Backrest-adjustable office chair

Abstract

The invention discloses a backrest-adjustable office chair, which comprises a rotary type chair leg, wherein a seat plate is fixedly mounted at the top of the rotary type chair leg; a rotating deviceis arranged at the top of the seat plate; the top of the seat plate is fixedly connected with the bottom of a backrest mechanism through the rotating device; the backrest mechanism comprises a backrest plate and a neck cushion block; the bottom of the neck cushion block is fixedly connected with a first sliding plate and two second sliding plates respectively; a first sliding chute and two secondsliding chutes are formed in the top of the backrest plate respectively; the first sliding plate and the second sliding plates are connected with the first sliding chute and the second sliding chutesrespectively; toothed bars are fixedly mounted on the left and right sides of the inner wall of the first sliding chute. The neck cushion block, the first sliding plate and the second sliding plate are drawn out and extend through a lifting device, and the backrest plate and the seat plate are flatly laid through the rotating device; meanwhile, a supporting rod is laid down via rotation and is incontact with the ground, so that a worker can lie down to take a rest to improve the rest quality and avoid arm numbness and neck pain; the backrest-adjustable office chair is easy and convenient to operate.

Description

technical field [0001] The invention relates to the field of office technology, in particular to an office seat with an adjustable backrest. Background technique [0002] Office chairs are a necessary tool in people's daily work. There are many kinds of them, but most of them are just for people to sit on. The other is to sit on a chair and lean back against the backrest to rest. This method will also cause pain in the neck and waist, which is also very inconvenient. At the same time, the height of the backrest is fixed, resulting in Workers with different elevations have sore necks and waists because their heads cannot be properly supported by pillows. Contents of the invention [0003] (1) Solved technical problems [0004] Aiming at the deficiencies of the prior art, the invention provides an office seat with an adjustable backrest, which solves the problems of uncomfortable rest, neck and waist pain. [0005] (2) Technical solution [0006] In order to achieve the ...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies of the prior art, the present invention provides an office seat with an adjustable backrest, which solves the problems of uncomfortable rest, sore neck and waist

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