Key structure

A key structure, comprising:

• a keycap having a bottom surface, the keycap comprising:
• a fixing portion disposed on the bottom surface, the fixing portion having a connection hole and a first opening, the first opening communicating with the connection hole;
• and
• an elastic arm, at least one end of which connects to a side of the fixing portion and is adjacent to the first opening, the elastic arm having an open end communicating with the first opening and a limiting surface toward the bottom surface of the keycap;
• and
• a connecting member comprising a connection pin, one end of which connects to the connecting member and the other end of which has an extension portion, wherein the connection pin passes through the first opening and is disposed in the connection hole, and the extension portion passes through the elastic arm and is disposed between the bottom surface of the keycap and the limiting surface, wherein there is a space between the extension portion and the limiting surface of the elastic arm.