JPH10238651A - Switching display regulator with holding function - Google Patents
Switching display regulator with holding functionInfo
- Publication number
- JPH10238651A JPH10238651A JP9045835A JP4583597A JPH10238651A JP H10238651 A JPH10238651 A JP H10238651A JP 9045835 A JP9045835 A JP 9045835A JP 4583597 A JP4583597 A JP 4583597A JP H10238651 A JPH10238651 A JP H10238651A
- Authority
- JP
- Japan
- Prior art keywords
- display
- gas pressure
- arm
- fulcrum shaft
- diaphragm
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0382—Constructional details of valves, regulators
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、ガス供給ボンベ
のガス切れによるガス圧低下状態を表示（報知）すると
ともに、ボンベの接続状態を表示する調整器であって、
一旦表示されたガス圧低下状態が逆戻りしない機能を付
加した保持機能付き切替え表示調整器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a regulator for displaying (notifying) a gas pressure reduction state due to a gas shortage in a gas supply cylinder and displaying a connection state of the cylinder.
The present invention relates to a switching display adjuster with a holding function to which a function of preventing a once-displayed gas pressure drop state from returning is added.
【０００２】[0002]
【従来の技術】液化石油ガス（以下、単にガスという）
の供給は、通常複数本、例えば二本のボンベから高圧ガ
ス管を導出して切替え表示調整器のガス流入口に接続
し、ボンベのガスを交互に消費してゆくようにしてい
る。ここで使用される切替え表示調整器は、例えば実願
昭５６−１０５８３９号（実公昭６０−６６９７号公
報）に記載のように、ダイヤフラム室に流入するガス圧
の変化によって変位するダイヤフラム、このダイヤフラ
ムと共動し回転可能な変位伝達棒、上記変位伝達棒の下
部に取り付けられた弁体切替えカム、片端が上記弁体切
替えカムに当接し他端が弁棒に当接する揺動リンク、上
記弁棒と共動し弁口を常閉に付勢された弁体、上記ダイ
ヤフラムと共動する変位伝達棒の下降によってガス圧低
下を表示するガス圧低下表示部、上記変位伝達棒と共に
弁体切替えカムを回転させる切替えハンドルからなる構
成をしたものである。2. Description of the Related Art Liquefied petroleum gas (hereinafter simply referred to as gas)
Is supplied from a plurality of, for example, two cylinders, and connected to the gas inlet of the switching display adjuster so that the gas in the cylinder is consumed alternately. The switching display adjuster used here is, for example, a diaphragm which is displaced by a change in gas pressure flowing into a diaphragm chamber, as described in Japanese Utility Model Application No. 56-105839 (Japanese Utility Model Application Publication No. 60-6697). A displacement transmission rod rotatable in coordination with the valve, a valve body switching cam attached to a lower portion of the displacement transmission rod, a swing link having one end in contact with the valve body switching cam and the other end in contact with the valve rod, and the valve. A valve body cooperated with a rod and a valve port urged to a normally closed position, a gas pressure decrease display unit for displaying a decrease in gas pressure due to a lowering of a displacement transmission rod cooperating with the diaphragm, and a valve element switching together with the displacement transmission rod It is configured to include a switching handle for rotating the cam.
【０００３】[0003]
【発明が解決しようとする課題】上記構成のものでは、
ボンベのガス圧低下状態になると一旦は、ガス圧低下状
態を表示するが、ガス消費ラインでの消費が停まった
り、外気温の上昇や太陽熱などの原因でダイヤフラム室
の内圧が上昇してガス圧低下の表示が消えてしまい、ボ
ンベのガス切れ状態を正確に把握できなくなる問題があ
る。With the above configuration,
When the gas pressure in the cylinder drops, the gas pressure drop state is displayed once, but the consumption in the gas consumption line stops, the internal pressure in the diaphragm chamber rises due to a rise in outside temperature, solar heat, etc. There is a problem in that the display of the decrease disappears, and it is not possible to accurately grasp the out-of-gas state of the cylinder.
