JPH06124639A - Circuit breaker - Google Patents
Circuit breakerInfo
- Publication number
- JPH06124639A JPH06124639A JP27003492A JP27003492A JPH06124639A JP H06124639 A JPH06124639 A JP H06124639A JP 27003492 A JP27003492 A JP 27003492A JP 27003492 A JP27003492 A JP 27003492A JP H06124639 A JPH06124639 A JP H06124639A
- Authority
- JP
- Japan
- Prior art keywords
- main cover
- base
- circuit breaker
- mounting screw
- cover
- 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.)
- Pending
Links
Landscapes
- Breakers (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、警報スイッチ，補助
スイッチなどの付属装置を備えた回路遮断器に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a circuit breaker equipped with auxiliary devices such as an alarm switch and an auxiliary switch.
【０００２】[0002]
【従来の技術】図３は例えば実開昭５９−８６６３９号
公報および特開昭５９−１０１７３４号公報に示された
従来の回路遮断器を示す分解斜視図である。図におい
て、１はベース１ａとこのベース１ａに主カバー取付ね
じ２により着脱自在に固定される主カバー１ｂとからな
りかつ遮断機構（図示せず）を内蔵する遮断器ケース、
３は主カバー１ｂのベース１ａとは反対側の面１０１に
形成されて遮断機構の付属装置（図示しないが、例えば
警報スイッチ，補助スイッチ，電圧引外し装置，不足電
圧引外し装置がある）を収容する凹所、４は凹所３の底
面に開口して付属装置のアクチュエータを遮断機構に連
繋させるためのアクチュエータ挿入穴、５は遮断機構を
外部から操作するハンドル、６は凹所３を閉塞する補助
カバーで、補助カバー取付ねじ７により主カバー１ｂに
着脱自在に取付けられる。2. Description of the Related Art FIG. 3 is an exploded perspective view showing a conventional circuit breaker disclosed in, for example, Japanese Utility Model Laid-Open No. 59-86639 and Japanese Patent Laid-Open No. 59-101734. In the figure, reference numeral 1 denotes a circuit breaker case which comprises a base 1a and a main cover 1b which is detachably fixed to the base 1a by a main cover mounting screw 2 and which has a built-in breaking mechanism (not shown).
3 is formed on the surface 101 of the main cover 1b on the side opposite to the base 1a and is provided with an auxiliary device of the breaking mechanism (although not shown, there are, for example, an alarm switch, an auxiliary switch, a voltage trip device, an undervoltage trip device) A recess 4 for accommodating is formed in the bottom surface of the recess 3 and an actuator insertion hole for connecting the actuator of the accessory device to the cutoff mechanism. 5 is a handle for operating the cutoff mechanism from the outside. The auxiliary cover is detachably attached to the main cover 1b by the auxiliary cover attaching screw 7.
【０００３】このように主カバー１ｂのベース１ａとは
反対側の面１０１に凹所３を形成して、その中に付属装
置を収容することにより、付属装置を遮断器ケース１内
に収容した場合と比較して、付属装置の取付けや取外し
の場合に補助カバー６だけを外せばよく、主カバー１ｂ
は外す必要がないため、遮断器ケース１内に異物が侵入
したり部品が脱落したりすることがなくなり、また遮断
機構の開閉接点間に生じるアークにより付属装置が損傷
を受けることがなくなるといった利点が得られるもので
ある。As described above, the recess 3 is formed on the surface 101 of the main cover 1b opposite to the base 1a, and the accessory device is accommodated therein, whereby the accessory device is accommodated in the breaker case 1. Compared with the case, it is sufficient to remove only the auxiliary cover 6 when attaching or detaching the auxiliary device.
Since it does not need to be removed, foreign matter does not enter the circuit breaker case 1 and parts do not fall off, and the arc generated between the switching contacts of the circuit breaker does not damage the accessory. Is obtained.
【０００４】[0004]
【発明が解決しようとする課題】従来の回路遮断器では
前記したように補助カバー６を外すだけで付属装置を凹
所３に取付けたり，取外したりできるようになっている
ので、客先において付属装置の取捨選択ができる。とこ
ろが、図３に示すように補助カバー取付ねじ７と主カバ
ー取付ねじ２とが共に遮断器正面に露出しているので、
補助カバー６を外すときに間違って主カバー取付ねじ２
を外すと、主カバー１ｂが外れて遮断器ケーズ１内の充
電部が露出して危険であるという問題点があった。In the conventional circuit breaker, as described above, the accessory can be attached to or removed from the recess 3 simply by removing the auxiliary cover 6, so that it can be attached at the customer's side. You can select the device. However, as shown in FIG. 3, since both the auxiliary cover mounting screw 7 and the main cover mounting screw 2 are exposed to the front of the circuit breaker,
When removing the auxiliary cover 6, the main cover mounting screw 2
However, there is a problem that the main cover 1b comes off and the charging part in the circuit breaker case 1 is exposed, which is dangerous.
