Key structure

Abstract

A key structure includes a base, a key cap, a restoring force mechanism and a switch. The key cap is arranged on the base. The restoring force mechanism is arranged between the base and the key cap. The restoring force mechanism includes a spring and a rubber dome, wherein the spring is arranged around the silicone convex portion. The switch is fixedly arranged between the base and the rubber dome. When the key cap is located at an initial position, the key cap is separated from the spring, and the key cap is in contact with the rubber dome. When the key cap is subjected to a pressing force, the key cap moves from the initial position toward the base to a conversion position, and the key cap contacts the spring. When the key cap moves toward the base and exceeds a trigger position, the rubber dome triggers the switch to generate a trigger signal.

Images