JPS6212958Y2 - - Google Patents
Info
- Publication number
- JPS6212958Y2 JPS6212958Y2 JP4544581U JP4544581U JPS6212958Y2 JP S6212958 Y2 JPS6212958 Y2 JP S6212958Y2 JP 4544581 U JP4544581 U JP 4544581U JP 4544581 U JP4544581 U JP 4544581U JP S6212958 Y2 JPS6212958 Y2 JP S6212958Y2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- knob
- push rod
- hydrogen cylinder
- cylindrical housing
- 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
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 37
- 239000001257 hydrogen Substances 0.000 claims description 34
- 229910052739 hydrogen Inorganic materials 0.000 claims description 34
- 238000001514 detection method Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
Landscapes
- Lift Valve (AREA)
Description
【考案の詳細な説明】
本考案装置は水素炎イオン化検出器における水
素ボンベの弁開閉機構に関する。[Detailed Description of the Invention] The device of the present invention relates to a valve opening/closing mechanism for a hydrogen cylinder in a hydrogen flame ionization detector.
従来、この種水素炎イオン化検知器に水素ガス
を供給するためのボンベの弁開閉装置と検知器の
電源スイツチとは夫々別々に設けられ、それらは
別々に操作されているため、電源スイツチのみを
切り、ボンベの弁を閉め忘れたりする操作ミスが
多く、又小型化も困難であつた。 Conventionally, the cylinder valve opening/closing device for supplying hydrogen gas to this type of hydrogen flame ionization detector and the detector's power switch were provided separately, and because they were operated separately, only the power switch was required. There were many operational errors such as forgetting to turn off the valve or close the cylinder valve, and miniaturization was also difficult.
本考案の目的は、前記欠点を解消し、構造およ
び操作が簡単な弁開閉装置を提供するにある。 SUMMARY OF THE INVENTION An object of the present invention is to eliminate the above-mentioned drawbacks and provide a valve opening/closing device that is simple in structure and operation.
本考案の水素炎イオン検出器用弁開閉装置は、
水素ボンベ連結部分及び検出器連結部分を有する
筒状ハウジングと、この筒状ハウジング内に挿入
したカム面を有する水素ボンベ用弁押棒と、この
弁押棒を常時一方向に抑制するスプリングと、前
記弁押棒のカム面に係合するピンを有するピン軸
と、このピン軸に固定した回動ツマミと、このツ
マミに形成した突起と、前記ツマミを一方向に回
動した時前記突起により作動され他方向に回動し
た時消勢されるマイクロスイツチと、前記水素ボ
ンベ連結部分と水素炎イオン化検出器連結部分間
を連通するため前記筒状ハウジングに設けた通路
と、この通路を開閉するため前記弁押棒と前記筒
状ハウジング内面に設けたＯリングと面より成る
開閉機構とより成り、前記ツマミを一方向に回動
した時前記ピン軸により前記カム面を介して前記
弁押棒が前記スプリングに抗して下降し前記開閉
機構及び前記水素ボンベを開き、前記ツマミを他
方向に回動した時前記弁押棒が上昇して前記開閉
機構及び前記水素ボンベを閉じることを特徴とす
る。 The valve opening/closing device for hydrogen flame ion detector of this invention is
A cylindrical housing having a hydrogen cylinder connecting portion and a detector connecting portion, a hydrogen cylinder valve push rod having a cam surface inserted into the cylindrical housing, a spring that always restrains the valve push rod in one direction, and the valve. A pin shaft having a pin that engages with the cam surface of the push rod, a rotary knob fixed to the pin shaft, a protrusion formed on the knob, and the knob being actuated by the protrusion when the knob is rotated in one direction. a microswitch that is deenergized when rotated in the direction; a passage provided in the cylindrical housing to communicate between the hydrogen cylinder connecting part and the hydrogen flame ionization detector connecting part; and the valve to open and close this passage. It consists of an opening/closing mechanism consisting of a push rod, an O-ring provided on the inner surface of the cylindrical housing, and a surface, and when the knob is rotated in one direction, the valve push rod resists the spring through the cam surface by the pin shaft. When the knob is rotated in the other direction, the valve push rod rises to close the opening/closing mechanism and the hydrogen cylinder.
