chamber 13 receiving compressed air supply, and a second pressure receiving piston 17 having a smaller diameter than the first pressure receiving piston 12 is installed in the second cylinder hole 11. The second pressure receiving piston 17 is arranged to be movable, and the second pressure receiving piston 17 opens the second cylinder hole 11.
A second spring _S2 is compressed inside the valve body 1, and the valve body 1 is divided into a second atmospheric chamber 19 connected to the atmosphere and a second pressure receiving chamber 18 supplied with compressed air. Opening/closing valves 23 and 25 arranged corresponding to the valve seats 2 and 3 are connected to the connecting rod 2 so as to open and close the valve seats 2 and 3.
A pneumatically operated valve connected to the first pressure receiving piston 12 and the second pressure receiving piston 17 via pistons 4 and 26, respectively. (2) The pneumatically operated valve according to claim 1, wherein the center of the first pressure receiving piston 12 and the center of the second pressure receiving piston 17 are arranged substantially on the same line. (3) Connecting rods 24, 26 connecting the on-off valves 23, 25 and the first and second pressure receiving pistons 12, 17
The pneumatically operated valve according to claim 1, wherein the first and second pressure-receiving pistons are arranged at substantially equal intervals H laterally from the centers of the first and second pressure-receiving pistons.