JP3072827B2 - cabinet - Google Patents
cabinetInfo
- Publication number
- JP3072827B2 JP3072827B2 JP07018652A JP1865295A JP3072827B2 JP 3072827 B2 JP3072827 B2 JP 3072827B2 JP 07018652 A JP07018652 A JP 07018652A JP 1865295 A JP1865295 A JP 1865295A JP 3072827 B2 JP3072827 B2 JP 3072827B2
- Authority
- JP
- Japan
- Prior art keywords
- door
- cabinet
- pressure
- main body
- hinge
- 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 - Lifetime
Links
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
Landscapes
- Patch Boards (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、地中配電線の分岐部等
に設置される、放圧機構を備えたキャビネットに関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cabinet provided with a pressure relief mechanism, which is installed at a branch of an underground distribution line.
【０００２】[0002]
【従来の技術】地中配電線の分岐部等に設置されて開閉
器等を収納するキャビネットは、内部機器の故障、短
絡、劣化等による発熱のために内部圧力が急激に上昇す
ることがある。そこで従来は、内圧の上昇による破裂事
故を防止するための放圧機構がキャビネットに設置され
ている。図４，図５は、従来のキャビネットにおける放
圧機構の一例を示す。この放圧機構は、キャビネット本
体１に扉２を開閉自在に取付けるヒンジ３を扉２側に固
定し、さらに、扉２の前後方向の移動を自在にして、ヒ
ンジ３にスライドバー１１の先端を固定している。2. Description of the Related Art In a cabinet installed at a branch portion of an underground distribution line or the like to house a switch or the like, the internal pressure may rise sharply due to heat generation due to failure, short circuit, deterioration or the like of internal equipment. . Therefore, conventionally, a pressure release mechanism for preventing a rupture accident due to an increase in internal pressure is installed in a cabinet. 4 and 5 show an example of a pressure release mechanism in a conventional cabinet. This pressure release mechanism fixes a hinge 3 for freely opening and closing the door 2 to the cabinet body 1 on the door 2 side, and further allows the door 2 to freely move in the front-rear direction. It is fixed.
【０００３】スライドバー１１は、本体１の内側で圧縮
コイルばね１２を介して、Ｌ金具１３により支持されて
おり、常時、後退方向へ一定の圧力で引っ張られること
により、扉２は定位置に支持されている。それにより、
キャビネットの内圧が上昇した場合に、内圧を受けた扉
２がヒンジ３とともに前方へ移動しようとし、その力
が、圧縮コイルばね１２のばね力より大きくなると、ば
ね１２は圧縮されてスライドバー１１が前進して扉２と
キャビネット本体との間に隙間が形成され、内部圧が解
放される。[0003] The slide bar 11 is supported by an L bracket 13 through a compression coil spring 12 inside the main body 1, and is constantly pulled in a retreating direction with a constant pressure, so that the door 2 is in a fixed position. Supported. Thereby,
When the internal pressure of the cabinet rises, the door 2 receiving the internal pressure tries to move forward together with the hinge 3, and when the force becomes larger than the spring force of the compression coil spring 12, the spring 12 is compressed and the slide bar 11 is moved. Moving forward, a gap is formed between the door 2 and the cabinet body, and the internal pressure is released.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上述し
た従来のキャビネットでは、放圧機構が複雑になり、部
品点数が多くなるとともに、部品の加工精度および組立
精度が要求されてコストが上昇してしまう。また、スラ
イドバー１１の設置スペースがデッドスペースとなり、
その分、キャビネットが大型になってしまう。さらに
は、組立時にばね圧の調整が煩わしい等の問題があっ
た。本発明は上記問題点を解決するためになされたもの
で、その目的とするところは、放圧機構の構造を簡単に
するとともにその組立時における作動圧の調整を不要に
したキャビネットを提供することにある。However, in the above-mentioned conventional cabinet, the pressure release mechanism is complicated, the number of components is increased, and the processing accuracy and assembly accuracy of the components are required, thereby increasing the cost. . Also, the installation space of the slide bar 11 becomes a dead space,
The cabinet would be large. Further, there is a problem that adjustment of spring pressure is troublesome during assembly. SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a cabinet that simplifies the structure of a pressure release mechanism and that does not require adjustment of operating pressure during assembly. It is in.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
に、本発明は、キャビネットの内圧が上昇すると本体前
面の扉を支持するヒンジを前方へ移動させることにより
本体と扉との間に隙間を形成して内圧を開放する放圧機
構を備えたキャビネットにおいて、キャビネット本体と
扉との間にあってその接合面と平行に作動板を支持する
とともに、ヒンジを扉側に固定しそのヒンジの可動体に
作動板の下端を熔接固定しかつ作動板の上端を本体に熔
接固定して放圧機構を形成したことを特徴とする。In order to achieve the above-mentioned object, the present invention provides a method for moving a hinge between a main body and a door by moving a hinge supporting a door on the front of the main body when the internal pressure of the cabinet increases. In the cabinet provided with a pressure relief mechanism for releasing the internal pressure, the operating plate is supported between the cabinet body and the door in parallel with the joint surface thereof, the hinge is fixed to the door side, and the movable body of the hinge is fixed. The pressure release mechanism is formed by welding and fixing the lower end of the operating plate to the main body and welding and fixing the upper end of the operating plate to the main body.
