| 摘要 |
A keyboard switch comprises an upper cover (1), a base (2), a fixed terminal (3), a movable terminal (4) and a pressing component (5). A guide column (21) is disposed on the base, the pressing component is installed on the guide column on which a return spring (8) is fitted, the upper end of the pressing component is exposed out of the upper cover for pressing, and the upper cover is fastened to the base to form a cavity, the fixed terminal and the movable terminal are disposed on one side of the pressing component in the cavity, and one end of the fixed terminal and one end of the movable terminal penetrate out of the base to be connected to an external circuit. The pressing component moves up and down to drive the movable terminal to move, and further to control contact and disconnection between the other end of the movable terminal and the other end of the fixed terminal. Further, an elastic auxiliary component for interfering with the pressing component to enhance the pressing sense is disposed on the other side of the pressing component, and the pressing component interferes with the elastic auxiliary component while moving up and down to drive the movable terminal. The keyboard switch makes full use of the inner space of the switch and an auxiliary device is added in the switch, so that the switch has good touch and voice, a simple structure and a long life. |
