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Chair frame with headrest and backrest capable of being synchronously adjusted

A synchronous adjustment and backrest technology, applied in chairs, reclining chairs, home appliances, etc., to achieve the effect of convenient adjustment

Active Publication Date: 2014-08-06
ZHEJIANG CHAIRMENG FURNITURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problem related to the angle adjustment of the headrest drawn thus has no good solution in the prior art

Method used

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  • Chair frame with headrest and backrest capable of being synchronously adjusted

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings.

[0019] This specific embodiment is only an explanation of the present invention, but not a limitation of the present invention. Any modifications made by those skilled in the art after reading the description of the present invention will be protected by the patent law as long as they are within the protection scope of the claims.

[0020] Such as figure 1 As shown, the chair frame in which the headrest and the backrest are adjusted synchronously includes a seat plate 1, a backrest 2, a column 3 for carrying weight, a headrest 4 and an armrest 7. The handrail 7 is fixed on the column 3 . The headrest 4 is hinged to the backrest 2 , and the seat board 1 and the backrest 2 are hinged at their joints.

[0021] Also includes a headrest adjustment assembly, the headrest adjustment assembly includes a first link 51, a second link 52 and an L-shaped member 53, one end of t...

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Abstract

The invention relates to a chair frame with a headrest and a backrest capable of being synchronously adjusted. The chair frame comprises a seat plate, a seat plate fixing assembly, a backrest, a backrest fixing assembly, a vertical column for bearing weight, a headrest and a headrest adjusting assembly, wherein the seat plate fixing assembly and the backrest fixing assembly are directly or indirectly fixed on the vertical column; the headrest is hinged with the backrest; the headrest adjusting assembly comprises a first connecting rod, a second connecting rod and an L-shaped member; one end of the first connecting rod is fixedly connected with the headrest, and the other end of the first connecting rod is movably hinged with the second connecting rod; the second connecting rod is movably hinged with the L-shaped member; the L-shaped member is movably hinged with the backrest fixing assembly. According to the chair frame, the angle adjustment problem of the headrest is solved, the headrest can be adjusted from the backrest, and the adjustment is not only convenient but also highly coordinated with the daily operating habits of people.

Description

technical field [0001] The invention relates to a chair frame, in particular to a chair frame with synchronous adjustment of a headrest and a backrest, and belongs to the technical field of seats. Background technique [0002] Improper adjustment of the seat headrest will affect the comfort when sitting or lying down, and an uncomfortable headrest can easily cause cervical spine problems. In the prior art, there are few studies on the adjustment of the seat headrest, but the research on the adjustment of the backrest is often concentrated. However, in the prior art, the research on headrest adjustment is concentrated in the field of car seats. For example, the Chinese utility model patent whose application number is 201320448463.5 discloses a car seat headrest adjustment mechanism. It includes a front and rear sliding bolster assembly, a front and rear sliding bolster mounting seat assembly, a locking lever assembly, a manual unlocking assembly and a cable unlocking assemb...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47C1/036
Inventor 乔国志严青林
Owner ZHEJIANG CHAIRMENG FURNITURE
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