JPH01178281U - - Google Patents

Description

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

第１図から第５図は、本考案の実施例を示して
いる。第１図から第３図は第１実施例を示し、第
１図はボンベバルブの縦断面図、第２図は、ガス
ボンベの運送又は保管中の状態を示す図であつて
、ボンベバルブの部分断面図、第３図は、動力駆
動式のガス供給用弁操作装置に手動式開弁操作具
を取り付けた状態を示す図であつて、ボンベバル
ブの部分断面図である。第４図は、第２実施例を
示し、ボンベバルブの縦断面図である。第５図は
、保護用弁体の変形例を示す部分図である。第６
図は、従来例を示し、ボンベバルブの縦断面図で
ある。 １……ボンベバルブ、２……弁本体、３……ガ
ス入口、４……ガス入口路、５……ガス供給用弁
室、６……ガス出口路、７……ガス出口、８……
ガス供給用弁体、９……ガス供給用弁操作装置、
１０……弁座、１１……保護用弁室、１２……保
護用弁体、１３……保護用弁操作装置、１４……
弁座、１８……流体圧シリンダ、１９……シリン
ダ本体、２０……ピストン、２１……流体圧作動
室、２２……バネ室、２３……閉弁バネ、５０…
…流体圧シリンダ、５１……シリンダ本体、５３
．５４……流体圧作動室、５５，５６……ピスト
ン部分、５７……ピストン、５８……連通路。 1 to 5 show embodiments of the invention. Figures 1 to 3 show the first embodiment, Figure 1 is a longitudinal sectional view of the cylinder valve, and Figure 2 is a diagram showing the state of the gas cylinder during transportation or storage, showing a portion of the cylinder valve. The sectional view, FIG. 3, is a partial sectional view of the cylinder valve, showing a state in which a manual valve opening operating tool is attached to a power-driven gas supply valve operating device. FIG. 4 shows a second embodiment and is a longitudinal sectional view of a cylinder valve. FIG. 5 is a partial view showing a modification of the protective valve body. 6th
The figure shows a conventional example and is a vertical sectional view of a cylinder valve. DESCRIPTION OF SYMBOLS 1...Cylinder valve, 2...Valve body, 3...Gas inlet, 4...Gas inlet path, 5...Gas supply valve chamber, 6...Gas outlet path, 7...Gas outlet, 8...
Gas supply valve body, 9... gas supply valve operating device,
10... Valve seat, 11... Protective valve chamber, 12... Protective valve body, 13... Protective valve operating device, 14...
Valve seat, 18...Fluid pressure cylinder, 19...Cylinder body, 20...Piston, 21...Fluid pressure operating chamber, 22...Spring chamber, 23...Valve closing spring, 50...
...Fluid pressure cylinder, 51...Cylinder body, 53
．． 54...Fluid pressure working chamber, 55, 56...Piston portion, 57...Piston, 58...Communication path.

Claims (1)

