JPH06139902A - Circuit breaker - Google Patents
Circuit breakerInfo
- Publication number
- JPH06139902A JPH06139902A JP29113892A JP29113892A JPH06139902A JP H06139902 A JPH06139902 A JP H06139902A JP 29113892 A JP29113892 A JP 29113892A JP 29113892 A JP29113892 A JP 29113892A JP H06139902 A JPH06139902 A JP H06139902A
- Authority
- JP
- Japan
- Prior art keywords
- cover
- base
- circuit breaker
- opening
- lead wire
- 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】この発明は回路遮断器に関するも
ので、特にその内部に設ける付属装置のリード線の引出
し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, and more particularly to a lead wire for an auxiliary device provided inside the circuit breaker.
【0002】[0002]
【従来の技術】図15〜図18は例えば実開昭61−1
80436号公報に示された従来の回路遮断器を示す図
で、図15は一部破断の外観斜視図、図16は一部破断
の要部平面図、図17はベースの開口を示す斜視図、図
18は側板を示す斜視図である。2. Description of the Related Art FIGS.
FIG. 15 is a view showing a conventional circuit breaker disclosed in Japanese Patent No. 80436, FIG. 15 is an external perspective view with a part broken, FIG. 16 is a plan view of a main part with a part broken, and FIG. 17 is a perspective view showing an opening of a base. FIG. 18 is a perspective view showing a side plate.
【0003】図において、1は成形絶縁材料からなるベ
ースであり、側壁に開口2を有する。この開口2の周囲
には凹溝2aが設けてあり、この溝に閉鎖用側板3の凸
部3aを挿入することによって、成形絶縁材料からなる
側板3で開口2をふさぎ、やはり成形絶縁材料からなる
カバー4で側板3の上面を押えて組込まれる。5は操作
用ハンドルである。回路遮断器には、回路遮断器がトリ
ップしたときに切り換わる警報スイッチ,回路遮断器が
断路したときに切り換わる補助スイッチ,外部電圧を印
加して回路遮断器をトリップさせる電圧引き外し装置,
回路電圧が低下したときに回路遮断器をトリップさせる
不足電圧引き外し装置などが取り付けられる。これらの
付属装置6は図16に示すようにベース1に固着され、
かつそのリード線7は側板3の切欠き3bから外部に導
出される。In the figure, reference numeral 1 is a base made of a molded insulating material, and has an opening 2 in a side wall. A concave groove 2a is provided around the opening 2, and by inserting the convex portion 3a of the closing side plate 3 into this groove, the opening 2 is closed by the side plate 3 made of the molding insulating material. Is assembled by pressing the upper surface of the side plate 3 with the cover 4. Reference numeral 5 is an operating handle. The circuit breaker includes an alarm switch that switches when the circuit breaker trips, an auxiliary switch that switches when the circuit breaker disconnects, a voltage trip device that trips the circuit breaker by applying an external voltage,
An undervoltage trip device is installed that trips the circuit breaker when the circuit voltage drops. These accessory devices 6 are fixed to the base 1 as shown in FIG.
Moreover, the lead wire 7 is led out from the notch 3b of the side plate 3.
【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
以上のように付属装置付きに改造する場合にはベース1
の開口2に切欠き3bを有する側板3を着脱自在に取付
けて、その切欠き3bに付属装置6のリード線7を通し
て引出しているので、別体の側板3が必要になって部品
点数の増加と加工手数とでコストアップになるという問
題点があった。In the conventional circuit breaker, the base 1 is used when the accessory circuit is modified as described above.
Since the side plate 3 having the notch 3b is detachably attached to the opening 2 and is drawn out through the lead wire 7 of the accessory device 6 to the notch 3b, the side plate 3 as a separate body is required and the number of parts is increased. However, there is a problem that the cost increases due to the number of processing steps.
【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、別部品を必要とせず付属装置のリード
線を容易に引出せる安価な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 an object thereof is to obtain an inexpensive circuit breaker which can easily lead out the lead wire of an accessory device without requiring a separate component.