【０００４】上記問題に鑑みこの発明は、一旦ガス圧低
下状態を表示すると、その状態を保持し、確実にボンベ
のガス切れ状態を報知する保持機能付き切替え表示調整
器を提供することを課題とする。[0004] In view of the above problems, it is an object of the present invention to provide a switching display adjuster with a holding function that once a gas pressure drop state is displayed, that state is maintained and the gas out state of the cylinder is securely reported. I do.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するため
に請求項１の発明は、ダイヤフラム室のガス圧変化によ
って変位するダイヤフラム、このダイヤフラムの中心を
貫通し回転可能、かつ気密に取り付けられ軸方向に共動
する変位伝達棒、上記変位伝達棒の下部に固着された弁
体切替えカム、片端が上記弁体切替えカムに、他端が弁
棒に当接した揺動リンク、上記弁棒と共動し弁口を常閉
に付勢された弁体、上記ダイヤフラムと共動する変位伝
達棒の下降によってガス圧低下を表示するガス圧低下表
示部、上記変位伝達棒とともに弁体切替えカムを回転さ
せる弁体切替えハンドルからなる切替え表示調整器にお
いて、上記ガス圧低下表示部を、表示板を有するアーム
を固着した支点軸を軸受けで支承し、変位伝達棒の頂部
に設けた掛合部を上記アームの力点に掛合させ、ダイヤ
フラムの変位によって、上記掛合部がアームの力点を掛
け下げて該アームを回動させ、表示板のガス圧低下表示
を保持状態とし、上記弁体切替えハンドルを回すことに
より、上記保持状態を解除されるように構成としたもの
である。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a first aspect of the present invention is a diaphragm which is displaced by a change in gas pressure in a diaphragm chamber, and which is rotatably and airtightly mounted through a center of the diaphragm. A displacement transmission rod cooperating in the direction, a valve body switching cam fixed to a lower portion of the displacement transmission rod, a swinging link having one end in contact with the valve body switching cam and the other end in contact with the valve rod, A valve body that cooperates and urges the valve port to be normally closed, a gas pressure decrease display unit that displays a decrease in gas pressure by lowering a displacement transmission rod that cooperates with the diaphragm, and a valve element switching cam together with the displacement transmission rod. In a switching display adjuster comprising a rotating valve body switching handle, the gas pressure drop display portion is supported by a bearing on a fulcrum shaft to which an arm having a display plate is fixed, and an engagement portion provided on the top of a displacement transmission rod is provided. The arm is engaged with the power point of the arm, and the displacement of the diaphragm causes the engaging portion to hang the power point of the arm to rotate the arm, hold the gas pressure reduction display on the display plate, and turn the valve body switching handle. Thus, the holding state is released.
【０００６】請求項２の発明は、上記保持機能付き切替
え表示調整器において、上記支点軸に押し・捩じりバネ
を装着し、表示板がガス圧低下表示状態に至ると、押し
・捩じりバネの押し付勢により、軸受けと支点軸または
アームとの間に支点軸の回転を阻止する嵌め合いが生じ
てガス圧低下表示状態を保持するとともに、支点軸が軸
方向に移動してその先端が軸受けから突出し、弁体切替
えハンドルが回されるとき、弁体切替えハンドルの基盤
に設けられた円弧状立て壁が、軸受けから突出した支点
軸の先端を押し戻し、押し・捩じりバネの捩じり付勢に
より表示板を有するアームを倒伏させる構成としたもの
である。According to a second aspect of the present invention, in the switching display adjuster with the holding function, a push / torsion spring is mounted on the fulcrum shaft, and when the display plate reaches a gas pressure drop display state, the push / torsion is adjusted. Due to the urging force of the resilient spring, a fitting that prevents rotation of the fulcrum shaft is generated between the bearing and the fulcrum shaft or arm, and the gas pressure drop display state is maintained, and the fulcrum shaft moves in the axial direction and moves. When the tip protrudes from the bearing and the valve switching handle is turned, the arc-shaped vertical wall provided on the base of the valve switching handle pushes back the tip of the fulcrum shaft protruding from the bearing, and the push / torsion spring In this configuration, the arm having the display panel is turned down by torsion.
