JPS6399740U

JPS6399740U -

Info

Publication number: JPS6399740U
Application number: JP19488986U
Authority: JP
Priority date: 1986-12-18
Filing date: 1986-12-18
Publication date: 1988-06-28

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図ないし第３図はこの考案による電磁形過
電流引外し装置の一実施例を示す図で、第１図は
平面図、第２図は要部縦断面図、第３図は要部拡
大斜視図、第４図および第５図はこの考案に電磁
形過電流引外し装置のそれぞれ異なる他の実施例
の要部拡大斜視図、第６図および第７図は従来の
電磁形過電流引外し装置のそれぞれ異なる二例の
要部縦断面図である。１……励磁コイル、２……巻枠、２ａ，２ｂ；
２ｃ，２ｄ；２ｅ，２ｆ……突起、３……接極子
、４……オイルダツシユポツト、５……継鉄、５
ａ……一側脚辺、５ｂ……貫通孔、５ｃ……他側
脚辺、５ｄ……軸支部、６……軸、７……可動鉄
片、８……半田付け。 Figures 1 to 3 are diagrams showing an embodiment of the electromagnetic overcurrent tripping device according to this invention, in which Figure 1 is a plan view, Figure 2 is a vertical sectional view of the main part, and Figure 3 is the main part. FIGS. 4 and 5 are enlarged perspective views of main parts of other embodiments of the electromagnetic overcurrent tripping device different from this invention, and FIGS. 6 and 7 are enlarged perspective views of conventional electromagnetic overcurrent tripping devices. FIG. 3 is a longitudinal cross-sectional view of a main part of two different examples of a tripping device. 1... Excitation coil, 2... Winding frame, 2a, 2b;
2c, 2d; 2e, 2f... protrusion, 3... armature, 4... oil dash pot, 5... yoke, 5
a...One side leg side, 5b...Through hole, 5c...Other side leg side, 5d...Shaft support, 6...Shaft, 7...Movable iron piece, 8...Soldering.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

励磁コイルを巻回の巻枠が嵌挿され一端に大径
の接極子が一体化されたオイルダツシユポツトと
、Ｌ字状に形成され一側脚片の貫通孔に前記オイ
ルダツシユポツトの細径側を嵌込み固着する継鉄
と、該継鉄の他側脚片端近傍に揺動自在に支承さ
れ励磁コイル電流が過電流になると前記接極子に
吸着される可動鉄片とを備えた電磁形過電流引外
し装置において、前記巻枠の端面に軸方向の力に
より変形可能な軸線対称配置の複数個の突起を設
けたことを特徴とする電磁形過電流引外し装置。 An oil dash pot is fitted with a winding frame for winding an excitation coil and a large diameter armature is integrated into one end, and the oil dash pot is formed in an L shape and is inserted into a through hole in one leg piece. An electromagnetic device comprising a yoke into which the small diameter side is fitted and fixed, and a movable iron piece that is swingably supported near one end of the other leg of the yoke and is attracted to the armature when the excitation coil current becomes an overcurrent. An electromagnetic overcurrent tripping device, characterized in that the end face of the winding frame is provided with a plurality of axially symmetrically arranged protrusions that can be deformed by an axial force.