【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、ベースとこのベースに固定されるカバーとからな
ると共に遮断機構を内蔵する遮断器ケースと、前記ベー
スのカバー側に装着される前記遮断機構の付属装置と、
この付属装置のリード線を側方に引出すために前記ベー
スのカバー側端縁から切込まれて形成される開口部と、
前記カバーのベース側端縁に突出されて前記開口部を塞
ぐ突出カバー部とを備え、かつ前記突出カバー部の突出
付け根付近に薄肉部を設け、この薄肉部によって前記突
出カバー部が外側に開き前記リード線の引出しを可能に
したものである。A circuit breaker according to the present invention comprises a base and a cover fixed to the base and a breaker case having a built-in breaking mechanism, and is mounted on the cover side of the base. An accessory device of the blocking mechanism,
An opening formed by cutting from the cover side edge of the base for laterally pulling out the lead wire of the accessory;
A protruding cover portion protruding from the edge of the cover on the base side to close the opening, and a thin wall portion is provided in the vicinity of a protruding root of the protruding cover portion, and the thin cover portion opens the protruding cover portion to the outside. The lead wire can be drawn out.
【0007】[0007]
【作用】この発明においては、常時は突出カバー部によ
り開口部が塞がれ、リード線を開口部より引出すときに
は突出カバー部が薄肉部により外側に開きリード線の開
口部からの引出しを可能にする。According to the present invention, the opening is normally closed by the projecting cover, and when the lead wire is pulled out from the opening, the projecting cover is opened outward by the thin portion so that the lead wire can be pulled out from the opening. To do.
【0008】[0008]
実施例1.この発明の一実施例を図1〜図4について説
明する。図1は外観斜視図、図2は図1から補助カバー
と付属装置とを外した図、図3は図1の線III −III の
断面図、図4は図3から付属装置を外した図であり、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、1Aはベース1aとこ
のベース1aに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を内蔵する遮断器ケース、8は主カ
バー1bのベース1aとは反対側の面101に形成され
て付属装置6を収容する凹所、9は凹所8を閉塞する弾
性材料からなる補助カバーで、主カバー1bに着脱自在
に取付けられる。10は付属装置6のリード線7を側方
に引出すために主カバー1bに形成した開口部、11は
開口部10を塞ぐための突出カバー部で、補助カバー9
に弾性材料により一体成形されている。12は突出カバ
ー部11の付け根に形成した薄肉部で、これによって突
出カバー部11が外側に開くようにしてある。Example 1. An embodiment of the present invention will be described with reference to FIGS. 1 is an external perspective view, FIG. 2 is a view with an auxiliary cover and an accessory device removed from FIG. 1, FIG. 3 is a sectional view taken along line III-III in FIG. 1, and FIG. 4 is a view with the accessory device removed from FIG. Therefore, the same or corresponding parts as those of the above-mentioned conventional one are designated by the same reference numerals and the description thereof will be omitted. In the figure, 1A is a circuit breaker case including a base 1a and a main cover 1b removably fixed to the base 1a and having a built-in breaking mechanism, and 8 is a surface 101 of the main cover 1b opposite to the base 1a. A recess formed to accommodate the accessory device 6, and 9 is an auxiliary cover made of an elastic material that closes the recess 8 and is detachably attached to the main cover 1b. Reference numeral 10 is an opening formed in the main cover 1b for laterally pulling out the lead wire 7 of the accessory device 6, and 11 is a projecting cover portion for closing the opening 10.
Is integrally molded with an elastic material. Reference numeral 12 denotes a thin portion formed at the base of the protruding cover portion 11 so that the protruding cover portion 11 can be opened outward.
【0009】凹所8に付属装置6が無い状態では、図4
に示すように突出カバー部11が開口部10を塞いでい
る。そして、凹所8に付属装置6が収容される場合は、
図1,図3に示すようにリード線7に押しやられて突出
カバー部11は薄肉部12から外側に曲がるので、リー
ド線7を開口部10から引出せる。In the state where the auxiliary device 6 is not present in the recess 8, FIG.
As shown in, the protruding cover portion 11 closes the opening 10. When the auxiliary device 6 is housed in the recess 8,
As shown in FIGS. 1 and 3, the projecting cover portion 11 is pushed outward by the lead wire 7 and bends outward from the thin portion 12, so that the lead wire 7 can be pulled out from the opening 10.
