JPS633513Y2 - - Google Patents
Info
- Publication number
- JPS633513Y2 JPS633513Y2 JP10653980U JP10653980U JPS633513Y2 JP S633513 Y2 JPS633513 Y2 JP S633513Y2 JP 10653980 U JP10653980 U JP 10653980U JP 10653980 U JP10653980 U JP 10653980U JP S633513 Y2 JPS633513 Y2 JP S633513Y2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- plug
- hole
- gas
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000005192 partition Methods 0.000 claims description 27
- 238000012856 packing Methods 0.000 description 9
- 238000009423 ventilation Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Safety Valves (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Description
【考案の詳細な説明】
本考案は一定以上の流量のガスの流れが生じた
とき安全弁が作動する安全弁付ガス接続具に関す
るものである。[Detailed Description of the Invention] The present invention relates to a gas connection device with a safety valve that operates when a gas flow of a certain flow rate or more occurs.
近年、ガス流路に一定以上の流量のガスが流れ
たとき弁体にて弁孔を閉じてガスの流れを遮断す
る安全弁を設けるようになつてきたが、安全弁が
が作動した後安全弁を復帰するには安全弁より元
栓がわの接続を遮断してガス流路内のガスを抜か
なければならなく、復帰の操作が複雑であつた。 In recent years, safety valves have been installed that close the valve hole with a valve body and cut off the flow of gas when a certain amount of gas flows through the gas flow path, but it is difficult to restore the safety valve after the safety valve is activated. In order to do so, it was necessary to disconnect the main valve from the safety valve and vent the gas in the gas flow path, making the return operation complicated.
本考案は叙述の点に鑑みてなされたものであつ
て、本考案の目的とするところは、ガス接続具よ
りガス流出側にてゴム管外れやゴム管破れが生じ
て一定以上の流量のガスの流れが生じても弁体が
作動してガスの流通が遮断されるのは勿論、ガス
接続具のソケツトとプラグとの接続を外して栓体
にて出口が閉成されたとき弁棒により通気孔が開
放されて安全弁の弁体が自動的に復帰して復帰が
たやすくできる安全弁付ガス接続具を提供するに
ある。 The present invention has been developed in view of the above points, and the purpose of the present invention is to prevent the occurrence of rubber tube disconnection or rubber tube rupture on the gas outlet side from the gas connector, and to prevent gas from flowing beyond a certain level. Of course, even if a flow occurs, the valve body operates and gas flow is cut off, and when the socket of the gas connector and the plug are disconnected and the outlet is closed by the valve body, the valve stem operates. To provide a gas connection device with a safety valve which can be easily restored by automatically returning the valve body of the safety valve when a vent hole is opened.
