Desktop three-dimensional adjustment device of full-automatic myopia prevention intelligent table and chair

Abstract

The invention discloses a desktop three-dimensional adjustment device of a full-automatic myopia prevention intelligent table and chair. The desktop three-dimensional adjustment device comprises a lower desktop support, wherein the upper end of the lower desktop support is matched with an upper desktop support in a vertical sliding mode, a desktop which can incline is hinged to the end of the upper desktop support, an angle rotating shaft with a handle is arranged on the upper desktop support in a rotating mode, the two ends of the angle rotating shafts are fixedly provided with angle clamping rods respectively, the angle clamping rods are supported against the lower portion of the desktop, corrugated clamping grooves matched with the angle clamping rods are formed in the desktop, a supporting rod is fixed to the upper desktop support, and a book reading support is movably arranged on the supporting rod. The desktop three-dimensional adjustment device can effectively prevent and correct some bad habits of children in the learning process, and can effectively prevent myopia and humpback.

Description

technical field [0001] The invention relates to the field of chairs for students and children, in particular to a desktop three-dimensional adjusting device for fully automatic anti-myopia intelligent desks and chairs. Background technique [0002] In recent years, with the acceleration of social modernization, the incidence of myopia has been increasing, and myopia has become one of the eye diseases with the highest incidence in the world today. At present, the number of people wearing glasses in China has exceeded 300 million, and myopia patients in China account for 33% of the world, which is 10% higher than the world average. The myopia rate of Chinese teenagers ranks second in the world. It was learned on June 4, 2012 that according to a recent survey by the National Bureau of Statistics, the current situation of poor eyesight among Chinese students is worrying. The proportion of myopia in elementary schools is 34%-61%, that in junior high schools is 68%, and that...

AI Technical Summary

Problems solved by technology

[0004] The disadvantage of ordinary chairs is that many parents think that children's bad sitting posture is caused by fatigue, but few people know that the bad sitting posture is actually caused by the unreasonable structure of the chair. The structure of ordinary chairs is basically "h" type (Facing the right-angle type), the weight of the human body is mainly borne by the buttocks and thighs when sitting. When studying or working, the angle between the upper body and the thighs is generally less than 90 degrees, and the upper body is in a "c" shape. This sitting posture will naturally Make people's spine bend, increase the burden on legs, waist, and temples, and cause back pain after sitting for a long time

It can be said that the fatal flaw in the structure of ordinary chairs is the real culprit of myopia and hunchback in children

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