JPS6345774Y2 - - Google Patents
Info
- Publication number
- JPS6345774Y2 JPS6345774Y2 JP1981178687U JP17868781U JPS6345774Y2 JP S6345774 Y2 JPS6345774 Y2 JP S6345774Y2 JP 1981178687 U JP1981178687 U JP 1981178687U JP 17868781 U JP17868781 U JP 17868781U JP S6345774 Y2 JPS6345774 Y2 JP S6345774Y2
- Authority
- JP
- Japan
- Prior art keywords
- discharge port
- pressure relief
- relief valve
- end plate
- 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
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000012856 packing Methods 0.000 description 7
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
- H01H33/56—Gas reservoirs
- H01H2033/568—Gas reservoirs with overpressure release, e.g. rupture membranes
Description
【考案の詳細な説明】
完全密封型ガス開閉器に於いては万一内部短絡
事故等が発生して急激な内圧上昇が発生した時に
は放圧弁の作動により速やかに発生高圧を放圧し
開閉器本体の変形するのを防せぎ且内部からの飛
散物の放出を防止することが必要である。此の様
に放圧弁は放圧を速やかに行う為めに異状時には
機械的強度が極めて弱わく、しかも通常使用時に
は極めて強靭な耐力を必要すると言う相反する両
特性を持つことが要求せられる。本案は斯かる要
求を簡単な構造で満足さすことを目的としたもの
である。[Detailed explanation of the invention] In the case of a completely sealed gas switch, if an internal short circuit occurs and a sudden increase in internal pressure occurs, the pressure relief valve is activated to quickly release the high pressure that has occurred and close the switch body. It is necessary to prevent the structure from deforming and to prevent the release of flying debris from inside. In order to release pressure quickly, pressure relief valves are required to have two contradictory characteristics: their mechanical strength is extremely weak in the event of an abnormality, and yet they require extremely strong proof strength during normal use. The purpose of this proposal is to satisfy these requirements with a simple structure.
密封型ガス開閉器に於ける従来の放圧弁では弁
の開放特性を高めてやればやるほど弁体そのもの
が弱わくなり従つて開放し易すくなるので通常の
使用時に甚だ不安定となるのが普通であり又耐久
性にも劣とる等の欠陥がある。本案はかかる従来
欠陥のない放圧弁を提出するものである。 With conventional pressure relief valves in sealed gas switches, the higher the opening characteristics of the valve, the weaker the valve body itself becomes and the easier it becomes to open, making it extremely unstable during normal use. It is ordinary and has some defects such as poor durability. This proposal proposes a pressure relief valve that does not have such conventional defects.
添付の本案実施例図第１図第２図に於いて１は
開閉器本体で２は本体１の側方に熔接３で密接し
た鏡板である。本案は上記鏡板２の畧中央に円状
のガス放出口４を開設して該放出口４の内周縁に
添つて例えば鎖車歯の如き尖鋭の突起５，５，５
…を連続して突設ししかも内周縁一部は突起を設
けないでフラツト部６として残こし、此の様に形
成した放出口４の内面に対しアルミ或はステンレ
ス等の薄い金属膜板を熔接７で接着して放圧弁８
を構成し且放出口４の外面に円形パツキン９を接
着して内面の放出弁８を外気の雰囲気と遮断して
錆の発生するを防止する様にし、更にパツキン９
の外側に於いて鏡板２及本体１との間に若干のガ
ス放出用空隙g1，g2を置いてストツパーフランジ
１０を半密封状に本体１に嵌合し之をボルト１１
で鏡板２に固定して構成した放圧弁構造である。 In the attached drawings of the present invention, shown in FIG. 1 and FIG. 2, 1 is a main body of the switch, and 2 is an end plate closely attached to the side of the main body 1 by welding 3. In this case, a circular gas discharge port 4 is provided in the center of the ridge of the mirror plate 2, and sharp projections 5, 5, 5, such as chain wheel teeth, are provided along the inner peripheral edge of the discharge port 4.
... are continuously protruded, and a part of the inner peripheral edge is left as a flat part 6 without any protrusion, and a thin metal film plate made of aluminum or stainless steel is attached to the inner surface of the discharge port 4 formed in this way. Glue with welding 7 and attach pressure relief valve 8
A circular packing 9 is adhered to the outer surface of the discharge port 4 to isolate the inner discharge valve 8 from the outside air and prevent rust from forming.
The stopper flange 10 is fitted into the main body 1 in a semi-sealed manner with a slight gas release gap g 1 , g 2 between the end plate 2 and the main body 1 on the outside of the bolt 11 .
This is a pressure relief valve structure configured by being fixed to the mirror plate 2.
尚上記の円形パツキン９の外側にはパツキン押
板１２を重ねてボルト１３で鏡板２に固定してパ
ツキン９の防錆及保護を一層良好とするが良い。
又放出口４の形状は円形以外に多種多角形として
よいこと言う迄もない。そして本案実施の一例と
して放圧弁８の厚みを0.2mmとして頗る良好な結
果を得た。 It is preferable that a packing press plate 12 is stacked on the outside of the circular packing 9 and fixed to the end plate 2 with bolts 13 to further improve the rust prevention and protection of the packing 9.
It goes without saying that the shape of the outlet 4 may be various polygons other than circular. As an example of implementing the present invention, excellent results were obtained by setting the thickness of the pressure relief valve 8 to 0.2 mm.
