Eye-protecting posture-correcting chair capable of adjusting chair back

Abstract

The invention discloses an eye-protecting posture-correcting chair capable of adjusting the chair back. The chair comprises chair legs, a chair surface and a chair back, the chair legs are fixedly connected to the lower part of the chair surface, and the chair back is movably connected to the upper part of the chair surface and can move up and down relative to the chair surface; a shoulder pressing part is arranged at one end, far away from the chair surface, of the chair back and used for being in contact with the upper part of a shoulder; and a handle for adjusting the height of the chair back is arranged on the left side or the right side of the chair back, and a hand grip for adjusting the included angle between the shoulder pressing part and the chair surface is arranged on the side, opposite to the handle, of the chair back. The chair can achieve the purposes of being suitable for users of different body types and keeping vision correction of the users, and can be widely applied to the technical field of chairs.

Description

technical field [0001] The invention relates to the field of seats, in particular to an upright seat with an adjustable backrest. Background technique [0002] In the prior art, the seats for students can generally realize the height adjustment of the seat surface and the adjustment of the inclination angle, but they cannot realize the sitting posture and eye correction functions for students during the learning process, and cannot be used for different heights. Students adjust the height of the back of the chair, which has certain disadvantages for students in class, especially for students who are in a sitting position for a long time. Moreover, the chairs of the prior art cannot be adjusted for the inappropriate sitting posture of the students during the specific use process, and many students will involuntarily narrow the distance with the school supplies during the learning process, thereby deteriorating the students' eyesight. It also puts a mental burden on the paren...

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the seats for students can generally realize the height adjustment of the seat surface and the adjustment of the inclination angle, but they cannot realize the sitting posture and eye correction functions for students during the learning process, and cannot be used for different heights. Students adjust the height of the back of the chair, which has certain disadvantages for students in class, especially for students who are sitting in a sitting position for a long time

Moreover, the chairs of the prior art cannot be adjusted for the inappropriate sitting posture of the students during the specific use process, and many students will involuntarily narrow the distance with the school supplies during the learning process, thereby deteriorating the students' eyesight. It also puts a mental burden on the parents

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