JPH0337722U

JPH0337722U -

Info

Publication number: JPH0337722U
Application number: JP9785189U
Authority: JP
Priority date: 1989-08-21
Filing date: 1989-08-21
Publication date: 1991-04-11
Anticipated expiration: 2004-08-21
Also published as: JPH0631620Y2

Description

[Brief explanation of drawings]

第１図ａ〜ｄはそれぞれ本考案の第１の実施例
を示す分解斜視図、上面図、断面正面図及び部分
断面側面図、第２図ａ〜ｄはそれぞれ本考案の第
２の実施例の可動接点ばねの上面図、側面図、正
面図及び可動接点ばねと固定接点片の斜視図、第
３図及び第４図ａ，ｂはそれぞれ従来のキーボー
ドスイツチの一例を示す分解斜視図及び上面図、
断面側面図である。１，１Ａ……プランジヤー、２，２Ａ……ハウ
ジング、３，３Ａ……コイルスプリング、４，４
ａ，４Ａ……可動接点ばね、５，５ａ，５Ａ……
固定接点片、６……ガイド、７……突起、８，８
Ａ……プリント基板、９……端子穴、１０，１０
Ａ……アツププレート、１１……スライド部、１
２……端子、１３……爪、１４，１４−Ａ，１４
−Ｂ……突起、１５，１５ａ，１５Ａ……カム、
１６，１６−Ａ……突起、１７，１７ａ，１７Ａ
……可動接点、１８，１８Ａ……固定接点、１９
……エレメント組立、２０……アクチユエータ、
２１……エレメントハウジング、２２……かしめ
ピン、２３……孔、２４，２５……かしめピン、
２６，２７……孔、２８……固定爪、２９……マ
ウンテイングプレート。 1A to 1D are an exploded perspective view, a top view, a sectional front view, and a partially sectional side view showing a first embodiment of the present invention, and FIGS. 2A to 2D are a second embodiment of the present invention, respectively. A top view, a side view, a front view of the movable contact spring, and a perspective view of the movable contact spring and the fixed contact piece. FIGS. 3 and 4 a and b are an exploded perspective view and a top view showing an example of a conventional keyboard switch, respectively. figure,
FIG. 1,1A...Plunger, 2,2A...Housing, 3,3A...Coil spring, 4,4
a, 4A...Movable contact spring, 5, 5a, 5A...
Fixed contact piece, 6...Guide, 7...Protrusion, 8,8
A...Printed circuit board, 9...Terminal hole, 10,10
A... Up plate, 11... Slide part, 1
2...Terminal, 13...Claw, 14, 14-A, 14
-B...Protrusion, 15, 15a, 15A...Cam,
16, 16-A...Protrusion, 17, 17a, 17A
...Movable contact, 18, 18A...Fixed contact, 19
...Element assembly, 20...Actuator,
21... Element housing, 22... Crimping pin, 23... Hole, 24, 25... Crimping pin,
26, 27...hole, 28...fixing claw, 29...mounting plate.

Claims

[Scope of utility model registration request]

A housing is formed of an insulating material and includes a plunger insertion part, a fixed contact piece insertion part, and a movable contact spring insertion part, and the housing is inserted into the plunger insertion part of the housing vertically freely and has a protrusion at a predetermined position. A plunger formed of an insulating material, a spring provided between the plunger and the housing to apply an upward force to the plunger, and a fixed contact and a terminal, the fixed contact piece insertion portion of the housing being provided with a spring. a fixed contact piece that is inserted and fixed so that the terminal protrudes from the bottom surface of the housing and is formed of a conductive elastic material;
A movable contact, a terminal, and a cam are inserted and fixed into a movable contact spring insertion portion of the housing, the terminal protrudes from the bottom surface of the housing, and the cam is moved by a protrusion of the plunger in accordance with the vertical movement of the plunger. A movable contact spring made of a conductive elastic material and having pressure contact or non-contact between the fixed contact and the movable contact, a movable contact spring inserted from the upper part of the plunger and the housing to prevent the plunger from coming off from the housing, and a print on the housing. A keyboard switch characterized by having an up plate for fixing to a board.