【０００７】上記の如く構成する各発明は、ボンベのガ
ス切れ状態になって表示板がガス圧低下表示状態になる
と、その表示の保持機能が働き、その後、環境条件が変
化してダイヤフラム室の内圧が上昇しても、ガス圧低下
表示状態が逆戻りすることがなく、確実にボンベのガス
切れ状態を把握することが可能となる。In each of the inventions configured as described above, when the gas in the cylinder is out of gas and the display plate is in the gas pressure reduction display state, the function of holding the display works, and thereafter, the environmental conditions change and the diaphragm chamber is closed. Even if the internal pressure increases, the gas pressure drop display state does not return, and it is possible to surely grasp the gas out state of the cylinder.
【０００８】[0008]
【発明の実施の形態】次に、この発明に係る第一実施形
態を図面を参照しながら説明する。２４ａは第一流入
口、２４ｂは第二流入口で、２５は流出口である。い
ま、第一、第二流入口２４ａ、２４ｂに接続されている
ボンベには、ガスが充填された状態であるとし、弁体切
替えカム４は、第一流入口２４ａ側に切替えられてい
て、揺動リンク６を介して弁棒５が押され弁体８が後退
して、弁口７が開いた状態にある。Next, a first embodiment according to the present invention will be described with reference to the drawings. 24a is a first inlet, 24b is a second inlet, and 25 is an outlet. Now, it is assumed that the cylinders connected to the first and second inlets 24a and 24b are in a gas-filled state, and the valve body switching cam 4 is switched to the first inlet 24a side to swing. The valve stem 5 is pushed back via the dynamic link 6, the valve element 8 is retracted, and the valve port 7 is open.
【０００９】流出口２５からガスが消費されて第一流入
口２４ａに接続されたボンベのガスがなくなると、ダイ
ヤフラム室１の内圧が低下し、ダイヤフラム２は、その
上部に装着されたバネ２６の押し下げ付勢によって次第
に下降する。ダイヤフラム２が下降すると、それと共に
変位伝達棒３も下降する。ここで変位伝達棒３は、軸方
向に共動するが回転可能、かつ気密にダイヤフラム２に
取り付けられている。When gas is consumed from the outlet 25 and gas in the cylinder connected to the first inlet 24a is exhausted, the internal pressure of the diaphragm chamber 1 decreases, and the diaphragm 2 pushes down a spring 26 mounted on the upper part thereof. It gradually descends due to the bias. When the diaphragm 2 descends, the displacement transmission rod 3 also descends. Here, the displacement transmission rod 3 is rotatably and airtightly attached to the diaphragm 2 while cooperating in the axial direction.
【００１０】ダイヤフラム大気室２７の上には、弁体切
替えハンドル１０の基盤１７が嵌まっていて、その中心
を変位伝達棒３が貫通し、基盤１７のボス２８の内形を
６角形の長孔２９とし、その部分に嵌まる変位伝達棒３
の外形を６角として、軸方向に摺動可能にして互いに空
回りしないようになっている。A base 17 of the valve body switching handle 10 is fitted on the diaphragm atmosphere chamber 27, and the displacement transmission rod 3 penetrates the center of the base, and the inner shape of the boss 28 of the base 17 is a hexagon. The hole 29 is used as the displacement transmitting rod 3 fitted in the hole 29.
Are hexagonal and slidable in the axial direction so that they do not idle.
