CN87212107U

CN87212107U - Biomechanics chair

Info

Publication number: CN87212107U
Application number: CN 87212107
Authority: CN
Inventors: 魏效荣
Original assignee: Individual
Current assignee: Individual
Priority date: 1987-08-22
Filing date: 1987-08-22
Publication date: 1988-08-03

Abstract

The utility model relates to a biomechanics chair, which is a seat unit of which the seat board is a slope. The utility model is designed according to the principles of human body biomechanics and the normal physiological status of a human body. The biomechanics chair is characterized in that the gravity of the upper body can be dispersed toward a plurality of positions when a user sits on the utility model; the human body can be maintained in a normal physiological static balance state; a lumbosacral cornu is positioned in a relaxing angle; the biomechanics chair can not only be used for easing the pressure force of a lumbar and buttocks, but also can be used for maintaining the blood circulation of lower limbs and the blood circulation of small pelvis positions normal. The biomechanics chair has the advantages of comfortable sitting position and difficult fatigue. The biomechanics chair can prevent various disease symptoms caused by incorrect sitting positions. The biomechanics chair has great benefit for the growth and development of the teenagers.

Description

Biomechanics chair

The utility model belongs to the improvement of Chair structure.

Common employed chair, generally by backrest, hold up arm, seat board to connect to form by supporting construction, though different, common ground is that its seat board is a level.The people takes the back lower limb and backbone is about at an angle of 90, thereby move after making pelvis, protruding behind the lumbar vertebrae, upper body gravity concentrates on lumbar vertebrae and buttocks, lumbar vertebrae load increase, this sitting posture of long-term maintenance, can cause illnesss such as lower limb and minor pelvis district blood circulation disorder, numbness of lower limbs, hemorrhoid, constipation, illnesss such as lumbar muscle strain, vertebra hyperplasia, hunchback can take place in severe patient, particularly grow more harmful to the normal growth of teenager's vertebra.

The purpose of this utility model is according to body biomechanics principle and the normal physiological status of human body, designs a kind of biomethanics chair that adapts with the body biomechanics structure, thus the above-mentioned disadvantage that can avoid traditional Chinese chair to have.

Principle of the present utility model is: when the people lies on the back and hip knee flexing, backbone is in not load condition, and this posture is a static balancing state, when this posture half-twist is become sitting posture, can keep the chair of this sitting posture to be the biomethanics chair.Main points of the present utility model are: increased on the basis of common seat and held up neck, hold up ridge, hold up knee and hold up pin, its each several part can keep specific separately angle by regulating after connecting through supporting construction.

Accompanying drawing one is the principle assumption diagram of the designed biomethanics chair of the utility model, and accompanying drawing two is a kind of enforcement structure charts of designed biomethanics chair, and 1 for holding up neck among the figure, and 2 is backrest, 3 for holding up ridge, and 4 for holding up arm, and 5 is seat board, and 6 for holding up knee, 7 for holding up pin, and 8 is link, and 9 is basic support.

The utility model realizes that by following scheme as shown in the figure: holding up neck (1) and plumb line angle is 25 °-35 °, and its effect is to support neck, makes the Head and Neck loosening all muscles; Backrest (2) is 10 °-15 ° with the plumb line angle, and its effect is to be close to backbone, makes backbone keep normal curvature; Holding up ridge (3) and plumb line angle is 4 °-6 °, and its effect is to support the thoracic vertebrae bottom, makes lumbosacral region be in relaxed state; Seat board (5) is 25 °-35 ° with horizontal plane angle, and its effect is to support buttocks, keeps lumbosacral angle to be about 30 °, and the effect of holding up arm (4) is to place arm, and arm is in and the parallel state of seat board (5) approximately; Holding up knee (6) and horizontal plane angle is 25 °-35 °, and its effect is to support two knees, makes human body be in flexing hip knee, psoas loosens; Holding up pin (7) and horizontal plane angle is 25 °-35 °, and its effect is to support both feet, and makes both feet be in the position at the about 30 ° of angles of dorsiflex; Hold up knee (6) and hold up pin (7) to be positioned at the below of seat board (5); Link (8) has been to be connected and supporting role with basic support (9).The support and connection structure of seat can adopt any of conventional seat, also can adopt the adjusting device of chaise longue, makes it may be adjusted to be chaise longue.

The Biomechanics chair that the utility model is designed, can make human body keep normal biomechanical balance state, and the upper body gravity that makes the people is by holding up ridge, seat board, holding up knee and hold up pin to carry out power and decompose, greatly alleviated the pressure of lumbar vertebrae and buttocks, keep simultaneously the angle of lumbosacral angle, knee joint and dorsiflex to be about 30 °, be conducive to the blood circulation of lower limb and minor pelvis. Be sitting on this chair not only comfortable, be difficult for tiredly, and can prevent the multiple disease that really causes because of abnormal sitting posture, especially to the teen-age very big benefit of having grown.

Claims

1, a kind of by backrest (2), the chair of holding up arm (4), seat board (5) and supporting construction to form, of the present utility modelly be characterised in that seat board (5) and horizontal plane angle are 25 °-35 °, and hold up arm (4) can keep arm to be in the state parallel approximately with seat board;

2, chair according to claim 1 is characterized in that holding up knee (6) and holding up pin (7) below the seat board, and holding up knee (6) and horizontal plane angle is 25 °-35 °, and holding up pin (7) and horizontal plane angle is 25 °-35 °;

3, chair according to claim 1 and 2 is characterized in that backrest (2) and plumb line angle are 10 °-14 °, and can hold up ridge (3) that itself and plumb line angle are 4 °-6 °;

4,, it is characterized in that it is 25 °-35 ° that neck (1), itself and plumb line angle are held up in backrest (2) top according to claim 2 or 3 described chairs.