Key device and keyboard

• Main Authors: CHEN SONGYING, XIE CHAOJIN
• Format: Patent
• Language: Chinese; English
• Published: 21.05.2019
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SWITCHES; ELECTRICITY; EMERGENCY PROTECTIVE DEVICES; RELAYS; SELECTORS

The invention discloses a key device and a keyboard. The key device comprises a bottom plate, a circuit layer, a key cap and an annular structure, wherein the circuit layer is arranged on the bottom plate and is provided with a plurality of conduction parts, the key cap is arranged on the circuit layer, the annular structure is essentially arranged between the circuit layer and the key cap along an outer edge of the key cap and comprises a plurality of press parts, and the press parts prop against the key cap and are respectively aligned above the conduction parts. 本发明公开了一种按键装置及键盘，按键装置包含底板、电路层、键帽以及环形结构。电路层设置于底板上，并具有多个导通部。键帽位于电路层上方。环形结构实质上沿着键帽的外缘设置于电路层与键帽之间，并包含多个按压部。按压部抵接键帽，并分别在导通部上方对齐。