Ergonomic office chair

Abstract

The invention provides an ergonomic office chair which comprises a chair body, a backrest and a cushion are arranged on the inner side of the chair body in a sliding mode, a transmission mechanism capable of automatically adjusting the position of the backrest is arranged on the inner side of the chair body, and the transmission mechanism comprises a sliding rod, a push rod, a rail, a sliding block, a protruding strip, a connecting rod, a rotating ball, a first swing rod and a gear. The sliding rod slides at the lower end of the cushion; the push rod slides on one side of the sliding rod, the rail is installed on one side of the sliding rod, the sliding block slides in the rail, the gear rotates to drive a disc to rotate through a tooth piece, the disc rotates to drive the extrusion plates to rotate and move, then the extrusion plates with different lengths can be utilized to extrude the backrest, and the backrest can conveniently move on the inner side of the chair body; the materials and angles of the inclined plates can be utilized to rotate anticlockwise, and when the inclined plates rotate clockwise, the inclined plates abut against each other, so that the limiting effect is achieved, the disc can be prevented from returning, abutting limiting of the back face of the backrest is formed, and therefore the chair body can adjust the position of the backrest according to ergonomics.

Description

technical field [0001] The invention relates to the technical field of office chairs, in particular to an ergonomic office chair. Background technique [0002] The office chair refers to the chair with the backrest that people sit on when they work on the desktop in a sitting position. After sitting on the office chair for a long time, the back of the human body is easy to bend, which makes the back of the human body uncomfortable; [0003] In view of the technical problems of the above-mentioned office chairs, after searching, it was found that there is a patent No. CN201810981285.X, an office chair suitable for sedentary people, which is suitable for sedentary people. The body of the office chair is suitable for the height requirements of different users, which effectively improves the practicability of the equipment. At the same time, through the combination of the fixing screw and the limit sleeve rod, the adjustment structure is effectively fixed, and the stability of t...

AI Technical Summary

Problems solved by technology

[0004] This kind of office chair is not suitable for ergonomics by improving the stability of the equipment. When the human body sits on the upper end of the office chair for a long time, the office chair lacks support for the back of the human body, which makes the back of the human body easy to bend. After bending for a long time, the human waist will be strained. , which leads to the inability of this kind of office chair to limit the human waist according to ergonomics.

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