【００１１】変位伝達棒３の上端には、小円形の掛合部
１５が形成され、この掛合部１５は、ダイヤフラム大気
室２７の上面から立ち上げた軸受け１４、１４’に支承
された支点軸１３に固着されたアーム１２の力点Ｐに掛
合している。アーム１２の端には表示板１１がＬ字状に
曲がって一体に設けられ、支点軸１３には、押し・捩じ
りバネ１６が装着されている。アーム１２が振り上ると
表示板１１はカバー３０の表示窓３１の内側で一致する
ようになっている。なお、カバー３０は必要に応じ外せ
るように弁体切替えハンドル１０の基盤１７に嵌め合わ
されている。ここで、弁体切替えハンドルの基盤に、二
個の円弧状の長孔４０，４１が設けられているが、ダイ
ヤフラム大気室２７の上面から立ち上がった軸受け１
４、１４’が貫通するためのものである。A small circular engaging portion 15 is formed at the upper end of the displacement transmitting rod 3, and the engaging portion 15 is supported by bearings 14, 14 ′ raised from the upper surface of a diaphragm atmosphere chamber 27. At the force point P of the arm 12 fixed to the arm. At the end of the arm 12, a display plate 11 is bent and formed in an L-shape and provided integrally, and a fulcrum shaft 13 is provided with a push / torsion spring 16. When the arm 12 swings up, the display plate 11 is aligned inside the display window 31 of the cover 30. The cover 30 is fitted on the base 17 of the valve body switching handle 10 so that the cover 30 can be removed as needed. Here, two arc-shaped long holes 40 and 41 are provided in the base of the valve body switching handle, and the bearing 1 rising from the upper surface of the diaphragm atmosphere chamber 27 is provided.
4, 14 'are for penetrating.
【００１２】片方の軸受け１４’には、支点軸１３と平
行な貫通孔３２が設けられ、アーム１２の軸受け１４’
側には表示板１１がガス圧低下状態を表示したときに押
し・捩じりバネ１６の押し付勢によって上記貫通孔３２
に嵌まり合う凸部２０が設けられていて、凸部２０が貫
通孔３２に嵌まり合ったとき支点軸１３の先端が軸受け
１４’の外側面から突き出し状態３３になるようにして
いる。One of the bearings 14 ′ is provided with a through hole 32 parallel to the fulcrum shaft 13, and the bearing 14 ′ of the arm 12 is provided.
When the display plate 11 indicates that the gas pressure is low, the pushing / torsion spring 16 presses the through-hole 32 on the side.
Is provided so that when the protrusion 20 is fitted into the through hole 32, the tip of the fulcrum shaft 13 projects from the outer surface of the bearing 14 '.
【００１３】弁体切替えハンドル１０の基盤１７の上面
には、変位伝達棒３が貫通している孔を中心とする円弧
状立て壁１８が設けられていて、その両端は外側に開い
てアプローチを形成し、弁体切替えハンドル１０を回し
たとき支点軸１３の先端突き出し３３をスムーズに押し
込み得るようにしている。On the upper surface of the base 17 of the valve switching handle 10, there is provided an arc-shaped upright wall 18 centered on a hole through which the displacement transmission rod 3 penetrates. The tip projection 33 of the fulcrum shaft 13 can be pushed in smoothly when the valve body switching handle 10 is turned.
【００１４】一端に表示板１１を有するアーム１２の中
間位置には永久磁石３４が取り付けられ、表示板１１が
ガス圧低下状態を表示した時点でブラケット３５に取り
付けられたリードスイッチ３６が作動するようにしてあ
る。なお、永久磁石とリードスイッチに代えて光ファイ
バーコード３８により光を誘導し、表示板１１の裏に反
射板４３を設け、表示板１１の位置を光センサー３９で
検出して警報機を作動させることもできる。A permanent magnet 34 is mounted at an intermediate position of the arm 12 having the display panel 11 at one end, and the reed switch 36 mounted on the bracket 35 is operated when the display panel 11 indicates a low gas pressure state. It is. In addition, light is guided by the optical fiber cord 38 instead of the permanent magnet and the reed switch, the reflection plate 43 is provided on the back of the display panel 11, and the position of the display panel 11 is detected by the optical sensor 39 to activate the alarm. Can also.
【００１５】断面Ｈ形をした弁体８は、その後方にバネ
座４２で支持され弁体８の後方に嵌まり込んでいる押し
バネ３７によって弁口７が常閉になる方向に付勢される
ように装着されている。The valve body 8 having an H-shaped cross section is urged in a direction in which the valve port 7 is normally closed by a push spring 37 supported by a spring seat 42 behind the valve body 8 and fitted behind the valve body 8. It is attached so that.