【０００６】[0006]
【作用】本発明においては、キャビネット本体と扉との
間にあってその接合面と平行に支持された作動板の下端
が、扉側に固定されたヒンジの可動体に熔接固定され、
上端が本体に熔接固定されて、扉が本体に支持される。
それにより、キャビネットの内圧が平常の圧力の場合
は、扉は自重により作動板に吊り下げられて本体に当接
した状態となる。このとき、ヒンジに支えられている扉
は通常の開閉が可能である。また、内圧が上昇した場合
は、内圧を受けた扉が作動板を変形させながら斜め上方
へ移動して、本体との間に隙間が生じて内圧が放出され
る。なお、隙間は内圧に応じて増大し、最大値は作動板
の長さによって決まる。In the present invention, the lower end of the operating plate, which is provided between the cabinet body and the door and supported in parallel with the joint surface, is fixed to the movable body of the hinge fixed to the door by welding.
The upper end is welded and fixed to the main body, and the door is supported by the main body.
Thus, when the internal pressure of the cabinet is a normal pressure, the door is suspended by the operating plate by its own weight and comes into contact with the main body. At this time, the door supported by the hinge can be normally opened and closed. When the internal pressure increases, the door receiving the internal pressure moves obliquely upward while deforming the operation plate, and a gap is formed between the door and the main body to release the internal pressure. Note that the gap increases according to the internal pressure, and the maximum value is determined by the length of the operation plate.
【０００７】[0007]
【実施例】以下、図に沿って本発明の実施例を説明す
る。図１は本発明に係るキャビネットの放圧機構の実施
例の要部を示す水平断面図である。図２は図１のＡ−Ａ
線断面図である。図において、１はキャビネット本体、
２は扉であり、扉２にはヒンジ３の両端の筒部３１，３
２が熔接により固定されている。筒部３１，３２の間に
はヒンジピン３３を介して、可動体であるところの筒部
３４が回動自在に支持されている。筒部３４には、作動
板４が熔接により固定されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a horizontal sectional view showing a main part of an embodiment of a pressure release mechanism of a cabinet according to the present invention. FIG. 2 is a sectional view taken on line AA of FIG.
It is a line sectional view. In the figure, 1 is a cabinet body,
Reference numeral 2 denotes a door, and the door 2 has cylindrical portions 31 and 3 at both ends of a hinge 3.
2 is fixed by welding. A movable cylinder 34 is rotatably supported between the cylinders 31 and 32 via a hinge pin 33. The operation plate 4 is fixed to the cylindrical portion 34 by welding.
【０００８】作動板４は、鋼板等の板材の下端をＬ形に
折曲したものであり、下端部とその上方の２箇所で筒部
３４に熔接される。なお、この上方の熔接部は接続片５
を介して熔接されている。作動板４の上端はスぺーサ６
を介して、キャビネット本体１に熔接されている。これ
ら図１、図２は、キャビネット内が平常圧力の状態を示
し、作動板４は、本体１と扉２の間で垂直方向に支持さ
れる。またこのとき、扉２はその自重がヒンジ３を介し
て作動板４に吊り下げられており、この状態が扉２と本
体１が最も接近した位置となり、扉２が閉じられた状態
で、扉２と本体１はパッキン７により封止される。The operating plate 4 is formed by bending the lower end of a plate material such as a steel plate into an L shape, and is welded to the cylindrical portion 34 at the lower end and at two places above the lower end. The upper welding portion is connected to the connecting piece 5.