以下本考案を詳細に説明する。 The present invention will be explained in detail below.
本考案安全弁付ガス接続具は、ガス接続具Ａの
ソケツトA1とプラグA2を接続したときソケツト
A1の押棒４２にて押圧されて閉成用のばね１７
に抗して開成される栓体１３をプラグA2の出口
１１に設け、上記出口１１に連通するプラグA2
内のガス流路Ｂに上記栓体１３よりガス流入側で
仕切り壁４を設け、仕切り壁４に弁孔１を形成
し、弁孔１よりガス流入側に通孔５０を有する弁
体取付部４９を設け、弁孔１を閉塞し得る弁部４
７を有する弁体２を弁孔１と弁体取付部４９との
間に配置すると共に弁体２の摺動棒４６を上記弁
体取付部４９に摺動自在に装着して弁体２の摺動
にて弁孔１を開閉自在にし、弁体２の弁部４７に
かかるガスの圧力が一定以下のとき弁部４７が弁
孔１から離間するするように付勢するばね５２を
弁体取付部４９と摺動棒４６との間に介装し、プ
ラグA2内のガス流路Ｂにおける出口１１と仕切
り壁４との間の部分と仕切り壁４よりガス流入側
の部分とを連通させるバイパスの通気孔２５を形
成し、弁棒２９の一端を上記栓体１３に連結する
と共に弁棒２９の他端を栓体１３の開成時通気孔
２５が閉塞され且つ栓体１３の閉成時通気孔２５
が開放されるように通気孔２５に摺動自在に挿通
したものであつて、上述のように構成することに
より従来例の問題を解決したものである。つま
り、出口１１に連通するプラグA2内のガス流路
Ｂに上記栓体１３よりガス流入側で仕切り壁４を
設け、仕切り壁４に弁孔１を形成し、弁孔１より
ガス流入側に通孔５０を有する弁体取付部４９を
設け、弁孔１を閉塞し得る弁部４７を有する弁体
２を弁孔１と弁体取付部４９との間に配置すると
共に弁体２の摺動棒４６を上記弁体取付部４９に
摺動自在に装着して弁体２の摺動にて弁孔１を開
閉自在にし、弁体２の弁部４７にかかるガスの圧
力が一定以下のとき弁部４７が弁孔１から離間す
るするように付勢するばね５２を弁体取付部４９
と摺動棒４６との間に介装したことにより、プラ
グA2をソケツトA1に接続した状態で一定以下の
流量のガスが流れたときは弁体２の弁部４７がば
ね５２にて弁孔１から離間させられており、弁孔
１を介してガスが供給され、またゴム管外れやゴ
ム管破れにて一定以上の流量が流れたとき弁部４
７に一定以上の圧力がかかつてばね５２に抗して
弁部４７が移動して弁部４７にて弁孔１が閉塞さ
れてガスの流れが遮断されるものであつて、ガス
接続具ＡのプラグA2に安全弁を設けて安全に使
用できるようになり、しかもプラグA2内のガス
流路Ｂにおける出口１１と仕切り壁４との間の部
分と仕切り壁４よりガス流入側の部分とを連通さ
せるバイパスの通気孔２５を形成し、弁棒２９の
一端を上記栓体１３に連結すると共に弁棒２９の
他端を栓体１３の開成時通気孔２５が閉塞され且
つ栓体１３の閉成時通気孔２５が開放されるよう
に通気孔２５に摺動自在に挿通したことにより、
安全弁が作動して弁体２の弁部４７が弁孔１を閉
塞したとき、ソケツトA1をプラグA2から外すと
栓体１３が出口１１を閉じ、栓体１３の移動にて
弁棒２９が移動して通気孔２５が開放され、ガス
流路Ｂにおける出口１１と仕切り壁４との間の部
分と仕切り壁４よりガス流入側の部分との圧力が
同じになつて、ばね５２にて弁体２が移動して弁
部４７が弁孔１から離れ、安全弁が復帰されるも
のであつて、簡単な操作にて安全弁を復帰できる
ようになつた。 The gas fitting with a safety valve of the present invention has a socket when connecting socket A 1 and plug A 2 of gas fitting A.
A closing spring 17 is pressed by the push rod 42 of A1 .
A stopper 13 that opens against the pressure is provided at the outlet 11 of the plug A 2 , and the plug A 2 communicates with the outlet 11.
A valve body mounting portion is provided with a partition wall 4 on the gas inflow side from the stopper body 13 in the gas flow path B in the interior, a valve hole 1 is formed in the partition wall 4, and a through hole 50 is provided on the gas inflow side from the valve hole 1. 49, and a valve portion 4 capable of closing the valve hole 1.