【0010】実施例2.図5,図6に示すようにベース
1aの開口部10の部分に角取り13を形成すると共に
この角取り13に対応する突出カバー部11の部分にも
角取り14を形成し、かつベース1aに対して突出カバ
ー部11の先が重なるように突出カバー部11を下方に
延長しておくと、リード線7により形成される隙間から
ゴミが侵入しにくくなる。Embodiment 2. As shown in FIGS. 5 and 6, a chamfer 13 is formed in the opening 10 of the base 1a, and a chamfer 14 is also formed in a portion of the protruding cover portion 11 corresponding to the chamfer 13, and the base 1a is formed. On the other hand, if the protruding cover portion 11 is extended downward so that the tip of the protruding cover portion 11 overlaps, it becomes difficult for dust to enter through the gap formed by the lead wire 7.
【0011】実施例3.図7,図8に示すようにベース
1aの開口部10の部分に凹み15を形成しておくと、
実施例2と同様に隙間からゴミが侵入しにくくなると共
に、凹み15の両角でリード線7を二点挟持できるので
リード線7を強く固定できる。Embodiment 3. As shown in FIGS. 7 and 8, when the recess 15 is formed in the opening 10 of the base 1a,
As in the second embodiment, dust is less likely to enter through the gap, and the lead wire 7 can be clamped at two points at both corners of the recess 15, so that the lead wire 7 can be firmly fixed.
【0012】実施例4.次に、この発明の他の実施例を
図9〜図12について説明する。図9は外観斜視図、図
10は図9から補助カバーと付属装置とを外した図、図
11は図9の線XI−XIの断面図、図12は図11の線XI
I −XII の断面図であり、前記実施例1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、16は突出カバー部11の内側の両側に突設した係
合張出部で、開口部10の内縁に係止して突出カバー部
11の外方向へのたわみを防止する。17は開口部10
の下縁内側両側に突設した係合張出部で、突出カバー部
11の内方向へのたわみを防止する。Embodiment 4. Next, another embodiment of the present invention will be described with reference to FIGS. 9 is an external perspective view, FIG. 10 is a view in which the auxiliary cover and the auxiliary device are removed from FIG. 9, FIG. 11 is a cross-sectional view taken along line XI-XI in FIG. 9, and FIG. 12 is line XI in FIG.
It is a cross-sectional view of I-XII, and the same or corresponding parts as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted. In the figure, reference numeral 16 is an engagement bulge portion projecting on both inner sides of the projecting cover portion 11, which is locked to the inner edge of the opening 10 to prevent the projecting cover portion 11 from bending outward. 17 is the opening 10
Engagement protrusions provided on both inner sides of the lower edge prevent inward bending of the protruding cover portion 11.
【0013】このように両係合張出部16,17を設け
ておくと、リード線7は図9,図11に示すように突出
カバー部11の先端のたわみにより外部に引出される
が、その際のさらなるリード線7の引張りに対しては係
合張出部16が図12に示すように開口部11の両側に
係止して突出カバー部11の外方向へのたわみが防止さ
れ、逆にリード線7の押込みに対しては突出カバー部1
1の先端が係合張出部17に係止して突出カバー部11
の内方向へのたわみが防止される。When both the engaging protrusions 16 and 17 are provided in this manner, the lead wire 7 is pulled out by the bending of the tip of the protruding cover portion 11 as shown in FIGS. 9 and 11. When the lead wire 7 is further pulled at that time, the engagement bulge portions 16 are locked to both sides of the opening portion 11 as shown in FIG. 12, and the outward bending of the protruding cover portion 11 is prevented, On the contrary, when the lead wire 7 is pushed in, the protruding cover portion 1
The front end of 1 is locked to the engaging protrusion 17 and the protruding cover 11
Bending of the inside is prevented.
【0014】実施例5.上記実施例1において、主カバ
ー1bの凹所8の底壁端8aを図13に示すように開口
部10まで延長すると、図14に示すようにリード線7
はその底壁端8aとベース1aと突出カバー部11とで
直角状に折れ曲がった状態で引出されるので、リード線
7が強固に固定される。Example 5. In the first embodiment, when the bottom wall end 8a of the recess 8 of the main cover 1b is extended to the opening 10 as shown in FIG. 13, the lead wire 7 is provided as shown in FIG.