【０００５】この発明はかかる問題点を解消するために
なされたもので、補助カバーを開くときに間違って主カ
バーを開かないようにして誤使用による危険性を防止で
きる信頼性の高い回路遮断器を得ることを目的とする。The present invention has been made in order to solve the above problems, and when the auxiliary cover is opened, it is possible to prevent the main cover from being opened by mistake and prevent the risk of misuse. Aim to get.
【０００６】[0006]
【課題を解決するための手段】この発明に係る回路遮断
器は、主カバー取付ねじをベース側から主カバーに螺入
したものである。In the circuit breaker according to the present invention, a main cover mounting screw is screwed into the main cover from the base side.
【０００７】[0007]
【作用】この発明においては、主カバー取付ねじをベー
ス側から主カバーに螺入したので、遮断器正面には補助
カバー取付ねじのみが露出する。In the present invention, since the main cover mounting screw is screwed into the main cover from the base side, only the auxiliary cover mounting screw is exposed on the front of the circuit breaker.
【０００８】[0008]
実施例１．この発明の一実施例を図１について説明す
る。図１は分解斜視図であり、前記従来のものと同一ま
たは相当部分には同一符号を付して説明を省略する。図
において、２Ａは主カバー取付ねじで、ベース１ａ側か
ら主カバー１ｂに螺入してある。Example 1. One embodiment of the present invention will be described with reference to FIG. FIG. 1 is an exploded perspective view, and the same or corresponding parts as those of the conventional one are designated by the same reference numerals and the description thereof will be omitted. In the figure, 2A is a main cover mounting screw, which is screwed into the main cover 1b from the base 1a side.
【０００９】このように主カバー取付ねじ２Ａをベース
１ａ側から主カバー１ｂに螺入しておくと、遮断器正面
には補助カバー取付ねじ７のみが露出するので、補助カ
バー６を開くときに間違って主カバー取付ねじ２Ａを外
すことがない。When the main cover mounting screw 2A is screwed into the main cover 1b from the base 1a side in this way, only the auxiliary cover mounting screw 7 is exposed on the front side of the circuit breaker, so that when the auxiliary cover 6 is opened. Do not accidentally remove the main cover mounting screw 2A.
【００１０】実施例２．この発明の他の実施例を図２に
ついて説明する。図２は分解斜視図であり、前記従来の
ものと同一または相当部分には同一符号を付して説明を
省略する。図において、６Ａは補助カバーで、主カバー
１ｂの面１０１に露出する主カバー取付ねじ２を覆う部
分６ａを有している。Embodiment 2. Another embodiment of the present invention will be described with reference to FIG. FIG. 2 is an exploded perspective view, and the same or corresponding parts as those of the conventional one are designated by the same reference numerals and the description thereof will be omitted. In the figure, 6A is an auxiliary cover, which has a portion 6a for covering the main cover mounting screw 2 exposed on the surface 101 of the main cover 1b.
【００１１】このように補助カバー６Ａの部分６ａによ
り主カバー取付ねじ２を覆っておくと、遮断器正面には
補助カバー取付ねじ７のみが露出する。なお、主カバー
取付ねじ２の頭が面１０１より突出しているときには、
補助カバー６Ａの部分６ａに頭収容用凹部８を設けてお
く。When the main cover mounting screw 2 is covered with the portion 6a of the auxiliary cover 6A in this manner, only the auxiliary cover mounting screw 7 is exposed at the front of the circuit breaker. When the head of the main cover mounting screw 2 projects from the surface 101,
A head accommodation recess 8 is provided in the portion 6a of the auxiliary cover 6A.
【００１２】[0012]
【発明の効果】以上のように、この発明によれば補助カ
バーを開くときに間違って主カバーを開かないようにし
て誤使用による危険性を防止できる信頼性の高いものが
得られという効果がある。As described above, according to the present invention, when the auxiliary cover is opened, it is possible to prevent the main cover from being opened by mistake and to obtain a highly reliable device that can prevent the risk of misuse. is there.
【図１】この発明の実施例１を示す分解斜視図である。FIG. 1 is an exploded perspective view showing a first embodiment of the present invention.
【図２】この発明の実施例２を示す分解斜視図である。FIG. 2 is an exploded perspective view showing a second embodiment of the present invention.
【図３】従来の回路遮断器を示す分解斜視図である。FIG. 3 is an exploded perspective view showing a conventional circuit breaker.
