| 摘要 |
The present application is to provide a time period setting structure of timer, in which a rotary disk is provided on periphery of setting disk, a transparent fixing cover and several setting keys are provided in the setting disks a LCD is also provided in the transparent fixing cover, and a rotary ringed stand is provided under the rotary disk, several projecting teeth are provided on the outer edge of ringed body under the ringed stand, otherwise, a sliding device is provided on base, a projecting tooth is provided on the sliding device; when the rotary disk is clockwise/ counter clockwise rotated, to-and-fro movement between left/right and central position is formed by means of rotating the projecting teeth under the ringed stand with fitting the projecting tooth of the sliding device, with which to-and-fro movement triggers conductor area of pre-set circuit, the object of setting Hour/Minute can be therefore achieved by operating the rotary disk.
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