Is welded through. The upper end of the operating plate 4 is a spacer 6
, And is welded to the cabinet body 1. 1 and 2 show a state where the inside of the cabinet is at normal pressure, and the operation plate 4 is vertically supported between the main body 1 and the door 2. At this time, the door 2 has its own weight suspended from the operation plate 4 via the hinge 3, and this state is a position where the door 2 and the main body 1 are closest to each other, and when the door 2 is closed, the door 2 is closed. 2 and the main body 1 are sealed by a packing 7.
【０００９】次に、これらの構成をした放圧機構の動作
について説明する。キャビネットの内圧が上昇すると、
扉２が外方へ押圧され、それらの加圧力は筒部３４に集
中する。それにより、扉２とともに筒部３４が前方へ移
動しようとすると、筒部３４を支持している作動板４へ
その荷重が加わり、作動板４が変形し扉２は斜め上方
に、振り子が振れるように移動を開始する。その状態を
示したのが図３であり、扉２が極限まで移動した状態で
ある。作動板４は、上部のスぺーサ６との接続部と下部
の接続片５との接続部の位置でそれぞれほぼ直角に折曲
されて、中間部が水平状態となり、扉２を本体１に引止
めている。Next, the operation of the pressure release mechanism having these configurations will be described. When the internal pressure of the cabinet increases,
The door 2 is pressed outward, and the pressing force concentrates on the cylindrical portion 34. As a result, when the cylinder portion 34 moves forward with the door 2, the load is applied to the operation plate 4 supporting the cylinder portion 34, the operation plate 4 is deformed, and the pendulum swings obliquely upward in the door 2. To start moving. FIG. 3 shows this state, in which the door 2 has moved to the limit. The operation plate 4 is bent at substantially right angles at the positions of the connection portion with the upper spacer 6 and the connection portion with the lower connection piece 5, and the middle portion is in a horizontal state, and the door 2 is attached to the main body 1. I'm stopping.
【００１０】ここで、扉２の移動量は、作動板４に加わ
る扉２の重量Ｗと、内圧上昇による前方への推力Ｆと、
作動板４を折曲変形させるのに必要な曲げモーメントＭ
とにより求められるため、あらかじめ作動させようとす
る内圧に応じて、作動板４の取付け個数および長さ、曲
げ剛性等を設定しておくことが可能である。そこで、所
定の作動圧が得られるように作動板４等の寸法等を設計
しておくことで、キャビネットの組立時には作動圧の調
整工程が不要となり、組立作業が容易になる。また同様
に、放圧機構の構造が簡単になった分、部品点数も少な
くなり、コストダウンも可能になる。Here, the amount of movement of the door 2 is determined by the weight W of the door 2 applied to the operating plate 4, the forward thrust F due to the increase in the internal pressure, and
Bending moment M required for bending and deforming operation plate 4
Therefore, the number and length of the operation plates 4 to be mounted, the bending rigidity, and the like can be set in advance according to the internal pressure to be operated. Therefore, by designing the dimensions and the like of the operation plate 4 and the like so that a predetermined operation pressure can be obtained, the operation pressure adjustment step is not required at the time of assembling the cabinet, and the assembling work is facilitated. Similarly, since the structure of the pressure release mechanism is simplified, the number of parts is reduced and the cost can be reduced.
【００１１】さらには、この放圧機構部はデッドスペー
スがないため、キャビネットを大型化することがない。
なお、実施例では、キャビネット全体の表示を省略して
いるが、キャビネット本体１の前面両側にヒンジ３によ
り扉２が開閉自在に支持されており、上述した放圧機構
は各ヒンジごとに設置される。また、実施例では、作動
板４をヒンジ３と本体１との間に取付けたが、本体１と
扉２を入れ替えて、ヒンジ３と扉２との間に作動板４を
取付けることも可能である。Further, since the pressure releasing mechanism has no dead space, the cabinet is not enlarged.
In the embodiment, the display of the entire cabinet is omitted, but the door 2 is supported on both sides of the front surface of the cabinet body 1 by hinges 3 so as to be openable and closable, and the above-described pressure release mechanism is installed for each hinge. You. Further, in the embodiment, the operation plate 4 is mounted between the hinge 3 and the main body 1, but the operation plate 4 can be mounted between the hinge 3 and the door 2 by exchanging the main body 1 and the door 2. is there.