Since the bottom wall end 8a, the base 1a, and the protruding cover portion 11 are pulled out in a state of being bent at a right angle, the lead wire 7 is firmly fixed.
【0015】[0015]
【発明の効果】以上のように、この発明によれば別部品
を必要とせず付属装置のリード線を容易に引出せる安価
なものが得られるという効果がある。As described above, according to the present invention, there is an effect that an inexpensive one can be obtained in which a lead wire of an accessory device can be easily drawn out without requiring a separate component.
【図1】この発明の実施例1を示す外観斜視図である。FIG. 1 is an external perspective view showing a first embodiment of the present invention.
【図2】図1の分解斜視図である。FIG. 2 is an exploded perspective view of FIG.
【図3】図1の線III −III の断面図である。3 is a cross-sectional view taken along the line III-III in FIG.
【図4】図3から付属装置を外した図である。FIG. 4 is a diagram in which an auxiliary device is removed from FIG.
【図5】この発明の実施例2を示す図4と同じ図であ
る。FIG. 5 is the same view as FIG. 4 showing a second embodiment of the present invention.
【図6】図5に付属装置を取付けた図である。FIG. 6 is a view in which an accessory device is attached to FIG.
【図7】この発明の実施例3を示す図5と同じ図であ
る。FIG. 7 is the same view as FIG. 5 showing a third embodiment of the present invention.
【図8】図7に付属装置を取付けた図である。FIG. 8 is a diagram in which an accessory device is attached to FIG. 7.
【図9】この発明の実施例4を示す外観斜視図である。FIG. 9 is an external perspective view showing Embodiment 4 of the present invention.
【図10】図9の分解斜視図である。FIG. 10 is an exploded perspective view of FIG.
【図11】図9の線XI−XIの断面図である。11 is a cross-sectional view taken along the line XI-XI of FIG.
【図12】図11の線XII −XII の断面図である。12 is a cross-sectional view taken along the line XII-XII in FIG.
【図13】この発明の実施例5を示す分解斜視図であ
る。FIG. 13 is an exploded perspective view showing a fifth embodiment of the present invention.
【図14】要部断面図である。FIG. 14 is a cross-sectional view of a main part.
【図15】従来装置を示す一部破断の外観斜視図であ
る。FIG. 15 is a partially cutaway external perspective view showing a conventional device.
【図16】一部破断の要部平面図である。FIG. 16 is a partially cutaway plan view of an essential part.
【図17】ベースの開口を示す斜視図である。FIG. 17 is a perspective view showing an opening of the base.
【図18】側板を示す斜視図である。FIG. 18 is a perspective view showing a side plate.
1A 遮断器ケース 1a ベース 1b 主カバー 6 付属装置 7 リード線 8 凹所 9 補助カバー 10 開口部 11 突出カバー部 12 薄肉部 1A Circuit breaker case 1a Base 1b Main cover 6 Auxiliary device 7 Lead wire 8 Recess 9 Recess 9 Auxiliary cover 10 Opening 11 Protruding cover 12 Thin section
フロントページの続き (72)発明者 藤井 博 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 山県 伸示 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 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 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Front page continued (72) Inventor Hiroshi Fujii 1-8 Midoricho, Fukuyama City Mitsubishi Electric Co., Ltd. Fukuyama Factory (72) Inventor Shinji Yamaguchi 1-8 Midoricho, Fukuyama City Fukuyama Factory (72) ) Inventor Toshiyuki Tanibe 1-8 Midoricho, Fukuyama City Mitsubishi Electric Corporation Fukuyama Factory (72) Inventor Shinsaku Yamasaki 1-8 Midoricho, Fukuyama City Mitsubishi Electric Corporation Fukuyama Factory (72) Inventor Iio Tsukasa Fukuyama City No. 1-8 Fukuyama Factory, Mitsubishi Electric Co., Ltd. (72) Inventor Setsuo Hosogai No. 8 Midoricho, Fukuyama City Mitsubishi Electric Co., Ltd. (72) Kohei Fujiwara 1 Midoricho, Fukuyama City No. 8 Mitsubishi Electric Corporation Fukuyama Works
Claims (3)
とからなると共に遮断機構を内蔵する遮断器ケース、お
よび前記ベースのカバー側に装着される前記遮断機構の
付属装置を備えた回路遮断器において、 前記付属装置のリード線を側方に引出すために前記ベー
スのカバー側端縁から切込まれて形成される開口部、お
よび前記カバーのベース側端縁に突出されて前記開口部
を塞ぐ突出カバー部を備え、 前記突出カバー部の突出付け根付近に薄肉部を設け、こ
の薄肉部によって前記突出カバー部が外側に開き前記リ
ード線の引出しを可能にしたことを特徴とする回路遮断
器。1. A circuit breaker comprising a circuit breaker case comprising a base and a cover fixed to the base and having a built-in breaking mechanism, and an auxiliary device for the breaking mechanism mounted on the cover side of the base. An opening formed by cutting from the cover-side edge of the base for laterally pulling out the lead wire of the accessory, and a protrusion protruding from the base-side edge of the cover to close the opening. A circuit breaker comprising a cover portion, wherein a thin portion is provided in the vicinity of a protruding root of the protruding cover portion, and the thin cover portion opens the protruding cover portion to the outside so that the lead wire can be pulled out.
