JPS613652U - Thermal overcurrent relay - Google Patents

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

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

第１図は本考案の一実施例を示す正面図、第２図は第１
図のＡ−Ａ断面図、第３図は第１図のＢ一Ｂ断面図、第
４図は第１図のＣ−Ｃ断面図、第５図は可動接触子の斜
視図、第６図は作動レバーの斜視図、第７図は常開端子
の斜視図、第８図は常開接触子の斜視図である。 図において２２は固定側の常開接点端子、２３は可動側
の常開接点端子、２２ｂ，２３ｂは角穴、２４は固定側
の常開接触子、２５は可動側の常開接触手、２４ａｖ
２５ａは略Ｕ字形状部、２４ｂ，２５ｂは突起片である
。 なお、各図中同一符号は同一または相当部分を示すもの
とする。Fig. 1 is a front view showing one embodiment of the present invention, and Fig. 2 is a front view showing an embodiment of the present invention.
3 is a sectional view taken along line B-B in FIG. 1, FIG. 4 is a sectional view taken along line C-C in FIG. 1, FIG. 5 is a perspective view of the movable contact, and FIG. 7 is a perspective view of the operating lever, FIG. 7 is a perspective view of the normally open terminal, and FIG. 8 is a perspective view of the normally open contact. In the figure, 22 is a normally open contact terminal on the fixed side, 23 is a normally open contact terminal on the movable side, 22b, 23b are square holes, 24 is a normally open contact on the fixed side, 25 is a normally open contact on the movable side, 24av
25a is a substantially U-shaped portion, and 24b and 25b are protruding pieces. Note that the same reference numerals in each figure indicate the same or corresponding parts.

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）過電流によるヒーターの過熱によってバイメタル
を動作させて電流を遮断させる熱動式過電流継電器にお
いて、該継電器は固定側と可動側の各接触子と、可動側
の常開接触子の端部を板厚方向に変形させて常間接点を
開閉させる常開接点端子とを有し、上記各接触子は端部
が略Ｕ字形状を成し、バネ性導電性薄板よりなり、この
略Ｕ字形状のバネカをもって固定側及び可動側の各常開
接点端子に各々接触導通ならびに固定されていることを
特徴とする熱動式過電流継電器。(1) In a thermal overcurrent relay that operates a bimetal to cut off the current when the heater overheats due to overcurrent, the relay has two contactors on the fixed side and a movable side, and an end of the normally open contact on the movable side. and a normally open contact terminal which opens and closes the normal contact by deforming the part in the plate thickness direction, and each of the above-mentioned contacts has an approximately U-shaped end, and is made of a springy conductive thin plate, and this approximately 1. A thermal overcurrent relay characterized in that a U-shaped spring spring is connected to and fixed to each normally open contact terminal on a fixed side and a movable side. （２）常開接点が閉成される方向の固定側ならびに可動
側の常開接触子の変形方向が、略し字のバネカによる各
々の端子との接触圧力が強まる方向であることを特徴と
する実用新案登録請求の範囲第１項記載の熱動式過電流
継電器。(2) The deformation direction of the normally open contacts on the fixed side and the movable side in the direction in which the normally open contacts are closed is the direction in which the contact pressure with each terminal by the abbreviated spring is strengthened. A thermal overcurrent relay according to claim 1 of the utility model registration claim. （３）可動側および固定側の常開接触子の端部の略Ｕ字
形状の各々の端子に接触する側に突起または穴を設け、
相手端子の穴または突起に係合させたことを特徴とする
実用新案登録請求の範囲第１項又は第２項に記載の熱動
式過電流継電器。(3) Protrusions or holes are provided on the ends of the normally open contacts on the movable side and the fixed side that contact the approximately U-shaped terminals,
The thermal overcurrent relay according to claim 1 or 2, characterized in that the relay is engaged with a hole or a protrusion of a mating terminal.