Seat freely-increased/decreased sofa

A technology for sofas and seats, which is applied in the field of sofas where seats can be freely increased or decreased. It can solve the problems of short service life of springs in seat cushions, inability to freely increase or decrease seats, and difficult disassembly and assembly of sofas, etc., and achieves the effect of convenient disassembly and assembly and increased elasticity

Inactive Publication Date: 2010-08-18
SHANGHAI AVARTE FURNITURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a sofa that can freely increase or decrease the seat. The sofa that can freely increase or decrease the seat should solve the problem that the sofa is not easy to disassemble, the seat cannot be freely increased or decreased, and the service life of the spring in the cushion is solved. short technical question

Method used

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  • Seat freely-increased/decreased sofa
  • Seat freely-increased/decreased sofa

Examples

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Embodiment 1

[0011] Such as figure 1 As shown, the present invention provides a sofa that can freely increase or decrease seats, and is composed of a chassis, an armrest bag 1, a seat bag 2 and a backpack 3, and the armrest bag 1, the seat bag 2 and the backpack 3 are compatible with the described The bottom frames are connected, wherein, the bottom frame is a square bottom frame composed of four steel pipes, and the front and rear ends of the two left and right steel pipes are welded upwards and provided with right-angle connectors, and the right-angle connectors are connected by screws. Connected with the backboard 4 and the armrest board 5, the front and rear ends of the two left and right steel pipes are downwardly provided with sofa legs that can freely increase or decrease the seat, and the front and rear ends of the left and right two steel pipes are connected with short legs in the horizontal plane. Steel pipe, the inner diameter of the short steel pipe is the same as the outer dia...

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PUM

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Abstract

The invention discloses a seat freely-increased / decreased sofa, which consists of an under frame, arm cushions, a seat cushion and a backrest cushion, wherein the arm cushions, the seat cushion and the backrest cushion are connected with the under frame; the front and rear ends of a left steel tube and a right steel tube of the under frame are upwards welded with right-angled connecting parts which are connected with a backboard and arm boards through bolts, are downwards provided with sofa legs capable of automatically increasing and decreasing the seats, and are connected with short steel tubes in a horizontal plane; the short steel tubes are sleeved outside a front steel tube and a rear steel tube; a plurality of small holes are reserved at corresponding positions on the left, right, front and rear steel tubes; elastic webbings are arranged between the opposite steel tubes; and the upper end of each arm cushion is provided with a turned-over edge which covers the upper end of the corresponding arm board. In the seat freely-increased / decreased sofa of the invention, the left and right steel tubes of the under frame can be provided with the short steel tubes which are sleeved and connected with the front and rear steel tubes of the under frame, which is convenient for mounting and dismounting, and the seat freely-increased / decreased sofa with double seats or a plurality of seats can be formed by adding one arm on one side; and simultaneously, the elastic webbings are arranged between the opposite steel tubes of the under frame, which prolongs the service life of the seat freely-increased / decreased sofa at the same time of ensuring the elasticity of a base of the seat freely-increased / decreased sofa.

Description

Technical field: [0001] The invention relates to articles for human life, in particular to furniture, in particular to a sofa with freely increasing or decreasing seats. Background technique: [0002] In the prior art, the sofa has a bulky structure, which is troublesome to disassemble and assemble. Some sofas cannot even be disassembled and cleaned. Moreover, the number of seats of the sofa is fixed, a single seat is a single seat, and a double seat is a double seat, which cannot be changed according to needs; the softness of the sofa is realized by setting springs in the seat cushions, and the springs are deformed after heavy pressure and are easily damaged , short life. Invention content: [0003] The purpose of the present invention is to provide a sofa that can freely increase or decrease the seat. The sofa that can freely increase or decrease the seat should solve the problem that the sofa is not easy to disassemble, the seat cannot be freely increased or decreased,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47C17/04
Inventor 王五一
Owner SHANGHAI AVARTE FURNITURE
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