Portable sitting and lying auxiliary backrest supporting device

Abstract

The invention relates to the field of health care equipment, in particular to a portable sitting and lying auxiliary backrest supporting device which comprises two sets of fixing frames which are symmetrically arranged. Each fixing frame is composed of a first rod, a second rod and a third rod; a first hydraulic cylinder is fixedly installed at one end of each first rod; the output ends of the first hydraulic cylinders penetrate through the first rods and are fixedly provided with first fixing blocks, first clamping plates are arranged on one sides of the first fixing blocks, first bolts are in threaded connection with the sides, away from the first fixing blocks, of the first clamping plates, and the first bolts penetrate through the first clamping plates and are in threaded connection inthe first fixing blocks; one end of each second rod is correspondingly arranged and hinged to the end, away from the fixing block, of the corresponding first rod; and one end of each third rod is correspondingly arranged and hinged to the end, away from the corresponding first rod, of the corresponding second rod. The device can be quickly assembled and disassembled, can be adjusted as required,and is suitable for popularization.

Description

technical field [0001] The invention relates to the field of health care equipment, in particular to a portable sitting and lying auxiliary back support device. Background technique [0002] In modern society, a lot of work needs to be done in the office. Many people suffer from lumbar muscle strain and other diseases due to long-term sedentary work, which greatly affects their health. [0003] At present, in view of this situation, many office chairs have a certain back support function, so that people can get enough back support when sitting for a long time, and slow down the impact of sitting for a long time, but this kind of office chair is generally expensive and popular. The rate is low, and the conventional office chair basically does not have the backrest support function, only has the basic seat function, and the backrest is generally fixed and cannot be adjusted according to the needs of the human body, which brings inconvenience to people's daily use. Contents o...

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Problems solved by technology

[0003] At present, in view of this situation, many office chairs have a certain back support function, so that people can get enough back support when sitting for a long time, and slow down the impact of sitting for a long time, but this kind of office chair is generally expensive and popular. The rate is low, and the conventional office chair basically does not have the backrest support function, only has the basic seat function, and the backrest is generally fixed and cannot be adjusted according to the needs of the human body, which brings inconvenience to people's daily use

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