JPS617836U

JPS617836U - electrical contact device

Info

Publication number: JPS617836U
Application number: JP9110684U
Authority: JP
Inventors: 国幸古川; 哲夫平田
Original assignee: 富士電機株式会社
Priority date: 1984-06-19
Filing date: 1984-06-19
Publication date: 1986-01-17

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

[Brief explanation of drawings]

第１図はこの考案の一実施例である電気接触子装置の可
動接触子が組込まれた可動接触子支えの断面図、第２図
は第１図のＲ矢視側面図、第３図は第２図のＳ矢視断面
図、第４図は可動接触子を接点側より見た斜視図、第５
図は第４図の反対側より見た可動接触子の斜視図、第６
図は同上電気接点装置における動作を説明するための説
明図、第７図は同上電気接触子装置における可動接点と
固定接点との接触状態を側面より見た説明図、第８図は
同上電気接触子装置における可動接点と固定接点の接触
面の拡大図、第９図は第８図に示す接点の接触面に形成
する一課程前の状態を示す説明図、第１０図は電磁接触
器の補助接触子部の構造図、第１１図は従来構造の電気
接触子装置における可動接触子が組込まれた可動接触子
支えの断面図、第１２図は第１１図のＰ矢視側面図、第
１３図は第１２図のＱ矢視断面図、第１４図は可動接触
子の斜視図、第１５図および第１６図はそれぞれ同上電
気接触子装置における接点の接触動作説明図、第１７図
は凹みが生じた固定接点の平面図、第１８図は同上固定
接点の側面断面図である。１：可動接触子支え、１ａ：窓部、１ｄ：案内レール、
３：可動接触子、３ａ：ばね受け、３ｂｔ３ｅ９
６ａ，７ａ：電気接点、４：接触ばね、６，７
：固定接触子、８：截頭角錐台。Fig. 1 is a sectional view of a movable contact support in which a movable contact of an electric contact device is incorporated, which is an embodiment of this invention, Fig. 2 is a side view taken in the direction of arrow R in Fig. 1, and Fig. 3 is Fig. 2 is a sectional view taken along arrow S, Fig. 4 is a perspective view of the movable contact seen from the contact side, and Fig.
Figure 6 is a perspective view of the movable contact seen from the opposite side of Figure 4.
The figure is an explanatory diagram for explaining the operation of the above electric contact device, Fig. 7 is an explanatory diagram of the contact state between the movable contact and the fixed contact in the above electric contact device, seen from the side, and Fig. 8 is an explanatory diagram of the above electric contact device. An enlarged view of the contact surface of the movable contact and the fixed contact in the slave device, FIG. 9 is an explanatory diagram showing the state before the process of forming the contact surface of the contact shown in FIG. 8, and FIG. 10 is an auxiliary view of the electromagnetic contactor. 11 is a cross-sectional view of a movable contact support in which a movable contact is incorporated in an electric contact device with a conventional structure; FIG. 12 is a side view taken in the direction of arrow P in FIG. 11; FIG. The figure is a sectional view taken along the Q arrow in FIG. 12, FIG. 14 is a perspective view of the movable contact, FIGS. 15 and 16 are explanatory diagrams of the contact operation of the contact in the same electric contact device, and FIG. 17 is a recess. FIG. 18 is a plan view of the fixed contact where the above occurs, and FIG. 18 is a side sectional view of the same fixed contact. 1: Movable contact support, 1a: Window section, 1d: Guide rail,
3: Movable contact, 3a: Spring receiver, 3bt 3 e9
6 a, 7 a: Electric contact, 4: Contact spring, 6, 7
: fixed contact, 8: truncated truncated pyramid.

Claims

[Scope of utility model registration request]

A movable contact support connected to a movable core that is pulled to a fixed core by excitation of an electromagnetic coil, and a movable contact support that is installed in the window of this movable contact support, has electrical contacts at both ends, and is held in the center by a spring holder. a pair of movable contacts, a contact spring interposed between the two movable contacts and pressing the two movable contacts via the spring receiver, and a fixed contact installed opposite the movable contacts. In the electrical contact device comprising: a guide rail that guides the spring receiver and is parallel to the moving direction of the movable contact support on a window side wall of the movable contact support; An electrical contact device characterized in that at least one electrical contact surface of the child has a shape in which a large number of truncated pyramids are arranged.