7 is disposed between the valve hole 1 and the valve body mounting part 49, and the sliding rod 46 of the valve body 2 is slidably attached to the valve body mounting part 49, so that the valve body 2 is The valve body is equipped with a spring 52 that slides to freely open and close the valve hole 1 and biases the valve portion 47 away from the valve hole 1 when the pressure of gas applied to the valve portion 47 of the valve body 2 is below a certain level. It is interposed between the mounting part 49 and the sliding rod 46, and communicates the part between the outlet 11 and the partition wall 4 in the gas flow path B in the plug A 2 with the part on the gas inflow side from the partition wall 4. One end of the valve stem 29 is connected to the plug 13, and the other end of the valve rod 29 is connected so that when the plug 13 is opened, the ventilation hole 25 is closed and the plug 13 is closed. Hour ventilation hole 25
The vent hole 25 is slidably inserted into the vent hole 25 so that the vent hole 25 is opened, and the problem of the conventional example is solved by configuring it as described above. That is, a partition wall 4 is provided in the gas passage B in the plug A 2 communicating with the outlet 11 on the gas inflow side from the plug body 13, a valve hole 1 is formed in the partition wall 4, and the gas flow path B is formed on the gas inflow side from the valve hole 1. A valve body mounting portion 49 having a through hole 50 is provided in the valve body, and a valve body 2 having a valve portion 47 capable of closing the valve hole 1 is disposed between the valve hole 1 and the valve body mounting portion 49. The sliding rod 46 is slidably attached to the valve body mounting part 49, and the valve hole 1 can be opened and closed by sliding of the valve body 2, so that the pressure of the gas applied to the valve part 47 of the valve body 2 is below a certain level. The spring 52 that biases the valve portion 47 away from the valve hole 1 when the valve body mounting portion 49
and the sliding rod 46, the valve portion 47 of the valve body 2 is activated by the spring 52 when gas flows at a flow rate below a certain level with the plug A2 connected to the socket A1. It is spaced apart from the valve hole 1, and when gas is supplied through the valve hole 1, and when a flow rate of more than a certain level flows due to the rubber tube coming off or the rubber tube breaking, the valve portion 4
When a pressure above a certain level is applied to 7, the valve part 47 moves against the spring 52, and the valve hole 1 is closed by the valve part 47, and the flow of gas is cut off. A safety valve is installed on the plug A 2 so that it can be used safely, and the part between the outlet 11 and the partition wall 4 in the gas flow path B in the plug A 2 and the part on the gas inflow side from the partition wall 4 One end of the valve stem 29 is connected to the plug 13, and the other end of the valve rod 29 is connected so that when the plug 13 is opened, the ventilation hole 25 is closed and the plug 13 is closed. By slidingly inserting the vent hole 25 so that the vent hole 25 is open when closed,
When the safety valve operates and the valve portion 47 of the valve body 2 closes the valve hole 1, when the socket A1 is removed from the plug A2 , the plug body 13 closes the outlet 11, and the movement of the plug body 13 closes the valve stem 29. moves, the vent hole 25 is opened, and the pressure in the part between the outlet 11 and the partition wall 4 in the gas flow path B becomes the same as that in the part on the gas inflow side from the partition wall 4, and the spring 52 The valve element 2 is moved, the valve part 47 is separated from the valve hole 1, and the safety valve is returned to its original position, and the safety valve can now be returned to its original position with a simple operation.
