Press key assembly and button device

The utility model discloses a press key assembly, including snap dome with stack gradually press key cap, silica gel piece, FPC, steel sheet, the last volume contact that is equipped with of FPC, snapdome locates between silica gel piece, the FPC, snap dome respectively with a FPC on volume contact...

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Bibliographic Details
Main Author XIAO XILIANG
Format Patent
LanguageChinese
English
Published 21.08.2018
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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Summary:The utility model discloses a press key assembly, including snap dome with stack gradually press key cap, silica gel piece, FPC, steel sheet, the last volume contact that is equipped with of FPC, snapdome locates between silica gel piece, the FPC, snap dome respectively with a FPC on volume contact laminate mutually, silica gel piece is equipped with and presses the arch, presses the arch and corresponds the setting with snap dome, silica gel piece one end has first arch, first protruding protrusion in the tip of FPC and steel sheet. The utility model discloses press key assembly and button device corresponds range upon range ofly through press key cap and silica gel piece, when press the key cap pressurized, presses down corresponding snap dome through transmission in proper order, and then realizes corresponding function and select that silica gel piece one end has first arch, and whether can more make things convenient for the judgement to put the orientation according to key assembly correct, and key cap,
Bibliography:Application Number: CN201721773827U