Optical jitter rate adjusting device for digitized video CD machine

The utility model which relates to an optical adjusting device of a digital optical video disc machine jittering rate comprises three regulating gear groups and two moving gears, and the three regulating gear groups are respectively provided with a shaft that regulates knobs and a regulating axis, and the shaft and the regulating axis can rotate synchronously through a transmission device; the three regulating axles are respectively provided with at least a linkage gear, and the top end of the linkage gear is respectively movably matched and connected with a regulating screw of a guiding axis that is provided with a reading device; the two moving gears which are respectively arranged among the linkage gears of the three regulating gear groups are meshed with the linkage gear along with the action of the dynamic source, and the regulating gear groups can do linkage action, therefore, a laser optical axis and an optical plate can be regulated to a vertical angle quickly and effectively through the method of single point control, two points coaxial and three points linkage.