以下図面によつて本考案の実施例を説明する。 Embodiments of the present invention will be described below with reference to the drawings.
第１図において１は水素ボンベ、２はこの水素
ボンベ１に附属している従来既知の水素ボンベ用
押圧開閉弁であつてこの押圧開閉弁２を押すこと
によつて弁とボンベ開口間に隙間ができ水素ガス
が水素ボンベ１より放出されるようになる。 In Fig. 1, 1 is a hydrogen cylinder, and 2 is a conventionally known hydrogen cylinder press on/off valve attached to the hydrogen cylinder 1. By pushing this press on/off valve 2, a gap is created between the valve and the opening of the cylinder. As a result, hydrogen gas is released from the hydrogen cylinder 1.
３は本考案の弁開閉装置、４は検出器ボデー、
５は圧力計を示す。 3 is a valve opening/closing device of the present invention, 4 is a detector body,
5 indicates a pressure gauge.
本考案の弁開閉装置３にはその下端に水素ボン
ベ接続用ネジ部６ａを形成しその側面に圧力計接
続用ネジ部６ｂ及び検出器接続用ネジ部６ｃを形
成した筒状ハウジング６と、この筒状ハウジング
６内に介押された弁押棒７とを有せしめる。この
弁押棒７の下面８は第２図に示すように小径で前
記水素ボンベ用押圧開閉弁２に接し、常時は前記
筒状ハウジング６の底部と弁押棒７間に介押した
スプリング９によつて前記下面８が前記押圧開閉
弁２より離間する方向に抑制されるようにし、そ
の上面１０は大径で弧状のくぼみより成るカム面
１０′を形成し、その中間部には軸方向に細長い
貫通孔１１が設けられ、この貫通孔１１には回り
止めピン１２が貫通され、その回り止めピン１２
の両端が前記筒状ハウジング６に固定されるよう
にする。 The valve opening/closing device 3 of the present invention includes a cylindrical housing 6, which has a threaded portion 6a for connecting a hydrogen cylinder formed at its lower end, and a threaded portion 6b for connecting a pressure gauge and a threaded portion 6c for connecting a detector formed on its side surface. A valve push rod 7 is provided inside the cylindrical housing 6. As shown in FIG. 2, the lower surface 8 of this valve pusher rod 7 has a small diameter and is in contact with the hydrogen cylinder pressure on-off valve 2, and is normally supported by a spring 9 inserted between the bottom of the cylindrical housing 6 and the valve pusher rod 7. The lower surface 8 is restrained in a direction away from the press opening/closing valve 2, and the upper surface 10 is formed with a cam surface 10' consisting of a large-diameter, arc-shaped recess, and a cam surface 10' that is elongated in the axial direction is formed in the middle part of the cam surface 10'. A through hole 11 is provided, a detent pin 12 passes through the through hole 11, and the detent pin 12 passes through the through hole 11.
so that both ends thereof are fixed to the cylindrical housing 6.
又前記筒状ハウジング６内には更に第１図、第
３図に示すようなピン軸１３を前記弁押棒７の上
方に位置するよう挿入し、このピン軸１３の下端
には前記弁押棒７のカム面１０′に対接されるピ
ン１４を水平方向に突出して設け、その上端には
筒状ハウジング６の上面より突出する頭部１５を
形成する。 Further, a pin shaft 13 as shown in FIGS. 1 and 3 is inserted into the cylindrical housing 6 so as to be positioned above the valve push rod 7, and the lower end of this pin shaft 13 is attached to the valve push rod 7. A pin 14 is provided to protrude in the horizontal direction and is opposed to the cam surface 10' of the cam surface 10', and a head 15 is formed at the upper end of the pin 14 to protrude from the upper surface of the cylindrical housing 6.
