JPS6021162U

JPS6021162U - Box cut-out switch with lightning protection unit

Info

Publication number: JPS6021162U
Application number: JP11356783U
Authority: JP
Inventors: 和明加藤; 上松　定幸
Original assignee: NGK Insulators Ltd
Current assignee: NGK Insulators Ltd
Priority date: 1983-07-21
Filing date: 1983-07-21
Publication date: 1985-02-14

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図はこの考案の第一実施例のカットアウトの横断面
図、第２図は同じく正面図、第３図は本体碍子の縦断面
図、第４図及び第５図はそれぞれ第二実施例のカットア
ウトの本体碍子の縦断面図及び避雷ユニットの横断面図
、第６図及び第７図はそれぞれ第三実施例のカットアウ
トの本体碍子の縦断面図及び避雷ユニットの横断面図、
第８図はその他の実施例の避雷ユニットの横断面図であ
る。１・・・本体碍子、９，１０・・・端子、１４・・・電
線挿通孔、１５．１６・・・電線、１８・・・避雷ユニ
ット、１９・・・非直線抵抗素子、２０．３０・・・充
電側電極、２１．３１・・・接地側電極、２２．３２・
・・絶縁モールド、２３．３３・・・導電棒、２７・・
・接地金具、３４・・・導体片、３５・・・接続端子、
３９・・・貫通孔。第４図第６図Fig. 1 is a cross-sectional view of a cutout of the first embodiment of this invention, Fig. 2 is a front view thereof, Fig. 3 is a longitudinal sectional view of the main insulator, and Figs. 4 and 5 are respective views of the second embodiment. A vertical cross-sectional view of the cut-out body insulator and a cross-sectional view of the lightning arrester unit in the example; FIGS. 6 and 7 are respectively a vertical cross-sectional view of the cut-out body insulator and a cross-sectional view of the lightning arrester unit in the third embodiment;
FIG. 8 is a cross-sectional view of a lightning arrester unit of another embodiment. DESCRIPTION OF SYMBOLS 1... Main body insulator, 9, 10... Terminal, 14... Wire insertion hole, 15.16... Electric wire, 18... Lightning arrester unit, 19... Non-linear resistance element, 20.30 ...Charging side electrode, 21.31...Grounding side electrode, 22.32.
・・Insulating mold, 23.33・・Conductive rod, 27・・
・Grounding fitting, 34... Conductor piece, 35... Connection terminal,
39...Through hole. Figure 4 Figure 6

Claims

[Scope of utility model registration request]

1. An insulation molded lightning arrester unit is removably attached to one of the wire insertion holes provided in the main insulator corresponding to the power supply side and load side terminals, and the charging side of the lightning arrester unit is A lightning arrester unit characterized in that an electrode is removably connected to a terminal via a connecting member, and a grounding fitting that faces the grounding side electrode of the lightning arrester unit via a discharge gap is attached to the back side of the main insulator. Box-shaped cutout switch with 2. The lightning arrester unit is made by insulating-molding a non-linear resistance element formed in a donut shape, and a connecting member made of a conductor is inserted into the insulating mold at the center, and a wire connecting terminal is provided at the outer end. A box-shaped cut-out switch equipped with a lightning arrester unit according to claim 1, wherein the inner end protrudes so as to be connectable to a terminal in the main body insulator. 3. The lightning arrester unit is made by insulating-molding a non-linear resistance element formed in a donut shape. A wire through-hole is drilled in the insulating mold at the center, and the wire, which also serves as a connecting member, is connected to the terminal inside the main body insulator. A box-shaped cut-out switch equipped with a lightning protection unit as claimed in claim 1, which is connectably inserted into a box-shaped cut-out switch.