JPS6326640Y2 - - Google Patents
Info
- Publication number
- JPS6326640Y2 JPS6326640Y2 JP1981094768U JP9476881U JPS6326640Y2 JP S6326640 Y2 JPS6326640 Y2 JP S6326640Y2 JP 1981094768 U JP1981094768 U JP 1981094768U JP 9476881 U JP9476881 U JP 9476881U JP S6326640 Y2 JPS6326640 Y2 JP S6326640Y2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- pressure chamber
- chamber
- diaphragm
- secondary pressure
- 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
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Landscapes
- Feeding And Controlling Fuel (AREA)
Description
【考案の詳細な説明】
本考案は、カセツト式ガスボンベを備えたガス
コンロの安全装置に関するものである。[Detailed Description of the Invention] The present invention relates to a safety device for a gas stove equipped with a cassette type gas cylinder.
この種のガスコンロにおいては、ガスバーナの
近傍にガスボンベを装備する構造であるところか
ら、ガスコンロを誤つた使用法で使用すると、ガ
スボンベが過熱の影響を直接受けるなどして、ガ
スボンベ内の液化ガスの気化が異常に促進され、
ガス圧の異常上昇をきたすことがあり、爆発等の
事故を生ずるおそれがある。 This type of gas stove has a structure in which the gas cylinder is installed near the gas burner, so if the gas stove is used incorrectly, the gas cylinder will be directly affected by overheating, causing the liquefied gas inside the gas cylinder to vaporize. is abnormally promoted,
This may cause an abnormal increase in gas pressure, which may result in an explosion or other accident.
本考案は、上記の如きガスボンベ内ガス圧の上
昇に追従してガス供給路を遮断して消火させ、異
常昇圧を防止し得るようにすることを目的とする
ものである。 The object of the present invention is to follow the rise in gas pressure in a gas cylinder as described above, to cut off the gas supply path and extinguish the fire, thereby preventing abnormal pressure rise.
本考案は、上記目的達成のため、カセツト式ガ
スボンベのノズルを嵌合するガス注入口とガスバ
ーナーへ通ずるガス排出口とを備えた弁室を、ダ
イヤフラムを介して二つの室に区画し且つ該ダイ
ヤフラムをバイパスして前記両室を連通させるバ
イパス路に、供給ガス圧を調整するガバナーを前
記弁室に隣接する如く設けて、前記二つの室を圧
力調整前のガスが流通する一次圧室および圧力調
整後のガスが流通する二次圧室となすとともに、
該二次圧室内には、前記ダイヤフラムと対向し該
ダイヤフラムの二次圧室側への膨出によつて一次
圧室側への湾曲姿勢から二次圧室側への湾曲姿勢
へ反転作動せしめられる反転バネと、該反転バネ
と連動されるてこ杆と、前記反転バネの二次圧室
側への反転に伴つて前記ガス排出口を閉止する如
く前記てこ杆に設けられた弁体とを配設したこと
を特徴とするものである。 In order to achieve the above object, the present invention divides a valve chamber equipped with a gas inlet into which a nozzle of a cassette type gas cylinder fits and a gas outlet leading to a gas burner into two chambers via a diaphragm. A governor for adjusting supply gas pressure is provided adjacent to the valve chamber in a bypass passage that bypasses the diaphragm and communicates the two chambers, and the two chambers are connected to a primary pressure chamber through which gas before pressure adjustment flows; In addition to serving as a secondary pressure chamber through which the gas after pressure adjustment flows,
Inside the secondary pressure chamber, the diaphragm faces the diaphragm, and when the diaphragm bulges toward the secondary pressure chamber, the diaphragm is reversed from a curved posture toward the primary pressure chamber to a curved posture toward the secondary pressure chamber. a reversing spring, a lever lever interlocked with the reversing spring, and a valve body provided on the lever lever so as to close the gas exhaust port when the reversing spring is reversed toward the secondary pressure chamber. It is characterized by the fact that
以下、添付の図面を参照して本考案の実施例に
かかるカセツト式ガスボンベを備えたガスコンロ
の安全装置を説明する。 DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a safety device for a gas stove equipped with a cassette type gas cylinder according to an embodiment of the present invention will be described with reference to the accompanying drawings.