更に前記筒状ハウジング６の頂部には第１図、
第４図、第５図に示すように下部フランジ１６を
有するツマミ１７を固定し、この下部フランジ１
６の下面にはマイクロスイツチ作動用突起１８
と、ストツパーピン係合溝１９とを有せしめ、検
出器の電源スイツチとなるマイクロスイツチ２０
をその作動子２１が前記ツマミ１７の回転の際ツ
マミ１７の作動用突起１８によつて作動される位
置において前記検出器ボデー４に固定し、又前記
ストツパーピン係合溝１９に係合して前記ツマミ
の回動範囲を定めるストツパーピン２２を同じく
前記検出器ボデー４に固定する。 Further, on the top of the cylindrical housing 6 are shown FIG.
As shown in FIGS. 4 and 5, a knob 17 having a lower flange 16 is fixed, and this lower flange 1
On the bottom surface of 6 is a protrusion 18 for operating the micro switch.
and a stopper pin engagement groove 19, and serves as a power switch for the detector.
is fixed to the detector body 4 at a position where its actuator 21 is actuated by the operating protrusion 18 of the knob 17 when the knob 17 is rotated, and is engaged with the stopper pin engagement groove 19 to A stopper pin 22 that determines the rotation range of the knob is also fixed to the detector body 4.
更に又本考案装置においては筒状ハウジング６
内に形成される室２３と圧力計５の接続用ネジ部
６ｂ間及び検出器（図示せず）の接続用ネジ部６
ｃ間を連通する通路２４を前記筒状ハウジング６
に形成し、前記弁押棒７の下部には外方に突出す
るフランジ２５を形成し、このフランジ２５の上
面にはＯリング２６を載置し、このＯリング２６
に接する面２７を前記通路２４と前記ハウジング
６の底部間において前記ハウジング６内に突出し
て形成し、弁押棒７がスプリング９に抗して押下
されている状態では前記Ｏリング２６と面２７間
が離間し、水素ボンベ１内のガスが室２３を介し
て通路２４内に達するが、弁押棒７がスプリング
９によつて上方に押し上げられている状態では前
記Ｏリング２６と前記面２７が接し、水素ボンベ
１内のガスが前記通路２４には達しないように構
成する。 Furthermore, in the device of the present invention, the cylindrical housing 6
between the chamber 23 formed therein and the connecting screw portion 6b of the pressure gauge 5, and the connecting screw portion 6 of the detector (not shown).
The passage 24 communicating between the cylindrical housing 6 and the
A flange 25 is formed at the lower part of the valve push rod 7, and an O-ring 26 is placed on the upper surface of the flange 25.
A surface 27 in contact with the O-ring 26 and the surface 27 is formed to protrude into the housing 6 between the passage 24 and the bottom of the housing 6, and when the valve push rod 7 is pressed down against the spring 9, are separated and the gas in the hydrogen cylinder 1 reaches the passage 24 through the chamber 23. However, when the valve push rod 7 is pushed upward by the spring 9, the O-ring 26 and the surface 27 are in contact with each other. , so that the gas in the hydrogen cylinder 1 does not reach the passage 24.
本考案装置は上記のような構成であるから筒状
ハウジング６の水素ボンベ接続用ネジ部６ａに水
素ボンベ１を接続した後、ツマミ１７を回転させ
れば、ピン軸１３が回転し、ピン軸１３のピン１
４によつてカム面１０′を介して弁押棒７は回転
することなく下方に押し下げられ、弁押棒７の下
面８がスプリング９に抗して水素ボンベ１の押圧
開閉弁２を押し下げるので水素ガスが筒状ハウジ
ング６の室２３に吐出され通路２４を介して圧力
計５および検出器に流入する。 Since the device of the present invention has the above-mentioned configuration, if the knob 17 is rotated after connecting the hydrogen cylinder 1 to the hydrogen cylinder connection screw part 6a of the cylindrical housing 6, the pin shaft 13 will rotate. 13 pin 1
4 pushes the valve pusher rod 7 downward without rotating through the cam surface 10', and the lower surface 8 of the valve pusher 7 presses down the pressure on/off valve 2 of the hydrogen cylinder 1 against the spring 9, so that hydrogen gas is released. is discharged into the chamber 23 of the cylindrical housing 6 and flows into the pressure gauge 5 and the detector via the passage 24.