【００１６】上記実施形態では、ガス圧低下表示の保持
機構として、表示板１１がガス圧低下状態を表示したと
きに押し・捩じりバネ１６の押し付勢によって軸受け１
４’に設けた貫通孔３２に、アーム１２の側面に設けた
凸部２０が嵌まり合うようにしたが、次のような機構を
採用することができる。In the above embodiment, as the holding mechanism for the gas pressure drop display, the bearing 1 is pressed by the push / torsion spring 16 when the display plate 11 indicates the gas pressure drop state.
Although the protrusion 20 provided on the side surface of the arm 12 is fitted into the through hole 32 provided on the 4 ′, the following mechanism can be adopted.
【００１７】即ち、図８に示すように、軸受け１４’の
軸孔２２に溝２１を設け支点軸１３に軸方向の凸条２３
を設けて、表示板１１がガス圧低下状態を表示したとき
凸条２３が溝に嵌まるようにする。なお、軸孔２２の溝
２１及び支点軸１３の凸条２３を単数にしてもよい。That is, as shown in FIG. 8, a groove 21 is formed in a shaft hole 22 of a bearing 14 ', and a ridge 23 in an axial direction is formed on a fulcrum shaft 13.
Is provided so that the ridge 23 fits into the groove when the display plate 11 displays the gas pressure lowered state. The groove 21 of the shaft hole 22 and the ridge 23 of the fulcrum shaft 13 may be singular.
【００１８】次にこの実施形態の機能について説明す
る。図において、弁体切替えハンドル１０は第一流入口
２４ａに向けられている。即ち、弁体切替えカム４は、
揺動リンク６を介して第一流入口２４ａの弁体８と共動
する弁棒５を押し込み、弁口７を開きダイヤフラム室１
の内圧はボンベから供給されるガスによって所定の圧力
になっている。Next, the function of this embodiment will be described. In the figure, the valve body switching handle 10 is directed to the first inlet 24a. That is, the valve body switching cam 4 is
The valve rod 5 cooperating with the valve body 8 of the first inlet 24a is pushed in through the swing link 6, and the valve port 7 is opened to open the diaphragm chamber 1
Is set to a predetermined pressure by the gas supplied from the cylinder.
【００１９】ボンベのガスが消費されガス切れになる
と、ダイヤフラム室１の内圧が低下するが、この状態に
なるとダイヤフラム大気室２７のバネの付勢によりダイ
ヤフラム２が下降する。ダイヤフラム２が下降すると、
変位伝達棒３が共に下降して、その上端にある掛合部１
５が、端部に表示板１１を有するアーム１２の力点Ｐに
掛合して引き下げる。力点Ｐが引き下げられるとアーム
１２は、支点軸１３を軸にして回動しアーム１２の端に
設けた表示板１１が振り上がりカバー３０の頂部に設け
た表示窓３１の位置に重なり、ガス圧低下を表示する。When the gas in the cylinder is consumed and the gas is exhausted, the internal pressure of the diaphragm chamber 1 decreases. In this state, the diaphragm 2 is lowered by the urging of the spring of the diaphragm atmosphere chamber 27. When the diaphragm 2 descends,
The displacement transmission rod 3 is lowered together, and the engaging portion 1 at the upper end thereof
5 engages with the power point P of the arm 12 having the display plate 11 at the end and lowers it. When the power point P is lowered, the arm 12 rotates about the fulcrum shaft 13, and the display plate 11 provided at the end of the arm 12 swings up and overlaps the position of the display window 31 provided at the top of the cover 30, and the gas pressure increases. Show the drop.
【００２０】ガス圧低下状態を表示すると、アーム１２
の側面に設けた凸部２０が、軸受け１４’に設けた貫通
孔３２に嵌まり、支点軸１３の先端が軸受け１４’の外
側に突出しその状態が保持される。従って、ガスの消費
が停まったり、その他の環境の変化でダイヤフラム室１
の内圧が上昇しても表示は逆戻りしない。When the low gas pressure state is displayed, the arm 12
Of the fulcrum shaft 13 protrudes outside the bearing 14 ', and the state is maintained. Therefore, when the gas consumption stops or other environmental changes occur, the diaphragm chamber 1
The display does not return even if the internal pressure increases.
