JPS6341846U - - Google Patents
Info
- Publication number
- JPS6341846U JPS6341846U JP13570886U JP13570886U JPS6341846U JP S6341846 U JPS6341846 U JP S6341846U JP 13570886 U JP13570886 U JP 13570886U JP 13570886 U JP13570886 U JP 13570886U JP S6341846 U JPS6341846 U JP S6341846U
- Authority
- JP
- Japan
- Prior art keywords
- arc
- fixed contact
- extinguishing
- movable
- groove
- 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)
Description
第１図はこの考案の一実施例による回路しや断
器の消弧室の正面図、第２図は従来の回路しや断
器の部分断面側面図、第３図は消弧板の斜視図、
第４図は第２図の消弧室の正面図である。
図において、２は可動接触子、３は固定接触子
、４は消弧室、４０１は消弧板、４０２は太溝、
４０３は細溝、Ｗ１〜Ｗ７は細溝の幅である。な
お、各図中同一符号は同一または相当部を示す。
Fig. 1 is a front view of the arc extinguishing chamber of a circuit breaker according to an embodiment of this invention, Fig. 2 is a partially sectional side view of a conventional circuit breaker, and Fig. 3 is a perspective view of the arc extinguishing plate. figure,
FIG. 4 is a front view of the arc extinguishing chamber shown in FIG. 2. In the figure, 2 is a movable contact, 3 is a fixed contact, 4 is an arc extinguishing chamber, 401 is an arc extinguishing plate, 402 is a thick groove,
403 is a narrow groove, and W 1 to W 7 are widths of the narrow groove. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
して配設された固定接触子、およびこれら可動接
触子と固定接触子との間に生じるアークを消弧す
る消弧室を備え、前記消弧室が前記可動および固
定接触子側に開口したほぼＵ字形の太溝とその奥
の細溝とを有する消弧板を複数枚互いに間隔を置
いて重積してなる回路しや断器において、前記細
溝の幅を固定接触子側の消弧板ほど大きくしたこ
とを特徴とする回路しや断器。 A movable contact connected to the opening/closing mechanism, a fixed contact disposed opposite to the movable contact, and an arc extinguishing chamber for extinguishing an arc generated between the movable contact and the fixed contact. In a circuit board or breaker in which a plurality of arc extinguishing plates are stacked at intervals, each having an approximately U-shaped thick groove in which the arc chamber opens toward the movable and fixed contact sides, and a thin groove at the back thereof. . A circuit breaker, characterized in that the width of the narrow groove is increased toward the arc-extinguishing plate closer to the fixed contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13570886U JPS6341846U (en) | 1986-09-03 | 1986-09-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13570886U JPS6341846U (en) | 1986-09-03 | 1986-09-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6341846U true JPS6341846U (en) | 1988-03-18 |
Family
ID=31038154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13570886U Pending JPS6341846U (en) | 1986-09-03 | 1986-09-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6341846U (en) |
-
1986
- 1986-09-03 JP JP13570886U patent/JPS6341846U/ja active Pending
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