１ 遮断器ケース １ａ ベース １ｂ 主カバー １０１ 主カバーのベースとは反対側の面 ２ 主カバー取付ねじ ３ 凹所 ６ 補助カバー ７ 補助カバー取付ねじ 1 Circuit breaker case 1a Base 1b Main cover 101 Surface of main cover opposite to base 2 Main cover mounting screw 3 Recess 6 Auxiliary cover 7 Auxiliary cover mounting screw
───────────────────────────────────────────────────── フロントページの続き (72)発明者 谷辺 俊幸 福山市緑町１番８号 三菱電機株式会社福 山製作所内 (72)発明者 山先 伸作 福山市緑町１番８号 三菱電機株式会社福 山製作所内 (72)発明者 飯尾 司 福山市緑町１番８号 三菱電機株式会社福 山製作所内 (72)発明者 小林 義昭 福山市緑町１番８号 三菱電機株式会社福 山製作所内 (72)発明者 細貝 節夫 福山市緑町１番８号 三菱電機株式会社福 山製作所内 (72)発明者 藤原 弘兵 福山市緑町１番８号 三菱電機株式会社福 山製作所内 (72)発明者 村田 士郎 福山市緑町１番８号 三菱電機株式会社福 山製作所内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Toshiyuki Tanibe 1-8 Midoricho, Fukuyama-shi Fukuyama Works (72) Inventor Shinsaku Yamasaki 1-8 Midoricho, Fukuyama-shi Fukuyama Electric Co., Ltd. Yama Factory (72) Inventor Tsukasa Iio 1-8 Midoricho, Fukuyama City Mitsubishi Electric Corporation Fukuyama Factory (72) Inventor Yoshiaki Kobayashi 1-8 Midoricho, Fukuyama City Mitsubishi Electric Corporation Fukuyama Factory (72) Inventor Setsuo Hosogai 1-8 Midoricho, Fukuyama City Mitsubishi Electric Corporation Fukuyama Factory (72) Inventor Hirohiro Fujiwara 1-8 Midoricho, Fukuyama City Mitsubishi Electric Corporation Fukuyama Factory (72) Inventor Shirou Murata Fukuyama 1-8 Midoricho, Yokohama-shi Fukuyama Works, Mitsubishi Electric Corporation
Claims (2)
により固定される主カバーとからなると共に遮断機構な
どを内蔵する遮断器ケース、前記主カバーの前記ベース
とは反対側の面に形成されて内部付属装置を収容する凹
所、および前記主カバーに補助カバー取付ねじにより取
付けられて前記凹所を閉塞する補助カバーを備えた回路
遮断器において、 前記主カバー取付ねじを前記ベース側から前記主カバー
に螺入したことを特徴とする回路遮断器。1. A circuit breaker case comprising a base and a main cover fixed to the base by a main cover mounting screw and having a built-in breaking mechanism, the main cover being formed on a surface of the main cover opposite to the base. A circuit breaker comprising a recess for accommodating an internal accessory device and an auxiliary cover attached to the main cover with an auxiliary cover mounting screw to close the recess, wherein the main cover mounting screw is attached from the base side to the main side. A circuit breaker characterized by being screwed into a cover.
により固定される主カバーとからなると共に遮断機構な
どを内蔵する遮断器ケース、前記主カバーの前記ベース
とは反対側の面に形成されて内部付属装置を収容する凹
所、および前記主カバーに補助カバー取付ねじにより取
付けられて前記凹所を閉塞する補助カバーを備えた回路
遮断器において、 前記主カバーに露出する前記主カバー取付ねじを前記補
助カバーで覆ったことを特徴とする回路遮断器。2. A circuit breaker case comprising a base and a main cover fixed to the base by a main cover mounting screw and having a built-in breaking mechanism, the main cover being formed on a surface opposite to the base. In a circuit breaker equipped with a recess for accommodating an internal accessory device and an auxiliary cover attached to the main cover with an auxiliary cover mounting screw to close the recess, the main cover mounting screw exposed to the main cover is A circuit breaker characterized by being covered with the auxiliary cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27003492A JPH06124639A (en) | 1992-10-08 | 1992-10-08 | Circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27003492A JPH06124639A (en) | 1992-10-08 | 1992-10-08 | Circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06124639A true JPH06124639A (en) | 1994-05-06 |
Family
ID=17480615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27003492A Pending JPH06124639A (en) | 1992-10-08 | 1992-10-08 | Circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06124639A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6208229B1 (en) * | 2000-04-06 | 2001-03-27 | Eaton Corporation | Moulded case power switch housing with removably secured secondary cover |
| US6281771B1 (en) * | 2000-08-09 | 2001-08-28 | Eaton Corporation | Molded case power switch with secondary cover removably secured by captured rotatable nut |
| WO2021145583A1 (en) * | 2020-01-17 | 2021-07-22 | 엘에스일렉트릭 (주) | Electromagnetic contactor |
-
1992
- 1992-10-08 JP JP27003492A patent/JPH06124639A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6208229B1 (en) * | 2000-04-06 | 2001-03-27 | Eaton Corporation | Moulded case power switch housing with removably secured secondary cover |
| US6281771B1 (en) * | 2000-08-09 | 2001-08-28 | Eaton Corporation | Molded case power switch with secondary cover removably secured by captured rotatable nut |
| WO2021145583A1 (en) * | 2020-01-17 | 2021-07-22 | 엘에스일렉트릭 (주) | Electromagnetic contactor |
| KR20210093087A (en) * | 2020-01-17 | 2021-07-27 | 엘에스일렉트릭(주) | Magnetic Contactor |
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