a folding sofa

Abstract

The invention discloses a foldable sofa. The foldable sofa comprises a back plate, side plates, a seat frame, a backrest frame, hinges and support wheels, wherein both sides of the seat frame are fixedly connected with slide rods through two first brackets; the inner side of each side plate is connected with a fixed seat; the fixed seat is sheathed on the corresponding slide rod, and comprises a first sleeve ring, a second sleeve ring and a circular truncated cone-shaped part; the inner side of the first sleeve ring is connected with a plurality of third brackets which are arranged in a circleway; the inner side of each third bracket is connected with a second rotary wheel through a shaft; the inner side of each second rotary wheel is in contact with the corresponding slide rod; the innerside of the second sleeve ring is connected with a plurality of second brackets which are arranged in a circle way; the inner side of each second bracket is connected with a first rotary shaft through a shaft; the number of first rotary wheels is the same with the number of second rotary wheels; elastic ropes are wound on the adjacent first rotary wheel and second rotary wheel; the outer side ofeach first rotary wheel is uniformly connected with brush bristles; the brush bristles are in contact with the corresponding slide rod. The foldable sofa has the advantages that the defects of the prior art are overcome, and the movement parts can reach better dustproof effect.

Description

technical field [0001] The invention relates to a sofa device, in particular to a folding sofa. Background technique [0002] The layout of modern living room advocates simplicity, and multi-functional furniture is increasingly becoming the choice of the public, and sofa bed is one of them. In a small-sized living room, in order to meet the living needs of occasional visitors, a sofa bed is necessary. Under normal circumstances, the sofa bed can be placed in the living room or study room to act as a seat; when the guests come at night, unfold the sofa bed and spread the quilt to form a bed. Chinese utility model patent CN 207519913 U discloses a folding sofa bed. The folding sofa bed of this structure can realize the sofa folding into a bed, but in reality, the sofa folding action is not a daily action, so on its moving parts, it is easy to accumulate dust and cause poor movement, which affects the function of the sofa. Folding effect, which limits its scope of applicatio...

AI Technical Summary

Problems solved by technology

The folding sofa bed of this structure can realize the sofa folding into a bed, but in reality, the sofa folding action is not a daily action, so on its moving parts, it is easy to accumulate dust and cause poor movement, which affects the function of the sofa. Folding effect, which limits its applicability

Images