Sitting and reclining five-star foot office chair

Abstract

The invention relates to a sitting-lying two-purpose five-feet office chair which is composed of a front feet pipe system, an air spring, a chair seat bracket, a sliding hinge system, a chair back support arm, a positioning device, a rebound device, a chair seat and a chair back. A roller wheel of the back feet pipe system is connected with a slide way of the front feet pipe system; a connection pipe of the front feet pipe system is connected with the air spring; a steep pipe frame of the chair seat bracket is connected with the chair seat; a connection sleeve is connected with the air spring; end of the steel pipe frame is welded with the joint of the sliding hinge system; a long outer pipe of the sliding hinge system is connected with main body of the chair back; a short outer pipe is connected with a adjusting cushion of the chair back; lower part of the chair back support arm is connected with a flat bar of the back feet pipe system; upper hinge board is connected with the main body of the chair back; the positioning device is connected with the chair seat bracket; one end of the main body of the rebound device is connected with a protecting cover through a bolt; another bolt is screwed with a threaded hole of the flat bar of the back feet pipe system. Advantages: the chair of the invention is capable of not only sitting but lying, automatically adjusting gravity center; simultaneously the inclination angle of the back is fixedly adjustable.

Description

technical field [0001] The invention belongs to the technical field of seat products, in particular to a structure of a five-star base office chair system. Background technique [0002] Most of the existing five-star base office chairs can only sit, not lie down. Some five-star foot office chairs that can be reclined are realized by reclining the adjustable backrest. But its shortcoming is: one, " can only sit, can not lie down " seat system is unfavorable for people's noon rest. 2. The center of gravity of the seat system "realized by reclining the adjustable backrest" is fixed and not adjustable, so the reclining angle of the backrest is limited, or a larger chassis is required to increase the range of the center of gravity. "A seat system that can sit and recline" (200910107067.4), "a seat system that can sit and lie" (200920131839.3) etc. that I applied for before can solve the above problems, but its shortcoming is: can not use existing There is a gas spring of the f...

AI Technical Summary

Problems solved by technology

But its disadvantages are: 1. The seat system of "can only sit, not lie down" is not conducive to people's rest at noon

2. The center of gravity of the seat system "realized by reclining the adjustable backrest" is fixed and not adjustable, so the reclining angle of the backrest is limited, or a larger chassis is required to increase the range of the center of gravity

"A seat system that can sit and recline" (200910107067.4), "a seat system that can sit and lie" (200920131839.3) etc. that I applied for before can solve the above problems, but its shortcoming is: can not use existing There are gas springs for office chairs with five-star base to adjust the lifting and cushioning force

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