Keyboard device

A keyboard device, comprising:

• a base plate comprising a first coupling part, wherein the first coupling part comprises
• a first locking hole;
• and
• a key structure comprising:
• a keycap located over the base plate;
• a stabilizer bar arranged between the keycap and the base plate, wherein the stabilizer bar comprises a transverse bar part and a first hook part, wherein the transverse bar part is pivotally coupled to the keycap, and the first hook part is penetrated through the first locking hole of the first coupling part;
• and
• a first connecting element and a second connecting element arranged between the keycap and the base plate, wherein the keycap is movable upwardly or downwardly relative to the base plate through the first connecting element, and the first connecting element comprises a first supporting structure, wherein the first supporting structure is arranged between the first hook part of the stabilizer bar and the base plate, and the first hook part is supported by the first supporting structure, so that the first hook part is contacted with an inner wall of the first locking hole, wherein the first connecting element and the second connecting element are scissors-type connecting elements.