とからなると共に遮断機構を内蔵する遮断器ケース、お
よび前記ベースのカバー側に装着される前記遮断機構の
付属装置を備えた回路遮断器において、 前記付属装置のリード線を側方に引出すために前記ベー
スのカバー側端縁から切込まれて形成される開口部、お
よび前記カバーのベース側端縁に突出されて前記開口部
を塞ぐ突出カバー部を備え、 前記突出カバー部の先端部分を残した両側に係合片を突
出させ、この両側係合片を前記開口部の両側内縁に係合
した状態で前記突出カバー部の先端部分が外側にたわみ
前記リード線の引出しを可能にしたことを特徴とする回
路遮断器。2. A circuit breaker comprising a circuit breaker case including a base and a cover fixed to the base and having a built-in breaking mechanism, and an auxiliary device of the breaking mechanism mounted on the cover side of the base. An opening formed by cutting from the cover-side edge of the base for laterally pulling out the lead wire of the accessory, and a protrusion protruding from the base-side edge of the cover to close the opening. A cover portion is provided, and engaging pieces are projected on both sides of the projecting cover portion where the tip portion of the projecting cover portion is left. A circuit breaker characterized in that the lead wire can be pulled out by bending outward.
ーとからなると共に遮断機構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
前記遮断機構の付属装置を収容する凹所、および前記主
カバーに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、 前記凹所の側壁を前記主カバーの全高さに亘って開放す
る開口部、および前記補助カバーの主カバー側端縁に突
出されて前記開口部を塞ぐ突出カバー部を備え、 前記主カバーの開口部により露出する前記ベースの主カ
バー当接面の一部とこのベースの一部に対して斜面状に
形成される前記凹所の底部端縁と前記突出カバー部の先
端との間に、前記付属装置のリード線を通して引出すよ
うにしたことを特徴とする回路遮断器。3. A circuit breaker case including a base and a main cover fixed to the base and having a built-in breaking mechanism,
A circuit breaker having a recess formed on a surface of the main cover opposite to the base and accommodating an accessory device of the cutoff mechanism, and an auxiliary cover attached to the main cover to close the recess. In the above-mentioned, the main cover is provided with an opening that opens the side wall of the recess over the entire height of the main cover, and a projecting cover part that is projected from an end edge of the auxiliary cover on the main cover side to close the opening. Between a part of the main cover contact surface of the base exposed by the opening of the base and a bottom edge of the recess formed in a slope shape with respect to the part of the base and the tip of the protruding cover part. A circuit breaker characterized by being drawn out through a lead wire of the accessory device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29113892A JPH06139902A (en) | 1992-10-29 | 1992-10-29 | Circuit breaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29113892A JPH06139902A (en) | 1992-10-29 | 1992-10-29 | Circuit breaker |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH06139902A true JPH06139902A (en) | 1994-05-20 |
Family
ID=17764945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP29113892A Pending JPH06139902A (en) | 1992-10-29 | 1992-10-29 | Circuit breaker |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH06139902A (en) |
-
1992
- 1992-10-29 JP JP29113892A patent/JPH06139902A/en active Pending
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