次に本考案を実施例によりさらに具体的に説明
する。 Next, the present invention will be explained in more detail with reference to Examples.
ガス接続具ＡはソケツトA1とプラグA2とによ
り構成され、ソケツトA1とプラグA2とが着脱自
在に連結されるようになつている。プラグA2は
先端側筒部６と本体部７とにより構成され、先端
側筒部６の嵌合筒部８ａを本体部７の被嵌筒部８
ｂに嵌着して一体化されている。先端側筒部６の
先端外周には球帯面９を設けてあり、球帯面９の
基部側の外周にはＶ字状溝部１０を設けてある。
先端側筒部６の先端には出口１１を設けてあり、
出口１１からプラグA2の本体部７の入口までの
間にガス流路Ｂを形成してある。本実施例の場合
ガス流路Ｂは出口側の横ガス流路B1と、この横
ガス流路B1に連続する縦ガス流路B2と縦ガス流
路B2と入口との間の傾斜ガス流路B3とにより構
成されている。先端側筒部６の先端の出口１１の
内部側には鋭角突起を周設して受座１２を形成し
てあり、受座１２に対向するように内部には栓体
１３を配設してあつて、栓体１３の先端面に周設
したパツキン１４が受座１２に密着し得るように
なつている。栓体１３のばね受部１５と本体部７
の先端のばね受部分１６との間にばね１７を介装
してあつて、栓体１３にて出口１１を閉塞する方
向に付勢してある。ガス流路Ｂの縦ガス流路B2
には仕切り壁４を設けてあり、仕切り壁４に弁孔
１を穿孔してある。この弁孔１に対向するように
弁体２を配設してある。この弁体２が合成樹脂等
にて形成されており、摺動棒４６の一端に椀状の
弁部４７を設け、摺動棒４６の他端にばね受け４
８を設けて形成されている。仕切り壁４の下方に
は弁体取付部４９を設けてあり、弁体取付部４９
の外周には通孔５０を穿孔してあつて、弁体取付
部４９の略中央には摺動孔５１を設けてある。こ
の摺動孔５１には弁体２の摺動棒４６を摺動自在
に挿通してあり、弁体取付部４９と弁体２のばね
受け４８との間にはばね５２を介装してある。ガ
ス流路Ｂにおける出口１１と仕切り壁４との間の
部分である横ガス流路B1と仕切り壁４よりガス
流入側の部分である傾斜ガス流路B3との間には
バイパスの通気孔２５を穿孔してあり、通気孔２
５の大径孔２５ａにシール用のＯリング５３を介
してＯリングガイド筒５４を装着してあり、Ｏリ
ングガイド筒５４の内周にシール用のＯリング２
６を設けてある。弁棒２９の一端は栓体１３に連
結してあり、弁棒２９の他端は通気孔２５内のＯ
リング２６内に出入自在に挿通してある。本体部
７の入口の内周には弾性体よりなるシール筒２２
を内装してあつて、ガス配管のガス取出用口金２
３をシール筒２２内に圧入して接続できるように
なつている。ソケツトA1はソケツト内筒３０、
ソケツト外筒３１、操作環３２、ベロー状パツキ
ン４１、押棒４２、コイルばね３３，３８等によ
り構成されている。ソケツト内筒３０内にはベロ
ー状パツキン４１を内装してあり、ベロー状パツ
キン４１はベローパツキン４１の外周に巻回した
コイルばね３３にて伸長されている。ベロー状パ
ツキン４１の一端の外周には金属環３４を周設し
てあり、金属環３４のある端面には帯状リング部
３５を周設してある。ソケツト内筒３０には透孔
３６を複数個穿孔してあつて、透孔３６に球３７
を遊嵌してある。ソケツト内筒３０の外周にはソ
ケツト外筒３１を被嵌してあつて、ソケツト内筒
３０とソケツト外筒３１との間に操作環３２を摺
動自在に取付けてある。ソケツト外筒３１と操作
環３２との間には操作環３２を復帰させるコイル
ばね３８を介装してあり、操作環３２の内周の段
部３９が球３７に係当している。ここで４０はソ
ケツトA1にプラグA2を接続したときコイルばね
３８のばね力により段部３９が係当する突環部で
ある。 The gas connector A is composed of a socket A1 and a plug A2 , and the socket A1 and the plug A2 are detachably connected. The plug A 2 is composed of a distal end cylinder part 6 and a main body part 7, and the fitting cylinder part 8a of the distal end cylinder part 6 is connected to the fitted cylinder part 8 of the main body part 7.
It is fitted into and integrated with b. A spherical band surface 9 is provided on the outer periphery of the distal end of the distal end side cylinder portion 6, and a V-shaped groove portion 10 is provided on the outer periphery of the spherical band surface 9 on the base side.
An outlet 11 is provided at the tip of the tip side cylinder portion 6,
A gas flow path B is formed between the outlet 11 and the inlet of the main body 7 of the plug A2 . In the case of this embodiment, the gas flow path B includes a horizontal gas flow path B1 on the outlet side, a vertical gas flow path B2 continuous to the horizontal gas flow path B1, and a vertical gas flow path B2 between the vertical gas flow path B2 and the inlet. It is composed of an inclined gas flow path B3 . An acute-angled protrusion is provided around the inside of the outlet 11 at the tip of the tip-side cylindrical portion 6 to form a seat 12, and a stopper 13 is disposed inside so as to face the seat 12. The seal 14 provided around the distal end surface of the stopper 13 can be brought into close contact with the seat 12. Spring receiving part 15 of plug body 13 and main body part 7
A spring 17 is interposed between the spring receiving portion 16 at the tip of the spring 17, and the plug body 13 is biased in a direction to close the outlet 11. Vertical gas flow path B 2 of gas flow path B
A partition wall 4 is provided in the partition wall 4, and a valve hole 1 is bored in the partition wall 4. A valve body 2 is disposed to face the valve hole 1. This valve body 2 is made of synthetic resin or the like, and a bowl-shaped valve portion 47 is provided at one end of a sliding rod 46, and a spring receiver 4 is provided at the other end of the sliding rod 46.
