JPH01100352U - - Google Patents
Info
- Publication number
- JPH01100352U JPH01100352U JP19925287U JP19925287U JPH01100352U JP H01100352 U JPH01100352 U JP H01100352U JP 19925287 U JP19925287 U JP 19925287U JP 19925287 U JP19925287 U JP 19925287U JP H01100352 U JPH01100352 U JP H01100352U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- fixing part
- arc gas
- dustproof cover
- plate fixing
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H9/342—Venting arrangements for arc chutes
- H01H2009/343—Venting arrangements for arc chutes with variable venting aperture function of arc chute internal pressure, e.g. resilient flap-valve or check-valve
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- Breakers (AREA)
Description
第１図はこの考案の一実施例の分解斜視図、第
２図は回路しや断器の断面略図、第３図はその平
面略図、第４図はアークガス排気装置の動作状態
の部分断面図、第５図は従来例の分解斜視図であ
る。
１……本体ケース、２……防塵カバー、２ａ…
…固定部、２ｂ……邪魔突起、４……排気板固定
部、５……排気孔。
Fig. 1 is an exploded perspective view of an embodiment of this invention, Fig. 2 is a schematic cross-sectional view of the circuit breaker, Fig. 3 is a schematic plan view thereof, and Fig. 4 is a partial cross-sectional view of the arc gas exhaust device in its operating state. , FIG. 5 is an exploded perspective view of a conventional example. 1...Main case, 2...Dustproof cover, 2a...
...Fixing part, 2b...Baffle protrusion, 4...Exhaust plate fixing part, 5...Exhaust hole.
Claims (1)
スと、前記排気板固定部に固定される固定部を有
して前記排気孔をそれぞれ閉塞するとともにアー
クガス圧により弾性変形する防塵カバーとを備え
、前記防塵カバーの内面にアークガスの流速を抑
制する邪魔突起を設けたアークガス排気装置。 A main body case having an exhaust hole provided with an exhaust plate fixing part, and a dustproof cover having a fixing part fixed to the exhaust plate fixing part to block each of the exhaust holes and elastically deformed by arc gas pressure, The arc gas exhaust device includes a baffle protrusion on the inner surface of the dustproof cover that suppresses the flow velocity of the arc gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19925287U JPH01100352U (en) | 1987-12-23 | 1987-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19925287U JPH01100352U (en) | 1987-12-23 | 1987-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01100352U true JPH01100352U (en) | 1989-07-05 |
Family
ID=31489712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19925287U Pending JPH01100352U (en) | 1987-12-23 | 1987-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01100352U (en) |
-
1987
- 1987-12-23 JP JP19925287U patent/JPH01100352U/ja active Pending
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