本案は上記の如く構成したので、密封型ガス開
閉器の通常使用時には金属膜板の放圧弁８はパツ
キン９で防錆せられて鏡板２の内面に保全せられ
るので通常の内圧に対しては充分に耐圧力を発揮
し長期使用に適応する。今若し開閉器内部に短絡
等の事故が発生して異状の高圧が発生する時には
放圧弁８は金属性とはいえ膜板であるので該発生
高圧により外方に膨らみ其の膨らみの為めに第３
図示の如く連続突出の尖鋭突起５，５，５…によ
り放圧弁８の付根が切り裂かれて放出口４から外
方に離なれ出て発生高圧ガスはストツパーフラン
ジ１０と本体及鏡板との間の空隙g1，g2を通じて
外気界に放出せられるのである。此の際放出弁９
は其の一部が鏡板のフラツト部６に連り残こり且
其他のパツキン９等もストツパーフランジ１０内
面に止め残されるので従来の様にガス開閉器から
外気界に飛散物が放出せられることの無い安全な
ものである。以上の故に本案による時は極めて簡
単安価の構造を以つて密閉型ガス開閉器を長期・
安全に使用することが出来且若し内部高圧ガス発
生の時には速やかに高圧ガスを放出し、しかも内
部飛散物を出さない大きな実用的効果を奏する。 Since the present invention is constructed as described above, during normal use of the sealed gas switch, the pressure relief valve 8 made of the metal membrane plate is protected from rust by the packing 9 and is maintained on the inner surface of the end plate 2, so that it is protected against normal internal pressure. It has sufficient pressure resistance and is suitable for long-term use. If an accident such as a short circuit occurs inside the switch and abnormally high pressure is generated, the pressure relief valve 8 will bulge outward due to the generated high pressure because it is a membrane plate even though it is made of metal. 3rd to
As shown in the figure, the base of the pressure relief valve 8 is torn apart by the continuously protruding sharp protrusions 5, 5, 5, etc., and the generated high-pressure gas is released outward from the discharge port 4 between the stopper flange 10 and the main body and end plate. It is released into the outside air through the air gaps g 1 and g 2 . At this time, release valve 9
A part of it remains on the flat part 6 of the end plate, and other gaskets 9 and the like remain on the inner surface of the stopper flange 10, so that the scattered matter is released from the gas switch to the outside air as in the conventional case. It is absolutely safe. For the above reasons, the present proposal is to provide a closed gas switch with an extremely simple and inexpensive structure for long-term use.
It is safe to use, quickly releases high-pressure gas when internal high-pressure gas is generated, and has a great practical effect of not producing internal debris.
添付第１図は本案実施例の密封型ガス開閉器に
於ける放圧弁構造の一部切欠正面図で第２図は第
１図Ｘ−Ｘ線に添う縦断矢視図第３図は高圧ガス
発生時に於けるガス放圧状態を示す上記Ｘ−Ｘ線
に添う縦断矢視図である。
１……密封型ガス開閉器の本体、２……鏡板、
４……鏡板に開口したガス放出口、５……尖鋭な
突起、６……フラツト部、８……金属膜板の放出
弁、９……パツキン、１０……ストツパーフラン
ジ、１２……パツキン押板。
Attached Figure 1 is a partially cutaway front view of the pressure relief valve structure in the sealed gas switch according to the present embodiment, and Figure 2 is a longitudinal view taken along line X-X in Figure 1. Figure 3 is a high-pressure gas FIG. 2 is a longitudinal view taken along the line X--X showing the gas pressure release state at the time of generation. 1... Body of sealed gas switch, 2... End plate,
4... Gas discharge port opened in end plate, 5... Sharp protrusion, 6... Flat part, 8... Release valve of metal membrane plate, 9... Packing, 10... Stopper flange, 12... Packing Push plate.
Claims (1)
て該放出口の内周縁に尖鋭突起５，５，５…を連
続突設ししかも内周縁一部には突起を設けずにフ
ラツト部６として残し、上記放出口４の内面に対
し金属膜板の放圧弁８を接着し外面に対しパツキ
ン９を接着し且最終外側に鏡板及本体との間にガ
ス放出用空隙g1，g2を置いてストツパーフランジ
１０を嵌着した密封型ガス開閉器に於ける放圧弁
構造。 A discharge port 4 is provided in the end plate 2 of a closed type gas switch, and sharp protrusions 5, 5, 5, etc. are continuously protruded from the inner circumferential edge of the discharge port, and a portion of the inner circumferential edge is not provided with any protrusions and is flat. A pressure relief valve 8 made of a metal film plate is adhered to the inner surface of the discharge port 4, a gasket 9 is adhered to the outer surface, and gas discharge gaps g 1 , g 2 are left between the end plate and the main body on the outer side. A pressure relief valve structure in a sealed gas switch in which a stopper flange 10 is fitted with
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17868781U JPS5883905U (en) | 1981-12-02 | 1981-12-02 | Pressure relief valve structure in sealed gas switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17868781U JPS5883905U (en) | 1981-12-02 | 1981-12-02 | Pressure relief valve structure in sealed gas switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5883905U JPS5883905U (en) | 1983-06-07 |
| JPS6345774Y2 true JPS6345774Y2 (en) | 1988-11-29 |
Family
ID=29973710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17868781U Granted JPS5883905U (en) | 1981-12-02 | 1981-12-02 | Pressure relief valve structure in sealed gas switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5883905U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH033952Y2 (en) * | 1985-10-24 | 1991-01-31 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS505408A (en) * | 1973-05-18 | 1975-01-21 | ||
| JPS5444223A (en) * | 1977-09-12 | 1979-04-07 | Black Sivalls & Bryson Inc | Pressure safety relief apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5253358U (en) * | 1975-10-16 | 1977-04-16 |
-
1981
- 1981-12-02 JP JP17868781U patent/JPS5883905U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS505408A (en) * | 1973-05-18 | 1975-01-21 | ||
| JPS5444223A (en) * | 1977-09-12 | 1979-04-07 | Black Sivalls & Bryson Inc | Pressure safety relief apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5883905U (en) | 1983-06-07 |
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