8. A valve body mounting portion 49 is provided below the partition wall 4.
A through hole 50 is bored in the outer periphery of the valve body mounting portion 49, and a sliding hole 51 is provided approximately in the center of the valve body mounting portion 49. The sliding rod 46 of the valve body 2 is slidably inserted into the sliding hole 51, and a spring 52 is interposed between the valve body mounting portion 49 and the spring receiver 48 of the valve body 2. be. A bypass passage is provided between the horizontal gas passage B1, which is the part of the gas passage B between the outlet 11 and the partition wall 4 , and the inclined gas passage B3 , which is the part on the gas inflow side from the partition wall 4. The air holes 25 are perforated, and the air holes 2
An O-ring guide tube 54 is attached to the large-diameter hole 25a of No. 5 through an O-ring 53 for sealing.
6 is provided. One end of the valve stem 29 is connected to the stopper 13, and the other end of the valve stem 29 is connected to the O in the vent hole 25.
It is inserted into the ring 26 so as to be freely removable. A seal cylinder 22 made of an elastic material is provided on the inner periphery of the inlet of the main body 7.
is installed internally, and the gas outlet fitting 2 of the gas piping is installed.
3 can be press-fitted into the seal cylinder 22 and connected. The socket A1 has a socket inner cylinder 30,
It is composed of a socket outer cylinder 31, an operating ring 32, a bellows-shaped packing 41, a push rod 42, coil springs 33, 38, and the like. A bellows-shaped packing 41 is housed inside the socket inner cylinder 30, and the bellows-shaped packing 41 is extended by a coil spring 33 wound around the outer circumference of the bellows-shaped packing 41. A metal ring 34 is provided around the outer periphery of one end of the bellows-shaped packing 41, and a band-shaped ring portion 35 is provided around the end surface where the metal ring 34 is located. A plurality of through holes 36 are bored in the socket inner cylinder 30, and balls 37 are inserted into the through holes 36.
is loosely fitted. A socket outer cylinder 31 is fitted onto the outer periphery of the socket inner cylinder 30, and an operating ring 32 is slidably attached between the socket inner cylinder 30 and the socket outer cylinder 31. A coil spring 38 for returning the operating ring 32 is interposed between the socket outer cylinder 31 and the operating ring 32, and a stepped portion 39 on the inner circumference of the operating ring 32 engages the ball 37. Here, 40 is a protruding ring portion with which the stepped portion 39 is engaged by the spring force of the coil spring 38 when the plug A 2 is connected to the socket A 1 .
