JPS6455536U

JPS6455536U -

Info

Publication number: JPS6455536U
Application number: JP14773487U
Authority: JP
Priority date: 1987-09-28
Filing date: 1987-09-28
Publication date: 1989-04-06
Anticipated expiration: 2002-09-28
Also published as: JPH0723880Y2

Description

[Brief explanation of the drawing]

第１図ないし第１１図はこの考案による固定接
触子装置の一実施例を示す図で、第１図は電磁接
触子に採用した要部縦断面図、第２図は第１図の
正面図、第３図ないし第５図はそれぞれ要部拡大
平断面図、正面図、縦断面図、第６図ないし第８
図はそれぞれ絶縁ケースの要部拡大平断面図、正
面図、縦断面図、第９図ないし第１１図はそれぞ
れ要部部品の拡大平面図、正面図、側面図、第１
２図および第１３図は従来の固定接触子装置の一
例を示す図で、第１２図は要部正面図、第１３図
は縦断面図である。１…絶縁ケース、１ａ，１ｂ…隔壁、１ｃ…台
座、１ｄ…消弧室、３ａ，３ｂ…細溝、３ｃ，３
ｄ…係止突起、３ｅ…溝、１１…ねじ、１４…固
定接点、１５…接触子片、１５ａ…接点台、１５
ｂ…端子部、１５ｃ，１５ｄ…舌片、１５ｅ…狭
幅部、１５ｆ…係止片。 Figures 1 to 11 are diagrams showing an embodiment of the fixed contact device according to this invention. Figure 1 is a vertical cross-sectional view of the main part adopted in the electromagnetic contact, and Figure 2 is a front view of Figure 1. , Figures 3 to 5 are an enlarged plan sectional view, front view, longitudinal sectional view, and Figures 6 to 8, respectively.
The figures are an enlarged plan sectional view, front view, and longitudinal sectional view of the main parts of the insulating case, respectively. Figures 9 to 11 are enlarged plan views, front view, side view, and 1
2 and 13 are views showing an example of a conventional fixed contact device, with FIG. 12 being a front view of the main part, and FIG. 13 being a longitudinal sectional view. 1... Insulation case, 1a, 1b... Partition wall, 1c... Pedestal, 1d... Arc extinguishing chamber, 3a, 3b... Thin groove, 3c, 3
d... Locking protrusion, 3e... Groove, 11... Screw, 14... Fixed contact, 15... Contact piece, 15a... Contact stand, 15
b...terminal part, 15c, 15d...tongue piece, 15e...narrow width part, 15f...locking piece.

Claims

[Scope of utility model registration request]

It is inserted by press-fitting from both ends toward the arc extinguishing chamber in the center onto a pedestal that partitions the poles of an insulating case with a partition wall, and is made into a pair of fixed contacts on opposite sides and screw terminals on the opposite side. A fixed contact device consisting of a contact piece bridged and opened by a movable contact, wherein a mounting base of the insulating case is provided with a fixed contact piece that coincides with the base surface and protrudes in the insertion direction of the contact piece, and is provided on an opposing partition wall, respectively. Grooves are formed on the arc extinguishing chamber side of each of the integrally formed locking protrusion and the opposing partition wall, and are aligned with the pedestal surface and face each other, and grooves are formed on both sides of the contact piece in the width direction of the groove. It is characterized by comprising a tongue piece that bulges in an arc shape in the thickness direction and can be press-fitted into each tongue piece, and a locking piece that extends toward the screw terminal side, is bent downward, and has a narrow part that can intervene between the locking protrusions. Fixed contact device.