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Chair with adjustable backrest

An adjustable backrest technology, applied in the field of backrest adjustable seat and adjustable backrest seat structure

Inactive Publication Date: 2012-10-03
JIMEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Yet the seat on the market does not yet appear to carry out the leg massage structure, and the present invention has been researched for a long time and creates a seat device, so the present invention proposes

Method used

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  • Chair with adjustable backrest
  • Chair with adjustable backrest
  • Chair with adjustable backrest

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0015] Example: see figure 1 , figure 2 , a seat with an adjustable backrest, comprising a chair frame 1, a backrest 2 and a backrest angle adjustment assembly 3, wherein:

[0016] A chair frame 1 has a seat surface 11 on it, and a backrest 2 is provided at the rear end of the chair surface;

[0017] Backrest 2, the bottom end of which is hinged on the chair frame 1, the angle α between the backrest and the seat surface of the chair frame is realized through the backrest angle adjustment assembly 3, wherein 90 degrees<α<135 degrees, the backrest angle adjustment assembly 3 includes Arc support frame 31, triangular plug-in connecting rod 32 and handle 33, arc support frame is made up of two arc tubes, two arc tube tops are fixed on backrest 2 both sides edges, and arc tube bottom inside is provided with several Along the positioning hole 310 of the pipe diameter, the two bottom ends of the triangular plug connecting rod 32 extend to form a positioning pin and cooperate with ...

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PUM

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Abstract

The invention discloses a chair with an adjustable backrest. The chair comprises a chair frame, a backrest and a backrest angle adjusting component, wherein the bottom end of the backrest is hinged on the chair frame; an included angle Alpha between the backrest and a seat surface of the chair frame is adjusted through the backrest angle adjusting component; the backrest angle adjusting component comprises an arc-shaped support frame, a triangular splicing connecting rod and a handle; the arc-shaped support frame comprises two arc-shaped pipes; the top ends of the two arc-shaped pipes are fixed on two side edges of the backrest; a plurality of positioning holes along the pipe diameter are formed on the inner side of the bottom end of each arc-shaped pipe; two bottom ends of the triangular splicing connecting rod are extended to form positioning pins which are matched with the positioning holes to support the backrest; the top end of the triangular splicing connecting rod is connected with the handle; and the handle is extended and fixed on another support leg of the chair frame to form a support. The chair has the function of massaging legs electrically, namely, an eccentric wheel moves intermittently to drive contact terminals to move up and down in an electric manner so as to press the legs.

Description

technical field [0001] The invention discloses a seat with an adjustable backrest, belongs to the technical field of furniture manufacturing according to the International Patent Classification (IPC), and in particular relates to a seat structure with an adjustable backrest. Background technique [0002] Seats on the market generally only have the function of a seat. In a modern society with rapid development, people have higher and higher requirements for the functions of the seat. Whether the angle between the backrest and the seat surface is reasonable has a lot to do with the comfort of the user. . [0003] In addition, the seat has a massage function, especially for office workers who work all day, sitting on the chair can massage the lower legs and relax the leg muscles, which can not only relieve fatigue, but also achieve the purpose of physical and mental health. However, there is no leg massage structure in the seats currently on the market, and the present inventi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47C7/40A47C4/02A47C4/22A61H7/00
Inventor 周梅刘长寿庄振智钟丽娟沈森龚海浪陈俊汉
Owner JIMEI UNIV