しかしてプラグA2を配管に接続しソケツトA1
をガス器具のゴムホースに接続した状態で、プラ
グA2の先端をソケツトA1のソケツト内筒３０内
に挿入するとプラグA2の先端の球帯面９がベロ
ー状パツキン４１の帯状リング部３５に圧接して
気密を保持し、さらにコイルばね３３に抗してベ
ロー状パツキン４１を押し縮めつつプラグA2を
ソケツト内筒３０内に圧入すると押棒４２にて栓
体１３が後退せしめられ出口１１が開成され、ガ
スがプラグA2及びソケツトA1を介して移流し得
るようになり、一方透孔３６内の球３７がプラグ
A2の先端のＶ字状溝部１０の落込んで係止し、
操作環３２がコイルばね３８にて押圧されて球３
７の抜け止めをすると共に段部３９が突環部４０
に係当し、ソケツトA1とプラグA2とが連結され
る。ガス器具を使用すると、弁孔１、出口１１、
ソケツトA1のベロー状パツキン４１内を介して
ガスが流れる。ガス器具を使用しているときはガ
スの流量が少ないので弁孔１を介してガスが流れ
て弁体２が移動しない。ところでソケツトA1よ
りガス器具側でゴム管が破れたりゴム管が外れた
りしてガスが漏れた場合弁孔１よりガス流出側が
減圧されてガス流入側とガス流出側との圧力差を
生じ、この圧力差により弁体２がばね５２に抗し
て移動して弁部４７が弁孔１を閉塞してガスの移
流を遮断する安全弁の作用をする。ソケツトA1
とプラグA2とが接続されている状態では栓体１
３が開成され、弁棒２９が通気孔２５のＯリング
２６内に入つていて通気孔２５が閉塞されてい
る。ソケツトA1とプラグA2との接続を外すにあ
たつては操作環３２をコイルばね３８に抗して押
し戻し、プラグA2を引抜く。すると透孔３６内
に球３７が戻つて段部３９に当たり、ベロー状パ
ツキン４１が伸長し、一方栓体１３がばね１７に
て戻つて受座１２に当接されて出口１１が閉成さ
れる。ソケツトA1とプラグA2とを外すと、栓体
１３が戻つて受座１２に密着し、弁棒２９の先端
がＯリング２６から抜け、通気孔２５を介してガ
スが流入して弁孔１よりガス流入側部分とガス流
出側部分との間の圧力差がなくなり、ばね５２の
力で弁体２の弁部４７が弁孔１から離れ、安全弁
が復帰する。 Then plug A2 is connected to the piping and socket A1 is connected to the
When the tip of the plug A2 is inserted into the socket inner cylinder 30 of the socket A1 with the plug A2 connected to the rubber hose of the gas appliance, the spherical surface 9 of the tip of the plug A2 is pressed against the band-shaped ring portion 35 of the bellows-like packing 41 to maintain airtightness. When the plug A2 is pressed into the socket inner cylinder 30 while compressing the bellows-like packing 41 against the coil spring 33, the plug body 13 is moved backward by the push rod 42, the outlet 11 is opened, and gas can be transferred through the plug A2 and the socket A1 . Meanwhile, the ball 37 in the through hole 36 is pressed against the plug A2.
A 2 is engaged by being dropped into the V-shaped groove 10 at the tip thereof.
The operating ring 32 is pressed by the coil spring 38 to move the ball 3
7 is prevented from coming off, and the step portion 39 is formed into the protruding ring portion 40
The socket A1 and the plug A2 are connected to each other. When the gas appliance is used, the valve hole 1, the outlet 11,
Gas flows through bellows-like packing 41 of socket A1 . When a gas appliance is in use, the gas flow rate is low, so gas flows through valve hole 1 and valve body 2 does not move. However, if the rubber tube breaks or comes off on the gas appliance side of socket A1 and gas leaks, the gas outlet side is depressurized through valve hole 1, creating a pressure difference between the gas inlet side and the gas outlet side. This pressure difference causes valve body 2 to move against spring 52, and valve part 47 closes valve hole 1, acting as a safety valve that cuts off gas transfer. Socket A1
When the plug A 2 is connected to the plug 1,
When valve 3 is opened, the stem 29 is in the O-ring 26 of the vent hole 25, closing the vent hole 25. To disconnect socket A1 from plug A2 , the operating ring 32 is pushed back against the coil spring 38, and plug A2 is pulled out. Then, ball 37 returns into through hole 36 and hits step 39, expanding bellows-like packing 41, while plug 13 returns by spring 17 and hits seat 12, closing outlet 11. When the socket A1 and plug A2 are removed, the plug body 13 returns to its original position and fits tightly against the seat 12, the tip of the valve stem 29 comes out of the O-ring 26, gas flows in through the vent hole 25, the pressure difference between the gas inlet and outlet sides of the valve hole 1 disappears, the valve part 47 of the valve body 2 moves away from the valve hole 1 by the force of the spring 52, and the safety valve returns to its original position.
