Ergonomic office chair

An ergonomic, office chair technology, applied in chairs, chairs with vertically adjustable seats, stools, etc., can solve the problems of easy bending of the back of the human body, strain on the waist of the human body, and the office chair cannot support the waist of the human body.

Inactive Publication Date: 2022-01-14
戴云云
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] This kind of office chair is not suitable for ergonomics by improving the stability of the equipment. When the human body sits on the upper end of the office chair for a long time, the office chair lacks support for the back of the human body, which makes the back of the human body easy to bend. After bending for a long time, the human waist will be strained. , which leads to the inability of this kind of office chair to limit the human waist according to ergonomics.

Method used

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  • Ergonomic office chair
  • Ergonomic office chair
  • Ergonomic office chair

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1: An ergonomic office chair, including a chair body 1, a backrest 101 and a seat cushion 102 slide on the inner side of the chair body 1, and a transmission mechanism that can automatically adjust the position of the backrest 101 is provided on the inner side of the chair body 1;

[0031] Wherein: the human body sits on the upper end of the cushion 102, the cushion 102 is squeezed downward, and then the cushion 102 is squeezed to the upper end of the transmission mechanism, and the transmission mechanism drives the backrest 101 to adjust the position, by continuously squeezing the upper end of the cushion 102 up and down, the backrest 101 can continuously Sliding horizontally, so that the backrest 101 can adjust the supporting distance from the back of the human body according to the needs of the human body;

[0032] Transmission mechanism comprises slide bar 2, push rod 201, track 4, slide block 401, raised bar 402, connecting rod 5, rotating ball 501, first...

Embodiment 2

[0038] Embodiment 2: with reference to instruction manual Figure 5 and 6 , The difference between Embodiment 2 and Embodiment 1 is that the transmission mechanism includes a disc 6, a swash plate 601, a gear plate 602, a squeeze plate 603, a second swing rod 7, a rotating disc 7, a limit rod 702, and the disc 6 Rotating on the outer side of the gear 503, the gear piece 602 surrounds the inner side of the disc 6, the swash plate 601 is inlaid on one side of the disc 6, the extrusion plate 603 surrounds the outer side of the disc 6, and the second swing rod 7 swings on the connecting On the other side of the rod 5, the rotating disk 701 rotates on one side of the second swing rod 7, and the limit rod 702 rotates on one side of the rotating disk 701;

[0039]The disk 6 is arranged in a ring shape, the surface of the disk 6 is embedded with a groove, the groove is arranged in a ring shape, the swash plate 601 is arranged inside the groove, and one end of the limit rod 702 slides...

Embodiment 3

[0046] Embodiment 3: with reference to instruction manual image 3 The difference between Embodiment 3 and Embodiments 1 and 2 is that the transmission mechanism includes a support rod 202, a bracket 3, a rotating shaft 301, a steel wire bar 302 and a weight 303. Folding and sliding on both sides of the support rod 202, the rotating shaft 301 is hinged on the inner side of the bracket 3, the steel wire bar 302 swings on one side of the rotating shaft 301, and the weight 303 is installed on the lower end of the bracket 3;

[0047] The support rod 202 is embedded with grooves on both sides of the bracket 3, the bracket 3 slides vertically inside the groove, and the bracket 3 is arranged in a horizontal "eight" shape, and the bracket 3 and the rotating shaft 301 swing at 5-35°;

[0048] When the slide bar 2 slides downward, both sides of the lower end of the slide bar 2 are squeezed to the upper end of the bracket 3, and the upper end of the bracket 3 swings at an angle through t...

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PUM

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Abstract

The invention provides an ergonomic office chair which comprises a chair body, a backrest and a cushion are arranged on the inner side of the chair body in a sliding mode, a transmission mechanism capable of automatically adjusting the position of the backrest is arranged on the inner side of the chair body, and the transmission mechanism comprises a sliding rod, a push rod, a rail, a sliding block, a protruding strip, a connecting rod, a rotating ball, a first swing rod and a gear. The sliding rod slides at the lower end of the cushion; the push rod slides on one side of the sliding rod, the rail is installed on one side of the sliding rod, the sliding block slides in the rail, the gear rotates to drive a disc to rotate through a tooth piece, the disc rotates to drive the extrusion plates to rotate and move, then the extrusion plates with different lengths can be utilized to extrude the backrest, and the backrest can conveniently move on the inner side of the chair body; the materials and angles of the inclined plates can be utilized to rotate anticlockwise, and when the inclined plates rotate clockwise, the inclined plates abut against each other, so that the limiting effect is achieved, the disc can be prevented from returning, abutting limiting of the back face of the backrest is formed, and therefore the chair body can adjust the position of the backrest according to ergonomics.

Description

technical field [0001] The invention relates to the technical field of office chairs, in particular to an ergonomic office chair. Background technique [0002] The office chair refers to the chair with the backrest that people sit on when they work on the desktop in a sitting position. After sitting on the office chair for a long time, the back of the human body is easy to bend, which makes the back of the human body uncomfortable; [0003] In view of the technical problems of the above-mentioned office chairs, after searching, it was found that there is a patent No. CN201810981285.X, an office chair suitable for sedentary people, which is suitable for sedentary people. The body of the office chair is suitable for the height requirements of different users, which effectively improves the practicability of the equipment. At the same time, through the combination of the fixing screw and the limit sleeve rod, the adjustment structure is effectively fixed, and the stability of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47C1/00A47C3/00A47C7/40A47C7/46
CPCA47C1/00A47C3/00A47C7/462A47C7/40
Inventor 戴云云
Owner 戴云云
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