図において、符号１は弁室であつて、一端にガ
スボンベ２のノズル３が嵌着されるガス注入口４
を、また他にはガスバーナ（図示せず）へのガス
供給路に接続されるガス排出口５をそれぞれ有し
ている。 In the figure, reference numeral 1 denotes a valve chamber, and a gas inlet 4 into which a nozzle 3 of a gas cylinder 2 is fitted at one end.
and a gas outlet 5 connected to a gas supply path to a gas burner (not shown).
前記弁室１は、前記ガス注入口４と対向する如
く設けられたダイヤフラム６によつて、ガス注入
口４側となる室１ａとガス排出口５となる室１ｂ
とに仕切られており、両室１ａ，１ｂ間には、前
記ダイヤフラム６をバイパスし且つ途中に圧力調
整用のガバナー７を介設してなるバイパス路８が
設けられている。 The valve chamber 1 is formed by a diaphragm 6 provided so as to face the gas inlet 4 into a chamber 1a which is on the gas inlet 4 side and a chamber 1b which is the gas outlet 5.
A bypass passage 8 is provided between the two chambers 1a and 1b, bypassing the diaphragm 6 and having a pressure regulating governor 7 interposed therebetween.
即ち、前記弁室１において、ガス注入口４側の
室１ａは、ガスボンベ２から噴出された直後の一
次圧ガスが流通する一次圧室とされ、ガス排出口
５側の室１ｂは、前記ガバナー７で燃焼に適した
圧力に調整された二次圧ガスが流通する二次圧室
とされている。 That is, in the valve chamber 1, the chamber 1a on the side of the gas inlet 4 is a primary pressure chamber through which the primary pressure gas immediately after being ejected from the gas cylinder 2 flows, and the chamber 1b on the side of the gas outlet 5 is a chamber 1a on the side of the governor. 7 is a secondary pressure chamber through which secondary pressure gas adjusted to a pressure suitable for combustion flows.
前記二次圧室１ｂ内には、前記ダイヤフラム６
と対向し該ダイヤフラム６の二次圧室１ｂ側への
膨出によつて前記一次圧室１ａ側への湾曲姿勢か
ら二次圧室１ｂ側への湾曲姿勢に反転される皿状
の反転バネ９が設けられている。 The diaphragm 6 is provided in the secondary pressure chamber 1b.
a dish-shaped reversing spring that faces the diaphragm 6 and is reversed from the curved posture toward the primary pressure chamber 1a side to the curved posture toward the secondary pressure chamber 1b side by the expansion of the diaphragm 6 toward the secondary pressure chamber 1b side; 9 is provided.
また、前記二次圧室１ｂの内壁には、前記反転
バネ９に一端を係止され且つ他端にガス排出口５
を開閉する弁体１０を設けたてこ杆１１が枢支さ
れている。 Further, one end of the inner wall of the secondary pressure chamber 1b is secured to the reversing spring 9, and a gas discharge port 5 is connected to the other end of the inner wall of the secondary pressure chamber 1b.
A lever rod 11 provided with a valve body 10 for opening and closing is pivotally supported.
該てこ杆１１においては、支点１２を中心とし
て反転バネ９側の長さl1より弁体１０側の長さl2
が十分に大きくなるようにされている。図示の場
合、l2≒3l1とされている。 In the lever rod 11, the length l 2 on the valve body 10 side is longer than the length l 1 on the reversing spring 9 side with the fulcrum 12 as the center.
is large enough. In the illustrated case, l 2 ≈3l 1 .
前記弁体１０は、反転バネ９の二次圧室１ｂへ
の反転に伴つてガス排出口５を閉止するように設
けられている。 The valve body 10 is provided so as to close the gas exhaust port 5 when the reversal spring 9 is reversed to the secondary pressure chamber 1b.
従つて、弁体１０の開閉ストロークは、反転バ
ネ９の反転ストロークの約３倍に増幅されること
となり、反転バネ９の反転ストロークが極めて小
さくとも、開閉弁ストロークを十分に確保でき
る。 Therefore, the opening/closing stroke of the valve body 10 is amplified to about three times the reversing stroke of the reversing spring 9, and even if the reversing stroke of the reversing spring 9 is extremely small, a sufficient opening/closing stroke of the valve can be ensured.