本考案は叙述の如く出口に連通するプラグ内の
ガス流路に上記栓体よりガス流入側で仕切り壁を
設け、仕切り壁に弁孔を形成し、弁孔よりガス流
入側に通孔を有する弁体取付部を設け、弁孔を閉
塞し得る弁部を有する弁体を弁孔と弁体取付部と
の間に配置すると共に弁体の摺動棒を上記弁体取
付部に摺動自在に装着して弁体の摺動にて弁孔を
開閉自在にし、弁体の弁部にかかるガスの圧力が
一定以下のとき弁部が弁孔から離間するするよう
に付勢するばねを弁体取付部と摺動棒との間に介
装したので、プラグをソケツトに接続した状態で
一定以下の流量のガスが流れたときは弁体の弁部
がばねにて弁孔から離間させられており、弁孔を
介してガスが供給され、またゴム管外れやゴム管
破れにて一定以上の流量が流れたとき弁部に一定
以上の圧力がかかつてばねに抗して弁部が移動し
て弁部にて弁孔が閉塞されてガスの流れが遮断さ
れるものであつて、ガス接続具のプラグに安全弁
を設けて極めて安全に使用できるものであり、し
かもプラグ内のガス流路における出口と仕切り壁
との間の部分と仕切り壁よりガス流入側の部分と
を連通させるバイパスの通気孔を形成し、弁棒の
一端を栓体に連結すると共に弁棒の他端を栓体の
開成時通気孔が閉塞され且つ栓体の閉成時通気孔
が開放されるように通気孔に摺動自在に挿通した
ので、安全弁が作動して弁体の弁部が弁孔を閉塞
したとき、ソケツトをプラグから外すと栓体が出
口を閉じ、栓体の移動にて弁棒が移動して通気孔
が開放され、ガス流路における出口と仕切り壁と
の間の部分と仕切り壁よりガス流入側の部分との
圧力が同じになつて、ばねにて弁体が移動して弁
部が弁孔から離れ、安全弁が復帰されるものであ
つて、従来に比べて遥かに簡単な操作にて安全弁
を復帰できるものである。 As described above, the present invention includes providing a partition wall on the gas inflow side of the plug body in the gas flow path in the plug that communicates with the outlet, forming a valve hole in the partition wall, and having a through hole on the gas inflow side from the valve hole. A valve body mounting part is provided, and a valve body having a valve part capable of closing the valve hole is disposed between the valve hole and the valve body mounting part, and a sliding rod of the valve body is freely slidable in the valve body mounting part. The valve is attached to the valve so that the valve hole can be opened and closed by the sliding of the valve body, and the spring that biases the valve part to move away from the valve hole when the pressure of the gas applied to the valve part of the valve body is below a certain level is attached to the valve body. Since it is interposed between the body mounting part and the sliding rod, when gas flows at a flow rate below a certain level with the plug connected to the socket, the valve part of the valve body is moved away from the valve hole by the spring. Gas is supplied through the valve hole, and when the flow rate exceeds a certain level due to the rubber tube coming off or breaking, pressure above a certain level is applied to the valve section and the valve section moves against the spring. The valve hole is closed in the valve part and the flow of gas is cut off, and the plug of the gas connection device is equipped with a safety valve, so it can be used extremely safely, and the gas flow path inside the plug is A bypass vent hole is formed that communicates the part between the outlet and the partition wall with the part on the gas inflow side from the partition wall, and one end of the valve rod is connected to the plug body, and the other end of the valve rod is connected to the plug body. The safety valve was activated and the valve portion of the valve body closed the valve hole because the valve body was slidably inserted into the vent hole so that the vent hole was blocked when the valve body was opened and the vent hole was opened when the plug body was closed. When the socket is removed from the plug, the stopper closes the outlet, and as the stopper moves, the valve stem moves to open the vent, and the part between the outlet and the partition wall in the gas flow path and from the partition wall. When the pressure becomes the same as that on the gas inlet side, the valve body is moved by a spring, and the valve part is separated from the valve hole, and the safety valve is returned to its original position.It is a much simpler operation than the conventional one. The safety valve can be reset by
第１図は本考案安全弁付ガス接続具の一実施例
の一部省略断面図、第２図は同上のプラグの断面
図、第３図は同上の弁棒にて通気孔を閉塞した状
態の断面図であつて、Ａはガス接続具、A1はソ
ケツト、A2はプラグ、Ｂはガス流路、１は弁孔、
２は弁体、４は仕切り壁、１１は出口、１３は栓
体、１７はばね、２５は通気孔、２９は弁棒、４
２は押棒、４６は摺動棒、４７は弁部、５２はば
ねである。
Fig. 1 is a partially omitted cross-sectional view of an embodiment of the gas connection device with a safety valve of the present invention, Fig. 2 is a cross-sectional view of the same plug, and Fig. 3 is a state in which the vent hole is closed with the same valve stem. In the cross-sectional view, A is a gas connection, A1 is a socket, A2 is a plug, B is a gas flow path, 1 is a valve hole,
2 is a valve body, 4 is a partition wall, 11 is an outlet, 13 is a plug body, 17 is a spring, 25 is a ventilation hole, 29 is a valve stem, 4
2 is a push rod, 46 is a sliding rod, 47 is a valve portion, and 52 is a spring.