【実用新案登録請求の範囲】 １ ボンベバルブ１の弁本体２内で、ガス入口３
にガス入口路４・ガス供給用弁室５・及びガス出
口路６を介してガス出口７を連通し、 ガス供給用弁室５にガス供給用弁体８を設け、
このガス供給用弁体８をガス供給用弁操作装置９
でガス供給用弁室５の弁座１０に対して開閉操作
可能に構成したガスボンベのボンベバルブにおい
て、 ボンベバルブ１の弁本体２内でガス出口路６に
保護用弁室１１を介在させ、保護用弁室１１に保
護用弁体１２を設け、保護用弁体１２を保護用弁
操作装置１３で保護用弁室１１の弁座１４に対し
て開閉操作可能に構成したことを特徴とするガス
ボンベのボンベバルブ。 ２ ガス供給用弁操作装置９が動力駆動式のもの
であるのに対し、保護用弁操作装置１３が手動操
作式のものである実用新案登録請求の範囲第１項
に記載のガスボンベのボンベバルブ。 ３ ガス供給用弁操作装置９を弁本体２の周側部
に横向きに設けるのに対し、保護用弁操作装置１
３を弁本体２の上側部に縦向きに設けた実用新案
登録請求の範囲第１項または第２項に記載のガス
ボンベのボンベバルブ。 ４ ガス供給用弁操作装置９は、単動式バネ作動
形の流体圧シリンダ１８を備え、流体圧シリンダ
１８のシリンダ本体１９を前記の弁本体２に固設
し、 シリンダ本体１９内で、前記のガス供給用弁体
８に近い側から順に流体圧作動室２１・ピストン
２０・バネ室２２を設け、ピストン２０をガス供
給用弁体８に連動連結するとともに、バネ室２２
に圧縮バネからなる閉弁バネ２３を装着し、 閉弁バネ２３でピストン２０を介してガス供給
用弁体８を閉弁側の位置へ弾圧するのに対し、 流体圧作動室２１内へ供給される圧力流体で、
ピストン２０を閉弁バネ２３に抗して開弁側の位
置へ復帰作動させることにより、ガス供給用弁体
８を開弁可能に構成した実用新案登録請求の範囲
第２項に記載のガスボンベのボンベバルブ。 ５ 流体圧シリンダ５０のシリンダ本体５１内に
、複数の流体圧作動室５３，５４を直列状に区画
形成し、これら流体圧作動室５３，５４にそれぞ
れ挿入したピストン部分５５，５６同士を直列状
に連接してピストン５７を構成し、流体圧作動室
５３，５４同士をピストン５７内に形成した連通
路５８で連通した実用新案登録請求の範囲第４項
に記載のガスボンベのボンベバルブ。[Scope of claim for utility model registration] 1. In the valve body 2 of the cylinder valve 1, the gas inlet 3
A gas outlet 7 is communicated with the gas inlet passage 4, a gas supply valve chamber 5, and a gas outlet passage 6, and a gas supply valve body 8 is provided in the gas supply valve chamber 5.
This gas supply valve body 8 is connected to a gas supply valve operating device 9.
In the cylinder valve of a gas cylinder configured to be able to open and close with respect to the valve seat 10 of the gas supply valve chamber 5, a protective valve chamber 11 is interposed in the gas outlet passage 6 in the valve body 2 of the cylinder valve 1, and the protective valve chamber 11 is provided for protection. A gas cylinder characterized in that a protective valve body 12 is provided in a protective valve chamber 11, and the protective valve body 12 can be opened and closed with respect to a valve seat 14 of the protective valve chamber 11 by a protective valve operation device 13. cylinder valve. 2. The cylinder valve of the gas cylinder according to claim 1, wherein the gas supply valve operating device 9 is a power-driven type, whereas the protective valve operating device 13 is a manually operated type. . 3. Whereas the gas supply valve operating device 9 is provided horizontally on the peripheral side of the valve body 2, the protective valve operating device 1
3 is provided vertically on the upper side of the valve body 2. The cylinder valve for a gas cylinder according to claim 1 or 2 of the utility model registration claim. 4. The gas supply valve operation device 9 includes a single-acting spring-actuated fluid pressure cylinder 18, the cylinder body 19 of the fluid pressure cylinder 18 is fixed to the valve body 2, and within the cylinder body 19, the A fluid pressure working chamber 21, a piston 20, and a spring chamber 22 are provided in order from the side closest to the gas supply valve body 8, and the piston 20 is interlocked and connected to the gas supply valve body 8, and the spring chamber 22
A valve-closing spring 23 made of a compression spring is attached to the valve-closing spring 23, and the valve-closing spring 23 presses the gas supply valve element 8 to the valve-closing position via the piston 20, while supplying gas into the fluid pressure working chamber 21. The pressure fluid that is
The gas cylinder according to claim 2 of the utility model registration is configured such that the gas supply valve body 8 can be opened by returning the piston 20 to the valve-opening position against the valve-closing spring 23. cylinder valve. 5 A plurality of fluid pressure working chambers 53 and 54 are formed in series in the cylinder body 51 of the fluid pressure cylinder 50, and piston portions 55 and 56 inserted into these fluid pressure working chambers 53 and 54 are arranged in series. A cylinder valve for a gas cylinder according to claim 4, wherein a piston 57 is connected to the piston 57, and the fluid pressure working chambers 53 and 54 are communicated with each other through a communication passage 58 formed in the piston 57.