【００１２】[0012]
【発明の効果】以上述べたように本発明によれば、扉を
支持するヒンジと本体との間を作動板により連結して放
圧機構を形成したことにより、放圧機構が簡単になり部
品点数も少なくなるとともに組立も簡単になる。また、
作動圧は、扉の重量と作動板の曲げ剛性等によってあら
かじめ設定されるため、組立時の作動圧の調整が不要と
なる。さらには、放圧機構のためにデッドスペースが形
成されないことにより、従来例のようにキャビネットが
大型化されることがなくなる。As described above, according to the present invention, the pressure release mechanism is formed by connecting the hinge supporting the door and the main body by the operation plate, thereby simplifying the pressure release mechanism. The number of points is reduced and the assembly is simplified. Also,
Since the operating pressure is set in advance according to the weight of the door and the bending rigidity of the operating plate, it is not necessary to adjust the operating pressure during assembly. Further, since no dead space is formed due to the pressure release mechanism, the cabinet is not increased in size as in the conventional example.
【図１】本発明に係る実施例の要部を示す水平断面図で
ある。FIG. 1 is a horizontal sectional view showing a main part of an embodiment according to the present invention.
【図２】図１のＡ−Ａ線断面図である。FIG. 2 is a sectional view taken along line AA of FIG.
【図３】実施例の動作状態を示す説明図である。FIG. 3 is an explanatory diagram showing an operation state of the embodiment.
【図４】従来例を示す説明図である。FIG. 4 is an explanatory diagram showing a conventional example.
【図５】従来例を示す説明図である。FIG. 5 is an explanatory view showing a conventional example.
１ キャビネット本体 ２ 扉 ３ ヒンジ ４ 作動板 ５ 接続片 ６ スぺーサ ７ パッキン ３１，３２ 筒部 ３３ ヒンジピン ３４ 筒部 DESCRIPTION OF SYMBOLS 1 Cabinet main body 2 Door 3 Hinge 4 Operating plate 5 Connection piece 6 Spacer 7 Packing 31, 32 Tube part 33 Hinge pin 34 Tube part
フロントページの続き (56)参考文献 特開 昭53−174244（ＪＰ，Ａ) 実開 昭53−146035（ＪＰ，Ｕ) 実開 平５−23703（ＪＰ，Ｕ) 実開 昭55−19401（ＪＰ，Ｕ) 実開 平２−103703（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) H02B 1/26 - 1/38 H01H 33/575 H05K 5/03 - 5/06 Continuation of the front page (56) References JP-A-53-174244 (JP, A) JP-A-53-146035 (JP, U) JP-A-5-23703 (JP, U) JP-A 55-19401 (JP) , U) Hikaru 2-103703 (JP, U) (58) Fields surveyed (Int. Cl. 7 , DB name) H02B 1/26-1/38 H01H 33/575 H05K 5/03-5/06
Claims (1)
面の扉を支持するヒンジを前方へ移動させることにより
本体と扉との間に隙間を形成して内圧を開放する放圧機
構を備えたキャビネットにおいて、 キャビネット本体と扉との間にあってその接合面と平行
に作動板を支持するとともに、ヒンジを扉側に固定しそ
のヒンジの可動体に作動板の下端を熔接固定しかつ作動
板の上端を本体に熔接固定して放圧機構を形成したこと
を特徴とするキャビネット。1. A cabinet provided with a pressure release mechanism for releasing a pressure between a main body and a door by moving a hinge supporting a door on a front surface of the main body forward when the internal pressure of the cabinet increases, thereby releasing the internal pressure. The operation plate is supported between the cabinet body and the door in parallel with the joint surface, the hinge is fixed to the door side, the lower end of the operation plate is welded to the movable body of the hinge, and the upper end of the operation plate is fixed to the main body. A cabinet characterized by forming a pressure release mechanism by welding and fixing to a cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07018652A JP3072827B2 (en) | 1995-01-11 | 1995-01-11 | cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07018652A JP3072827B2 (en) | 1995-01-11 | 1995-01-11 | cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08191511A JPH08191511A (en) | 1996-07-23 |
| JP3072827B2 true JP3072827B2 (en) | 2000-08-07 |
Family
ID=11977556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP07018652A Expired - Lifetime JP3072827B2 (en) | 1995-01-11 | 1995-01-11 | cabinet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3072827B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111901999A (en) * | 2020-08-12 | 2020-11-06 | 远江信息技术有限公司 | Terminal equipment of wisdom community |
| JP7572253B2 (en) | 2021-01-25 | 2024-10-23 | 本田技研工業株式会社 | Hydrogen Production Equipment |
-
1995
- 1995-01-11 JP JP07018652A patent/JP3072827B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08191511A (en) | 1996-07-23 |
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