Claims (1)
ソケツトの押棒にて押圧されて閉成用のばねに抗
して開成される栓体をプラグの出口に設け、上記
出口に連通するプラグ内のガス流路に上記栓体よ
りガス流入側で仕切り壁を設け、仕切り壁に弁孔
を形成し、弁孔よりガス流入側に通孔を有する弁
体取付部を設け、弁孔を閉塞し得る弁部を有する
弁体を弁孔と弁体取付部との間に配置すると共に
弁体の摺動棒を上記弁体取付部に摺動自在に装着
して弁体の摺動にて弁孔を開閉自在にし、弁体の
弁部にかかるガスの圧力が一定以下のとき弁部が
弁孔から離間するするように付勢するばねを弁体
取付部と摺動棒との間に介装し、プラグ内のガス
流路における出口と仕切り壁との間の部分と仕切
り壁よりガス流入側の部分とを連通させるバイパ
スの通気孔を形成し、弁棒の一端を上記栓体に連
結すると共に弁棒の他端を栓体の開成時通気孔が
閉塞され且つ栓体の閉成時通気孔が開放されるよ
うに通気孔に摺動自在に挿通して成る安全弁付ガ
ス接続具。 When the socket of the gas connection device and the plug are connected, a stopper is provided at the outlet of the plug that is pressed by the push rod of the socket and opened against the closing spring, and the gas flow in the plug that communicates with the outlet is provided. A valve part that can close the valve hole by providing a partition wall in the passageway on the gas inflow side from the plug body, forming a valve hole in the partition wall, and providing a valve body mounting part having a through hole on the gas inflow side from the valve hole. A valve body having a diameter is placed between the valve hole and the valve body mounting part, and a sliding rod of the valve body is slidably attached to the valve body mounting part, and the valve hole is opened and closed by sliding of the valve body. A spring is interposed between the valve body mounting part and the sliding rod, and the spring is biased so that the valve part moves away from the valve hole when the pressure of gas applied to the valve part of the valve body is below a certain level. A bypass vent hole is formed that communicates a portion of the gas flow path in the plug between the outlet and the partition wall with a portion on the gas inflow side from the partition wall, and one end of the valve rod is connected to the plug body, and the valve A gas connection device with a safety valve, the other end of which is slidably inserted into a vent hole so that the vent hole is closed when the plug body is opened and the vent hole is opened when the plug body is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10653980U JPS633513Y2 (en) | 1980-07-28 | 1980-07-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10653980U JPS633513Y2 (en) | 1980-07-28 | 1980-07-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5728982U JPS5728982U (en) | 1982-02-16 |
| JPS633513Y2 true JPS633513Y2 (en) | 1988-01-28 |
Family
ID=29467897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10653980U Expired JPS633513Y2 (en) | 1980-07-28 | 1980-07-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS633513Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5988633B2 (en) * | 2011-03-16 | 2016-09-07 | 大阪瓦斯株式会社 | Gas stopper |
-
1980
- 1980-07-28 JP JP10653980U patent/JPS633513Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5728982U (en) | 1982-02-16 |
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