符号１３は反転バネ９を復元させるための復元
用ロツドで、その操作部１４は弁室１外に臨出さ
れている。 Reference numeral 13 denotes a restoring rod for restoring the reversing spring 9, and its operating portion 14 is exposed outside the valve chamber 1.
次に図示のカセツト式ガスボンベを備えたガス
コンロの安全装置の作用を説明する。 Next, the operation of the safety device for the gas stove equipped with the illustrated cassette type gas cylinder will be explained.
ガス供給側、即ちガスボンベ２内のガス圧力が
所定の圧力の場合は、ガスボンベ２からのガス
は、バイパス路８およびガバナー７を経てガス排
出口５からガスバーナ側へ流れるが、ガスボンベ
２の加熱等によりガス圧力が上昇すると、ダイヤ
フラム６が加圧されて二次圧室１ｂへ膨出し、反
転バネ９を押圧する。該押圧力が予じめ設定され
た反転バネ９の反転圧力を超えると、反転バネ９
が点線図示の如く一次圧室１ａ側への湾曲姿勢か
ら二次圧室１ｂ側への湾曲姿勢に反転する。該反
転作動に伴つて、てこ杆１１が支点１２を中心と
して点線図示の如く回動し、弁体１０が反転バネ
９の反転ストロークの約３倍のストロークで変位
してガス排出口５を閉止する。 When the gas pressure on the gas supply side, that is, in the gas cylinder 2, is at a predetermined pressure, the gas from the gas cylinder 2 flows from the gas outlet 5 to the gas burner side via the bypass path 8 and the governor 7, but heating of the gas cylinder 2, etc. When the gas pressure increases, the diaphragm 6 is pressurized and bulges into the secondary pressure chamber 1b, pressing the reversing spring 9. When the pressing force exceeds the preset reversing pressure of the reversing spring 9, the reversing spring 9
As shown by the dotted line, the curved posture toward the primary pressure chamber 1a side is reversed to the curved posture toward the secondary pressure chamber 1b side. With the reversal operation, the lever lever 11 rotates about the fulcrum 12 as shown by the dotted line, and the valve body 10 is displaced with a stroke approximately three times the reversal stroke of the reversal spring 9, thereby closing the gas discharge port 5. do.
かくして、ガスバーナへのガス供給が止まり、
火が消えることにより、ガスボンベ２内の液化ガ
スの異常気化の原因は解消される。 Thus, the gas supply to the gas burner is cut off.
By extinguishing the fire, the cause of abnormal vaporization of the liquefied gas in the gas cylinder 2 is eliminated.
その後、ガスボンベ２の温度あるいは圧力が平
常状態に戻ると、復元用ロツド１３を押して反転
バネ９および弁体１０を反転前の状態に復元す
る。 Thereafter, when the temperature or pressure of the gas cylinder 2 returns to normal, the restoring rod 13 is pushed to restore the reversing spring 9 and the valve body 10 to their pre-reversing state.
続いて、本考案のカセツト式ガスボンベを備え
たガスコンロの安全装置の効果を以下に列記す
る。 Next, the effects of the safety device for a gas stove equipped with a cassette type gas cylinder according to the present invention will be listed below.
即ち、本考案によれば、
(1) 弁室１においてダイヤフラム６によつて仕切
られている一次圧室１ａの圧力を感知して作動
する反転バネ９と連動するてこ杆１１の弁体１
０によつて、ガバナー７によつて圧力調整され
た二次圧ガスが流通する二次圧室１ｂ側のガス
排出口５を閉止するようにしたので、圧力変化
の大きな一次圧を感知することにより制御が容
易になることは勿論のこと、圧力が大巾に低減
された二次圧側のガス排出口５を弁体１０で閉
止することによりシール性の確保が容易にな
る、
(2) 前記弁室１に隣接してガバナー７を設けてい
るので、通路構成部材等が不要となり、構成が
極めて簡易となる、
等の実用的な効果がある。 That is, according to the present invention, (1) the valve body 1 of the lever rod 11 is operated in conjunction with the reversing spring 9 that operates by sensing the pressure in the primary pressure chamber 1a partitioned by the diaphragm 6 in the valve chamber 1;
0, the gas outlet 5 on the side of the secondary pressure chamber 1b through which the secondary pressure gas whose pressure is regulated by the governor 7 flows is closed, so that it is possible to sense the primary pressure with a large pressure change. Not only does this make control easier, but sealing performance can also be easily ensured by closing the gas outlet 5 on the secondary pressure side, where the pressure is greatly reduced, with the valve body 10. (2) As mentioned above. Since the governor 7 is provided adjacent to the valve chamber 1, there are practical effects such as eliminating the need for passage-constituting members and the like, making the configuration extremely simple.
