| 摘要 |
<p>The present invention belongs to the technical field of keys of electronic command input device, and provides a key structure comprising a keycap, a main shaft, an upper cover, a main spring, a lower cover, a conductive film and an auxiliary shaft, wherein the conductive film is laid on the lower cover; the lower cover, the conductive film and the upper cover are respectively provided with a through hole through which the main shaft can penetrate; the lower end of the main spring is arranged within the lower cover; the upper portion of the main spring is sleeved within the main shaft; the lower surface of the keycap is connected onto the main shaft; the auxiliary shaft is arranged below the other end of the upper cover opposite to the end provided with the through hole; the auxiliary shaft is aligned with the conductive film arranged below the auxiliary shaft; an end platform is arranged below the main shaft; an end point boss is arranged on the side of the auxiliary shaft; and the end platform is arranged below the end point boss, when not in work, the end platform raises the end point boss, and the idler running of the main shaft results in a good hand feeling; the auxiliary shaft is released while the main shaft is pressed down, so as to power on the conductive film immediately, and still the main shaft is continuously pressed down, which improves the speed and the sensitivity remarkably.</p> |