【００２１】ガス圧低下状態を示すと、アーム１２の中
程に取り付けられた永久磁石３４によりリードスイッチ
３６が作動して管理室等に設置された警報機がボンベの
ガス切れを報知する。When a low gas pressure state is indicated, a reed switch 36 is operated by a permanent magnet 34 attached in the middle of the arm 12, and an alarm installed in a control room or the like notifies the gas out of the cylinder.
【００２２】ガス切れ報知を受けて、弁体切替えハンド
ル１０を第二流入口２４ｂ側に切替えると揺動リンク６
を介して弁棒５が押し込まれ、弁体８も共動して弁口７
が開かれ、ボンベからガスが供給されダイヤフラム室１
の内圧が上昇する。弁体切替えハンドル１０が第一流入
口２４ａ側から第二流入口２４ｂ側に切替えられると
き、弁体切替えハンドル１０の基盤１７に設けられた円
弧状立て壁１８が、軸受け１４’の外側に突出した支点
軸１３の先端３３を押し込み、押し・捩じりバネの捩じ
り付勢によって表示板を有するアーム１２が倒伏する。When the valve switching handle 10 is switched to the second inflow port 24b in response to the out-of-gas notification, the swing link 6
The valve stem 5 is pushed in through the valve body, and the valve element 8 also cooperates with the valve port 7.
Is opened and gas is supplied from the cylinder and the diaphragm chamber 1
Internal pressure rises. When the valve body switching handle 10 is switched from the first inflow port 24a side to the second inflow port 24b side, the arc-shaped vertical wall 18 provided on the base 17 of the valve body switching handle 10 protrudes outside the bearing 14 '. The distal end 33 of the fulcrum shaft 13 is pushed in, and the arm 12 having the display plate falls down due to the torsional bias of the push / torsion spring.
【００２３】弁体切替えハンドル１０が切替えられる
と、弁体切替えカム４もその位置を変更し、第一流入口
２４ａの弁体８は、押しバネ３７の付勢によって弁口７
を閉塞する。ガス切れになった第一流入口２４ａ側のボ
ンベは、ガスが充填された新しいボンベと取り替えられ
るが、第一流入口２４ａの弁体８が弁口７を閉塞してい
るので、取り替えられたボンベのガスは消費されず、弁
体切替えハンドル１０が切替えられるまでその状態を維
持する。When the valve body switching handle 10 is switched, the valve body switching cam 4 also changes its position, and the valve body 8 of the first inlet 24a is pressed by the pressing spring 37 to open the valve opening 7.
Close. The cylinder on the side of the first inlet 24a, which has run out of gas, is replaced with a new cylinder filled with gas. However, since the valve body 8 of the first inlet 24a closes the valve port 7, the cylinder of the replaced cylinder is closed. No gas is consumed, and the state is maintained until the valve body switching handle 10 is switched.
【００２４】[0024]
【発明の効果】以上説明した如く、この発明によれば一
旦ガス圧低下状態を表示すると、その状態を保持し、確
実にボンベのガス切れ状態を報知することができる。As described above, according to the present invention, once the gas pressure drop state is displayed, the state can be maintained and the gas out state of the cylinder can be reliably notified.
【図１】この発明に係る実施形態の横断面図FIG. 1 is a cross-sectional view of an embodiment according to the present invention.
【図２】同縦断面図FIG. 2 is a longitudinal sectional view of the same.
【図３】同上面図FIG. 3 is a top view of the same.
【図４】（ａ） 弁体切替えハンドルの斜視図 （ｂ） 同上面図 （ｃ） 同下面図FIG. 4 (a) is a perspective view of a valve element switching handle, (b) is a top view thereof, and (c) is a bottom view thereof.
