JPH02117623U

JPH02117623U -

Info

Publication number: JPH02117623U
Application number: JP2517789U
Authority: JP
Priority date: 1989-03-07
Filing date: 1989-03-07
Publication date: 1990-09-20

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例によるドームスイツ
チの断面図、第２図は第１図のドームスイツチの
分解斜視図、第３図は従来のドームスイツチの断
面図である。１，３：コンタクト、５：ハウジング、７：ド
ームコンタクト、１１：カバー、１７：プツシヤ
ー、２１：ベースコンタクト、２５：ハウジング
、２７：ベースハウジング、２９：カバーハウジ
ング、３７：ドーム部、３９：ドーム板部、４５
，４７：角溝部、５１，５３：突部、５５：保護
シート。 FIG. 1 is a sectional view of a dome switch according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of the dome switch of FIG. 1, and FIG. 3 is a sectional view of a conventional dome switch. 1, 3: Contact, 5: Housing, 7: Dome contact, 11: Cover, 17: Pusher, 21: Base contact, 25: Housing, 27: Base housing, 29: Cover housing, 37: Dome part, 39: Dome Itabe, 45
, 47: square groove, 51, 53: protrusion, 55: protective sheet.

Claims

[Scope of utility model registration request]

In a surface-mounted dome switch including an electrically insulating housing incorporating a conductive base contact and a conductive dome contact opposite to the base contact, the base contact includes a plate-shaped base plate portion and a conductive dome contact opposite to the base contact. The dome contact has a band-like base terminal connected to one end of the base plate, and the dome contact includes a dome plate having a dome formed in the center, and a band plate connected to one edge of the dome plate. The housing has a base housing and a cover housing placed on the base housing, and the base housing has a recess into which the base part is fitted, and a periphery of the recess. and two square grooves extending from the recess to the outer circumferential surface, the dome plate part is placed on the shoulder part, and the dome terminal and the base terminal are arranged in the square grooves, respectively. A surface-mounted dome switch, characterized in that it is fixed by the base housing and the cover housing.