Chair

Abstract

The invention relates to the field of office equipment and in particular relates to a chair. The chair comprises a supporting part, chair legs, a backrest and a folded plate, wherein the supporting part is used for supporting the hip of a user when the user sits; the chair legs are rod pieces and are installed at the four corners of the bottom of the supporting part; the backrest is installed at one side of the supporting part or at the sides of the chair legs below the side of the supporting part; the folded plate is formed by connecting a plurality of plates in series; each plate can rotate around the position in which the plate is connected with the adjacent plate in series; the side of the top plate is installed on the backrest via slide rails in a sliding manner; jacking devices for jacking the folded plate to tend to protrude outwards are installed below the folded plate; rod pieces protrude toward the two sides of the side of the top plate of the folded plate; pulleys are arranged on the rod pieces and are matched with the slide rails in a sliding manner; the slide rails are made of permanent magnets; the pulleys are made of iron. The invention aims to provide the chair which has the effects of protecting the lumbar vertebrae of users and helping correct the sitting postures and is convenient to dismantle and change.

Description

technical field [0001] The invention relates to the field of office equipment, in particular to a chair. Background technique [0002] Nowadays, there are more and more white-collar workers, and many people are almost facing the computer when they work during the day, sitting all day, so many young people now have lumbar disc herniation, cervical spondylosis, etc.; [0003] The method advocated by most people, including doctors, is to be able to correct the sitting posture, but in the actual correction process, it is difficult. When going to work, it can be corrected in time, but as the work progresses, the lumbar spine will gradually collapse, and then Continue to form a burden on the lumbar spine, so there is no good solution to this problem until now; [0004] In addition, the function of the current chair is too single to meet more needs, such as how to make it easier to disassemble, replace and clean while satisfying the correction function. Contents of the invention...

AI Technical Summary

Problems solved by technology

[0003] The method advocated by most people, including doctors, is to be able to correct the sitting posture, but in the actual correction process, it is difficult. When going to work, it can be corrected in time, but as the work progresses, the lumbar spine will gradually collapse, and then

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