Press key structure and balance rod thereof
A technology of balance bar and button, applied in the field of balance bar, can solve the problem of inability to penetrate the setting, so the middle part of the balance bar can only be set on the side of the keycap, which is difficult to restrain the action of the keycap, and the dimensional tolerance is difficult to accurately control, etc. problems, to achieve the effect of improving assembly accuracy and actuation accuracy, and improving actuation stability
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[0040] see Figure 1 to Figure 3 , figure 1 It is an exploded view of the key structure 1 according to an embodiment of the present invention, figure 2 It is a combination diagram of button structure 1, image 3 For key structure 1 edge figure 2 Sectional view of midline X-X. The button structure 1 includes a bottom plate 12, a keycap 14, a lifting mechanism 16, a balance bar 18, an elastic circular protrusion 20 and a thin film circuit board 22; figure 2 Among them, in order to clearly show the combined state of the key structure 1, the keycap 14 is not shown. The keycap 14 is disposed on the bottom plate 12 . The lifting mechanism 16 is provided between the bottom plate 12 and the keycap 14 and connected to the connecting structure 122 of the bottom plate 12 and the connecting structure 142 on the lower surface 14a of the keycap 14 (shown in hidden lines in figure 1 Middle), so that the keycap 14 can move up and down relative to the bottom plate 12 through the lifti...
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