図面は、本考案の実施例にかかるカセツト式ガ
スボンベを備えたガスコンロの安全装置を示す断
面図である。
１……弁室、１ａ……一次圧室、１ｂ……二次
圧室、２……ガスボンベ、３……ノズル、４……
ガス注入口、５……ガス排出口、６……ダイヤフ
ラム、７……ガバナー、８……バイパス路、９…
…反転バネ、１０……弁体、１１……てこ杆。
The drawing is a sectional view showing a safety device for a gas stove equipped with a cassette type gas cylinder according to an embodiment of the present invention. 1...Valve chamber, 1a...Primary pressure chamber, 1b...Secondary pressure chamber, 2...Gas cylinder, 3...Nozzle, 4...
Gas inlet, 5... Gas outlet, 6... Diaphragm, 7... Governor, 8... Bypass path, 9...
... Reversing spring, 10... Valve body, 11... Lever rod.
Claims (1)
ガス注入口４とガスバーナへ通ずるガス排出口５
とを備えた弁室１を、ダイヤフラム６を介して二
つの室１ａ，１ｂに区画し且つ該ダイヤフラム６
をバイパスして前記両室１ａ，１ｂを連通させる
バイパス路８に、供給ガス圧を調整するガバナー
７を前記弁室１に隣接する如く設けて、前記二つ
の室１ａ，１ｂを圧力調整前のガスが流通する一
次圧室および圧力調整後のガスが流通する二次圧
室となすとともに、該二次圧室１ｂ内には、前記
ダイヤフラム６と対向し該ダイヤフラム６の二次
圧室１ｂ側への膨出によつて一次圧室１ａ側への
湾曲姿勢から二次圧室１ｂ側への湾曲姿勢へ反転
作動せしめられる反転バネ９と、該反転バネ９と
連動されるてこ杆１１と、前記反転バネ９の二次
圧室１ｂ側への反転に伴つて前記ガス排出口５を
閉止する如く前記てこ杆１１に設けられた弁体１
０とを配設したことを特徴とするカセツト式ガス
ボンベを備えたガスコンロの安全装置。 A gas inlet 4 that fits the nozzle 3 of the cassette type gas cylinder 2 and a gas outlet 5 that leads to the gas burner.
The valve chamber 1 is divided into two chambers 1a and 1b via a diaphragm 6, and the diaphragm 6
A governor 7 for adjusting the supply gas pressure is provided adjacent to the valve chamber 1 in a bypass passage 8 that communicates the two chambers 1a, 1b by bypassing the gas pressure. A primary pressure chamber through which gas flows and a secondary pressure chamber through which pressure-adjusted gas flows, and inside the secondary pressure chamber 1b, there is a chamber facing the diaphragm 6 and on the side of the secondary pressure chamber 1b of the diaphragm 6. A reversing spring 9 that is reversed from a curved position toward the primary pressure chamber 1a side to a curved position toward the secondary pressure chamber 1b side by the expansion thereof; and a lever lever 11 that is interlocked with the reversing spring 9. A valve body 1 is provided on the lever rod 11 so as to close the gas discharge port 5 when the reversing spring 9 is reversed toward the secondary pressure chamber 1b side.
A safety device for a gas stove equipped with a cassette type gas cylinder, characterized in that a gas stove is equipped with a cassette type gas cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981094768U JPS6326640Y2 (en) | 1981-06-24 | 1981-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981094768U JPS6326640Y2 (en) | 1981-06-24 | 1981-06-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57205499U JPS57205499U (en) | 1982-12-27 |
| JPS6326640Y2 true JPS6326640Y2 (en) | 1988-07-19 |
Family
ID=29889688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981094768U Expired JPS6326640Y2 (en) | 1981-06-24 | 1981-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6326640Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5027429A (en) * | 1973-07-09 | 1975-03-20 |
-
1981
- 1981-06-24 JP JP1981094768U patent/JPS6326640Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5027429A (en) * | 1973-07-09 | 1975-03-20 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57205499U (en) | 1982-12-27 |
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