JPH01172241U

JPH01172241U -

Info

Publication number: JPH01172241U
Application number: JP6973488U
Authority: JP
Priority date: 1988-05-26
Filing date: 1988-05-26
Publication date: 1989-12-06

Description

[Brief explanation of the drawing]

第１図ないし第５図は本考案によるパツフア形
ガス開閉器の１実施例を示し、第１図は投入時の
切断正面図、第２図は遮断動作時の要部の切断正
面図、第３図は筒体の切断側面図、第４図は可動
接触子の切断側面図、第５図は回り止めの斜視図
、第６図以下は従来例を示し、第６図及び第７図
は投入時及び遮断動作時の切断正面図、第８図は
第６図のＡ―Ａ′線切断側面図、第９図は駆動筒
の斜視図である。１…固定接触子、３…パツフア室、４…筒体、
６…可動接触子、１０…ノズル、１４…筒体側突
起、１６…接触子側第２突起、１７…回り止め、
１８…係合片。 Figures 1 to 5 show one embodiment of the puffer type gas switch according to the present invention, in which Figure 1 is a cutaway front view at the time of closing, Figure 2 is a cutaway front view of the main parts during shutoff operation, and Figure 3 is a cutaway side view of the cylindrical body, FIG. 4 is a cutaway side view of the movable contact, FIG. 5 is a perspective view of the detent, FIGS. 6 and below show a conventional example, and FIGS. FIG. 8 is a cutaway front view taken along the line AA' in FIG. 6, and FIG. 9 is a perspective view of the drive cylinder. 1... Fixed contact, 3... Patshua chamber, 4... Cylindrical body,
6... Movable contact, 10... Nozzle, 14... Cylinder side protrusion, 16... Contactor side second protrusion, 17... Detent,
18...Engagement piece.

Claims

[Scope of Claim for Utility Model Registration] A tube-shaped movable contact is supported in a movable cylinder disposed in an insulating gas and has a puffer chamber inside, and is in contact with a fixed contact so as to be able to move toward and away from the fixed contact.
In a puffer-type gas switch in which an arc generated when both contacts are opened is extinguished by spraying compressed insulating gas from the puffer chamber, the cylinder side formed on the inner periphery of the cylinder body. a protrusion; a contact-side protrusion formed on the outer periphery of the movable contact and abutting the cylinder-side protrusion from the distal end side of the cylinder;
A detent that is inserted into the cylindrical body from its tip and has an engaging piece that sandwiches both protrusions, and an insulating gas spray nozzle that is removably fitted to the distal end of the cylindrical body and prevents the detent from coming off. Patshua type gas switch.