【図５】（ａ） 図４（ａ）のＡ−Ａ断面図 （ｂ） 図４（ａ）のＢ−Ｂ断面図5A is a cross-sectional view taken along a line AA in FIG. 4A. FIG. 5B is a cross-sectional view taken along a line BB in FIG.
【図６】（ａ） ガス圧低下表示動作説明の縦断面図 （ｂ） ガス圧低下表示動作説明の横断面図FIG. 6A is a longitudinal sectional view for explaining a gas pressure drop display operation. FIG. 6B is a transverse sectional view for explaining a gas pressure drop display operation.
【図７】（ａ） ガス圧低下表示保持状態説明の縦断面
図 （ｂ） ガス圧低下表示保持状態説明の横断面図FIG. 7A is a vertical cross-sectional view illustrating a state of holding a low gas pressure display, and FIG.
【図８】他の実施形態におけるガス圧低下表示保持状態
説明の横断面図FIG. 8 is a cross-sectional view illustrating a gas pressure drop display holding state according to another embodiment.
１ ダイヤフラム室 ２ ダイヤフラム ３ 変位伝達棒 ４ 弁体切替えカム ５ 弁棒 ６ 揺動リンク ７ 弁口 ８ 弁体 ９ ガス圧低下表示部 １０ 弁体切替えハンドル １１ 表示板 １２ アーム １３ 支点軸 １４，１４’ 軸受け １５ 掛合部 １６ 押し・捩じりバネ １７ 基盤 １８ 円弧状立て壁 １９ 軸受け孔 ２０ 凸部 ２１ 溝 ２２ 軸孔 ２３ 凸条 ２４ａ 第一流入口 ２４ｂ 第二流入口 ２５ 流出口 ２６ バネ（ダイヤフラムの） ２７ ダイヤフラム大気室 ２８ ボス ２９ 長孔 ３０ カバー ３１ 表示窓 ３２ 貫通孔 ３３ 突き出た支点軸の先端 Ｐ 力点（アームの） DESCRIPTION OF SYMBOLS 1 Diaphragm chamber 2 Diaphragm 3 Displacement transmission rod 4 Valve switching cam 5 Valve rod 6 Swing link 7 Valve port 8 Valve 9 Low gas pressure display unit 10 Valve switching handle 11 Display plate 12 Arm 13 Support shaft 14, 14 ' Bearing 15 Engagement part 16 Push / torsion spring 17 Base 18 Arc-shaped vertical wall 19 Bearing hole 20 Convex part 21 Groove 22 Shaft hole 23 Convex line 24a First inlet 24b Second inlet 25 Outlet 26 Spring (of diaphragm) 27 Diaphragm atmosphere chamber 28 Boss 29 Slot 30 Cover 31 Display window 32 Through hole 33 Tip of protruding fulcrum shaft P Force point (of arm)
Claims (3)
位するダイヤフラム、このダイヤフラムの中心を貫通し
回転可能、かつ気密に取り付けられ軸方向に共動する変
位伝達棒、上記変位伝達棒の下降によってガス圧低下を
表示するガス圧低下表示部を備えた切替え表示調整器に
おいて、 上記ガス圧低下表示部を、表示板を有するアームを固着
した支点軸を軸受けで支承し、変位伝達棒の頂部に設け
た掛合部を上記アームの力点に掛合させ、ダイヤフラム
の変位によって、上記掛合部がアームの力点を掛け下げ
て該アームを回動させ、表示板がガス圧低下表示状態に
至ると、その状態を保持する構成としたことを特徴とす
る保持機能付き切替え表示調整器。1. A diaphragm which is displaced by a change in gas pressure in a diaphragm chamber, a displacement transmission rod which penetrates the center of the diaphragm, is rotatable, is airtightly mounted, and cooperates in the axial direction, and a gas pressure which is lowered by the displacement transmission rod. In a switching display adjuster provided with a gas pressure decrease display section for indicating a decrease, the gas pressure decrease display section is provided on a fulcrum shaft to which an arm having a display plate is fixed by a bearing, and provided on a top of a displacement transmission rod. The engaging portion is engaged with the power point of the arm, and the displacement of the diaphragm causes the engaging portion to hang the power point of the arm to rotate the arm. When the display plate reaches the gas pressure drop display state, the state is maintained. A switching display adjuster with a holding function, characterized in that:
いて、上記支点軸に押し・捩じりバネを装着し、表示板
がガス圧低下表示状態に至ると、押し・捩じりバネの押
し付勢により、軸受けと支点軸またはアームとの間に支
点軸の回転を阻止する嵌め合いが生じてガス圧低下表示
状態を保持するとともに、支点軸が軸方向に移動してそ
の先端が軸受けから突出する構成としたことを特徴とす
