JPH0335622U

JPH0335622U -

Info

Publication number: JPH0335622U
Application number: JP9544689U
Authority: JP
Priority date: 1989-08-14
Filing date: 1989-08-14
Publication date: 1991-04-08

Description

[Brief explanation of drawings]

第１図はこの考案による押ボタンスイツチの一
例を示す断面図、第２図は動作説明用の同断面図
、第３図は同分解斜視図、第４図は従来の押ボタ
ンスイツチを示す断面図、第５図は動作説明用の
同断面図である。Ａ……スイツチケース、１……ベース、１ａ…
…凹所、２……カバー、３……第１の固定接点片
、４……第２の固定接点片、５……反転ばね、５
ａ……凸面、６……押ボタン、７……第３の固定
接点片、３ａ，４ａ，７ｃ……端子。 Fig. 1 is a sectional view showing an example of a push button switch according to this invention, Fig. 2 is a sectional view of the same for explaining the operation, Fig. 3 is an exploded perspective view of the same, and Fig. 4 is a sectional view showing a conventional push button switch. FIG. 5 is a sectional view of the same for explaining the operation. A...Switch case, 1...Base, 1a...
... recess, 2 ... cover, 3 ... first fixed contact piece, 4 ... second fixed contact piece, 5 ... reversal spring, 5
a...Convex surface, 6...Push button, 7...Third fixed contact piece, 3a, 4a, 7c...Terminal.

Claims

[Scope of utility model registration request]

first and second fixed contact pieces respectively set on the inner bottom periphery and center of a recess formed in the electrically insulating base; an electrically conductive dome-shaped reversing spring that contacts the contact piece and whose central portion is disposed opposite to the second fixed contact piece; a push button that applies a pressing force to the central portion of the reversing spring; and the base. and a third fixed contact piece provided in the recess and in contact with the center portion of the reversal spring, and the center portion of the reversal spring is separated from the third fixed contact piece when the push button is pressed. A push-button switch, characterized in that the push-button switch is configured to contact the second fixed contact piece.