JPS61156118U

JPS61156118U -

Info

Publication number: JPS61156118U
Application number: JP4017085U
Authority: JP
Priority date: 1985-03-19
Filing date: 1985-03-19
Publication date: 1986-09-27

Description

[Brief explanation of drawings]

第１図および第２図はこの考案の一実施例を示
す概略断面図で、第１図はオン状態を示し、第２
図はオフ状態を示す。第３図および第４図はこの
考案の他の実施例の要部を示す概略断面図で、第
３図は正面図、第４図は側面図である。第５図は
この考案の更に他の実施例を構成するためのねじ
の形状を示す概略図、第６図および第７図は従来
の構成を示す概略断面図で第６図はオン状態を示
し、第７図はオフ状態を示す。第８図は従来装置
における端子間接触抵抗を示す等価回路図、第９
図は同じくこの考案の一実施例における端子間接
触抵抗を示す等価回路図である。図中１は絶縁ケ
ース、３Ａ，３Ｂは端子、４は接続電線、７Ａ，
７Ｂは固定接触子、８はストツパ、９Ａ，９Ｂは
圧縮ばね、１０は軸、１１は絶縁ロータ、１３は
可動接触子、１４Ａ，１４Ｂは接続片、２０Ａ，
２０Ｂは壁部、２１Ａ，２１Ｂはねじ、２２Ａ，
２２Ｂはガイドである。なお、同一符号はそれぞ
れ同一または相当部分を示す。 1 and 2 are schematic cross-sectional views showing one embodiment of this invention, where FIG. 1 shows the on state and the second
The figure shows the off state. 3 and 4 are schematic cross-sectional views showing essential parts of other embodiments of the invention, with FIG. 3 being a front view and FIG. 4 being a side view. Fig. 5 is a schematic diagram showing the shape of a screw for configuring yet another embodiment of this invention, Figs. 6 and 7 are schematic sectional views showing the conventional configuration, and Fig. 6 shows the on state. , FIG. 7 shows the off state. Figure 8 is an equivalent circuit diagram showing the contact resistance between terminals in a conventional device;
The figure is also an equivalent circuit diagram showing the contact resistance between terminals in an embodiment of this invention. In the figure, 1 is an insulating case, 3A, 3B are terminals, 4 is a connecting wire, 7A,
7B is a fixed contact, 8 is a stopper, 9A, 9B are compression springs, 10 is a shaft, 11 is an insulated rotor, 13 is a movable contact, 14A, 14B are connection pieces, 20A,
20B is a wall part, 21A, 21B are screws, 22A,
22B is a guide. Note that the same reference numerals indicate the same or corresponding parts.

Claims

[Scope of Claim for Utility Model Registration] (1) A movable contact, a fixed contact that can be brought into pressure contact with the movable contact, an insulating case that houses both of the above-mentioned contacts, and an insulating case that is attached to the insulating case. A switchgear comprising a screw serving as a terminal of the fixed contact, the fixed contact coming into contact with the screw. (2) The switchgear according to claim (1) of the utility model registration, characterized in that the fixed contact is brought into pressure contact with the movable contact and the screw by a spring. (3) The switching device according to claim 1 or 2, wherein the movable contactor is of a rotary type.