る請求項１に記載の保持機能付き切替え表示調整器。2. The switching display adjuster with a holding function, wherein a push / torsion spring is mounted on the fulcrum shaft, and when the display plate reaches a gas pressure drop display state, the push / torsion spring is pressed. The force causes a fit between the bearing and the fulcrum shaft or arm to prevent rotation of the fulcrum shaft, thereby maintaining the gas pressure drop display state, and moving the fulcrum shaft in the axial direction so that its tip protrudes from the bearing. The switching display adjuster with a holding function according to claim 1, wherein the switching display adjuster has a holding function.
いて、弁体切替えハンドルが回されるとき、弁体切替え
ハンドルの基盤に設けられた円弧状立て壁が、軸受けか
ら突出した支点軸の先端を押し戻し、押し・捩じりバネ
の捩じり付勢により表示板を有するアームを倒伏させる
機構を付加してなることを特徴とする請求項１または２
に記載の保持機能付き切替え表示調整器。3. The switching display adjuster with a holding function, wherein when the valve element switching handle is turned, an arc-shaped upright wall provided on a base of the valve element switching handle makes a tip of a fulcrum shaft projecting from the bearing. 3. A mechanism for lowering an arm having a display panel by pushing back and pushing a torsion spring torsionally.
2. A switching display adjuster with a holding function according to item 1.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04583597A JP3808158B2 (en) | 1997-02-28 | 1997-02-28 | Switching display adjuster with holding function |
| KR1019970059682A KR100222516B1 (en) | 1997-02-28 | 1997-11-13 | Change-over display controller with holding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04583597A JP3808158B2 (en) | 1997-02-28 | 1997-02-28 | Switching display adjuster with holding function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10238651A true JPH10238651A (en) | 1998-09-08 |
| JP3808158B2 JP3808158B2 (en) | 2006-08-09 |
Family
ID=12730289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04583597A Expired - Lifetime JP3808158B2 (en) | 1997-02-28 | 1997-02-28 | Switching display adjuster with holding function |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3808158B2 (en) |
| KR (1) | KR100222516B1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001069113A1 (en) * | 2000-03-14 | 2001-09-20 | Kitz Corporation | Electric actuator and fixing structure of the actuator |
| JP2020026824A (en) * | 2018-08-10 | 2020-02-20 | 矢崎エナジーシステム株式会社 | Gas switching device |
-
1997
- 1997-02-28 JP JP04583597A patent/JP3808158B2/en not_active Expired - Lifetime
- 1997-11-13 KR KR1019970059682A patent/KR100222516B1/en not_active IP Right Cessation
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001069113A1 (en) * | 2000-03-14 | 2001-09-20 | Kitz Corporation | Electric actuator and fixing structure of the actuator |
| GB2379563A (en) * | 2000-03-14 | 2003-03-12 | Kitz Corp | Electric actuator and fixing structure of the actuator |
| GB2379563B (en) * | 2000-03-14 | 2005-04-20 | Kitz Corp | Electric actuator and structure for fixing the same |
| JP2020026824A (en) * | 2018-08-10 | 2020-02-20 | 矢崎エナジーシステム株式会社 | Gas switching device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR19980070090A (en) | 1998-10-26 |
| KR100222516B1 (en) | 1999-10-01 |
| JP3808158B2 (en) | 2006-08-09 |
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