Thin sheet with movable contact and button switch utilizing the same sheet

Abstract

The present invention provides a sheet with movable contacts comprises: a first movable contact 3; a second movable contact 4 having a greater stroke from the reversal of an inner surface of a swollen part by pressing to its making contact with a central fixed contact than the first movable contact 3; a first sheet 1 having accommodating holes 1a, 1b capable of accommodating the first and second movable contacts 3, 4; and a second sheet 5 holding the first and second movable contacts 3, 4 at the back surface thereof with an adhesive portion 5a and closing the top of the accommodating holes 1a, 1b of the first sheet 1. One of the first and second sheets 1, 5 is used as a common sheet to be equipped with the first and second movable contacts 3, 4 together. The first sheet 1 is designed to have a uniform thickness according to the difference between strokes of the first movable contact 3 and the second movable contact 4, so that the height at which the first and second movable contacts 3, 4 are held by the second sheet 5 is adjusted.

Description

technical field [0001] The present invention relates to the structure of a push button switch used as a switch for operation of various electronic devices, and more particularly, to a sheet with a movable contact and a push button switch that perform contact separation and separation by pressing to reverse the arched bulging portion structure. Background technique [0002] As a conventional structure of a sheet with a movable contact and a push button switch, it is known that a plurality of arch-shaped movable contacts are attached to an adhesive sheet, and the sheet with a movable contact is arranged on a substrate. The structure of the sheet type push button switch. (For example, refer to Patent Document 1). [0003] The structure of such a conventional sheet with a movable contact and a push button switch is shown in FIGS. 10 and 11 . 10 is an exploded perspective view of a conventional sheet with a movable contact, and FIG. 11 is a sectional view of a main part of a p...

AI Technical Summary

Problems solved by technology

However, when movable contacts with different strokes that are reversed by pressing and touching the fixed contacts are mixed on a single sheet, the peripheral part of the lower end of the movable contact with a small stroke will change from The bottom of the sheet floats and the contact with the fixed contact of the insulating substrate is unstable

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