この状態においては同時に、ツマミ１７の下面
突起１８によつてマイクロスイツチ２０がその作
動子２１を介してONの状態となる。 At the same time, in this state, the microswitch 20 is turned on via its actuator 21 by the projection 18 on the lower surface of the knob 17.
以上説明したように、本考案装置によれば、ツ
マミ１７を回す操作のみで、水素ボンベ１の開閉
とマイクロスイツチ２０の操作を同時に行うこと
が可能となり従来の欠点を一掃でき、又その構造
も極めて簡単となる大きな利益がある。 As explained above, according to the device of the present invention, it is possible to open and close the hydrogen cylinder 1 and operate the micro switch 20 at the same time by simply turning the knob 17, eliminating the drawbacks of the conventional device, and also improving its structure. There are great benefits to being extremely simple.
又本考案装置においてはツマミ１７を逆に回転
すればスプリング９によつて弁押棒７が押し上げ
られ、その下面８が水素ボンベ１用押圧開閉弁２
から離間し水素ボンベ１よりの水素ガスの吐出が
遮断されるが同時にＯリング２６が面２７に接し
水素ボンベ１の接続口と通路２４間のガス通路が
遮断される。 In addition, in the device of the present invention, when the knob 17 is rotated in the opposite direction, the valve pusher rod 7 is pushed up by the spring 9, and its lower surface 8 becomes the press open/close valve 2 for the hydrogen cylinder 1.
At the same time, the O-ring 26 comes into contact with the surface 27 and the gas passage between the connection port of the hydrogen cylinder 1 and the passage 24 is blocked.
従つて若し水素ボンベ１の非作動時に水素ボン
ベ１よりガス漏れがあつたとしても、水素ガスが
室２３より通路２４内に漏れ出るおそれが全くな
くなる大きな利益がある。 Therefore, even if gas leaks from the hydrogen cylinder 1 when the hydrogen cylinder 1 is not in operation, there is a great advantage that there is no risk of hydrogen gas leaking from the chamber 23 into the passage 24.
第１図は本考案装置の説明用断面図、第２図は
弁押棒の斜視図、第３図はピン軸の斜視図、第４
図はツマミの断面図、第５図はその底面図であ
る。
１……水素ボンベ、２……押圧開閉弁、３……
弁開閉装置、４……検出器ボデー、５……圧力
計、６……筒状ハウジング、６ａ……水素ボンベ
接続用ネジ部、６ｂ……圧力計接続用ネジ部、６
ｃ……検出器接続用ネジ部、７……弁押棒、８…
…弁押棒の下面、９……スプリング、１０……弁
押棒の上面、１０′……カム面、１１……貫通
孔、１２……回り止めピン、１３……ピン軸、１
４……ピン、１５……ピン軸の頭部、１６……下
部フランジ、１７……ツマミ、１８……突起、１
９……ストツパーピン係合溝、２０……マイクロ
スイツチ、２１……作動子、２２……ストツパー
ピン、２３……室、２４……通路、２５……フラ
ンジ、２６……Ｏリング、２７……面。
Fig. 1 is an explanatory sectional view of the device of the present invention, Fig. 2 is a perspective view of the valve pusher, Fig. 3 is a perspective view of the pin shaft, and Fig. 4 is a perspective view of the valve pusher.
The figure is a sectional view of the knob, and FIG. 5 is a bottom view thereof. 1...Hydrogen cylinder, 2...Press on/off valve, 3...
