Sofa backrest connecting device

A technology of connecting device and backrest, which is applied in the field of sofa backrest connecting device, can solve the problems such as the height of the sofa backrest cannot fully meet the requirements of everyone, only sitting on the sofa, and the sofa cannot function.

Inactive Publication Date: 2011-08-17
DONGGUAN GUANHUI HARDWARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since different people have different heights, the height of the sofa backrest cannot fully meet everyone's requirements
In addition, the traditional sofa only plays the role of replacing the chair, and the backrest of the sofa chair is fixed on the sofa, and people can o

Method used

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  • Sofa backrest connecting device
  • Sofa backrest connecting device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] The present invention is a sofa back connecting device, such as figure 1 As shown, it includes a fixed base 1 fixed on the sofa, a connecting rod 2 inserted into the fixed base 1 at one end, and a backrest fastening seat 3 connected to the other end of the connecting rod 2, as figure 2 As shown in the lower part of the middle, the fixed seat 1 includes a sleeve 4 sleeved on the connecting rod 2, a ferrule 5 sleeved on the sleeve 4, and the inner wall of the sleeve 4 has a limiting flange 6, so that The connecting rod 2 has a plurality of limiting slots 7 which cooperate with the limiting flange 6 . After assembly, the connecting rod 2 is inserted into the shaft sleeve 4, the limit flange 6 is inserted into the limit groove 7, and the ferrule 5 is stuck on the outer surface of the shaft sleeve 4, so that the limit flange 6 will not slip from the limit groove. 7, in this way the connecting rod 2 is positioned on the fixed base 1. When it is necessary to adjust the heig...

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PUM

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Abstract

The invention relates to a sofa backrest connecting device which comprises a fixed seat fixed on a sofa, a connecting rod and a backrest fastening seat, wherein one end of the connecting rod is inserted and connected on the fixed seat, and the backrest fastening seat is articulated at the other end of the connecting rod. The sofa backrest connecting device is characterized in that the fixed seat comprises a shaft sleeve sheathed on the connecting rod, and a clamping sleeve sheathed on the shaft sleeve; limit flanges are arranged on the inner wall of the shaft sleeve; the connecting rod is provided with a plurality of limit grooves matched with the limit flanges; a gear disk is arranged at the end of the connecting rod connected with the backrest fastening seat; the backrest fastening seat comprises a fastening piece fixed on a backrest, and a pawl and a clamp spring which are articulated on the fastening piece; and the pawl is matched with the gear disc. The sofa backrest connecting device can be used for simultaneously adjusting the height and the angle of the sofa backrest by a simpler mechanical structure so as to meet multiple using demands and achieving the effect of serving multiple purposes by one article.

Description

technical field [0001] The invention belongs to the field of furniture, in particular to a sofa backrest connection device. Background technique [0002] As a kind of furniture, sofa plays a very important role in people's life. Whether it is to beautify the home environment or provide people with a comfortable rest environment, it is an indispensable piece of furniture. In home life, no matter people are entertaining or resting at home, they all like to use the soft and comfortable furniture such as sofa. Since different people have different heights, the height of the sofa backrest cannot fully meet the requirements of all people. In addition, the traditional sofa only plays the role of replacing the chair, and the backrest of the sofa chair is fixed on the sofa, and people can only sit and lean on the sofa when using it. If people want to lie down and have a rest, the sofa just cannot play a role , in the modern fast-paced life, people need one thing for multiple purpos...

Claims

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Application Information

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IPC IPC(8): A47C17/16A47C20/04F16B12/00
Inventor 胡浩伟
Owner DONGGUAN GUANHUI HARDWARE
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