a chair

Abstract

The invention relates to the field of office equipment and in particular relates to a chair. The chair comprises a supporting part, four 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 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 in a sliding manner; jacking devices for jacking the folded plate to tend to protrude outwards are installed below the folded plate; the supporting part is a rectangle when being overlooked; the four chair legs are vertically installed at the four corners of the bottom of the supporting part; the individual chair leg is divided into upper, middle and lower three sections; the two ends of the middle section are fixedly connected with the interiors of the upper and lower sections via hydraulic cylinders or springs and can be controlled to stretch up and down. The invention aims to provide the chair which has the effects of protecting the lumbar vertebrae of users, helping correct the sitting postures and relieving the pressure and is more comfortable.

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 current chair functions are too single to meet more needs; for example, the chair is too hard, and there is no sense of integration when sitting down, which makes the user feel uncomfortable, and t...

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 Continue to form a burden on the lumbar spine, so there is no good solution to this problem until now;

[0004] In addition, the current chair functions are too single to meet more needs; for example, the chair is too hard, and there is no sense of integration when sitting down, which makes the user feel uncomfortable, and the white-collar work is too stressful and lacks the function of relieving stress

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