Valve opening/closing device, 4... Detector body, 5... Pressure gauge, 6... Cylindrical housing, 6a... Threaded part for connecting hydrogen cylinder, 6b... Threaded part for connecting pressure gauge, 6
c...Screw part for connecting the detector, 7...Valve push rod, 8...
... Lower surface of valve pusher rod, 9 ... Spring, 10 ... Upper surface of valve pusher rod, 10' ... Cam surface, 11 ... Through hole, 12 ... Stopping pin, 13 ... Pin shaft, 1
4...Pin, 15...Pin shaft head, 16...Lower flange, 17...Knob, 18...Protrusion, 1
9... Stopper pin engagement groove, 20... Micro switch, 21... Operator, 22... Stopper pin, 23... Chamber, 24... Passage, 25... Flange, 26... O-ring, 27... Surface .
Claims (1)
る筒状ハウジングと、この筒状ハウジング内に挿
入したカム面を有する水素ボンベ用弁押棒と、こ
の弁押棒を常時一方向に抑制するスプリングと、
前記弁押棒のカム面に係合するピンを有するピン
軸と、このピン軸に固定した回動ツマミと、この
ツマミに形成した突起と、前記ツマミを一方向に
回動した時前記突起により作動され他方向に回動
した時消勢されるマイクロスイツチと、前記水素
ボンベ連結部分と水素炎イオン化検出器連結部分
間を連通するため前記筒状ハウジングに設けた通
路と、この通路を開閉するため前記弁押棒と前記
筒状ハウジング内面に設けたＯリングと面より成
る開閉機構とより成り、前記ツマミを一方向に回
動した時前記ピン軸により前記カム面を介して前
記弁押棒が前記スプリングに抗して下降し前記開
閉機構および水素ボンベを開き、前記ツマミを他
方向に回動した時前記弁押棒が上昇して前記開閉
機構及び前記水素ボンベを閉じることを特徴とす
る水素炎イオン化検出器用弁開閉装置。 A cylindrical housing having a hydrogen cylinder connecting part and a detector connecting part, a hydrogen cylinder valve push rod having a cam surface inserted into the cylindrical housing, and a spring that always restrains the valve push rod in one direction.
A pin shaft having a pin that engages with the cam surface of the valve push rod, a rotating knob fixed to the pin shaft, a protrusion formed on the knob, and actuated by the protrusion when the knob is rotated in one direction. a microswitch that is deenergized when rotated in the other direction, a passage provided in the cylindrical housing for communicating between the hydrogen cylinder connecting part and the hydrogen flame ionization detector connecting part, and a passage for opening and closing this passage. The opening/closing mechanism consists of the valve pusher rod, an O-ring provided on the inner surface of the cylindrical housing, and a surface, and when the knob is rotated in one direction, the valve pusher is moved through the cam surface by the pin shaft to the spring. Hydrogen flame ionization detection characterized in that the valve push rod descends against the pressure to open the opening/closing mechanism and the hydrogen cylinder, and when the knob is rotated in the other direction, the valve push rod rises to close the opening/closing mechanism and the hydrogen cylinder. Dexterous valve opening/closing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4544581U JPS6212958Y2 (en) | 1981-04-01 | 1981-04-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4544581U JPS6212958Y2 (en) | 1981-04-01 | 1981-04-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57160499U JPS57160499U (en) | 1982-10-08 |
| JPS6212958Y2 true JPS6212958Y2 (en) | 1987-04-03 |
Family
ID=29842337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4544581U Expired JPS6212958Y2 (en) | 1981-04-01 | 1981-04-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6212958Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4566721B2 (en) * | 2004-12-07 | 2010-10-20 | 理研計器株式会社 | Hydrogen flame ionization gas detector |
| JP4711399B2 (en) * | 2005-04-11 | 2011-06-29 | 理研計器株式会社 | Joint for connecting hydrogen gas flow passage forming member and portable hydrogen flame ionization gas detector |
-
1981
- 1981-04-01 JP JP4544581U patent/JPS6212958Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57160499U (en) | 1982-10-08 |
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