Household anti-myopia learning table

Abstract

The invention discloses a household type myopia prevention learning desk which comprises a desktop bracket and lifting leg components, wherein the lifting leg components comprise leg bases; two parallel sleeves are fixedly arranged on each leg base; the upper ends of the two sleeves are fixedly connected with a connection plate; the two sleeves are internally matched with guide shafts in a sliding manner respectively; the upper ends of the two guide shafts are fixedly mounted on a support; a supporting shaft is mounted on the middle part of the support; movable pulleys are arranged at the lower ends of the supporting shafts. The overall height of a desktop is convenient to adjust; due to the design of the adjustable desktop, an angle can be freely adjusted, so that the learning fatigue is alleviated, the learning efficiency is improved, and one person can finish all operations.

Description

technical field [0001] The invention relates to the field of desks and chairs for students, in particular to household anti-myopia study desks. 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 in key high schools is about 90%. There are even fewer college students with q...

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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