Keyboard and key module thereof

Abstract

A keyboard includes a fixed module and at least one key module. The fixed module includes a first circuit board and a first base plate. The first circuit board includes a trigger unit. The first base plate includes an accommodation space, and the trigger unit corresponds to the accommodation space. The key module is detachably disposed on the fixed module. The key module includes a keycap unit, a second base plate, a connecting member and an elastic member. The keycap unit partially corresponds to the accommodation space of the first base plate. The second base plate detachably connects to the fixed module. One end of the connecting member connects to the keycap unit, and the other end of the connecting member connects to second base plate. The elastic member is disposed on the second base plate and in contact with the keycap unit.

Dependencies are inferred from the claim text.