- Sep 30, 2017 -
1. firm frame
The folding sofa frame is generally hard wood or metal stents in the selection can be sofa around forced repeatedly shake, strong feelings framework, and based on the consent salesperson agreed to under the open seat bottom cloth a closer look, no rot, no insects, no scar, no bark hardwood or wood wool smooth production, and material and material connection is not a nail, but with a notch or export each bite, and then glue, so it is a good folding sofa.
2. suitable size
Folding sofa should sit and lie, so the size must be appropriate, generally the seat height is 35-42 cm, 48-55 cm in depth of the seat, the backrest tilt best between 100-108 degrees, the height of the armrest between 62-65 cm, this is consistent with the principle of artificial, it is not conducive to human muscle relax. It is easy to cause the body aches with long time.
Most of the folding sofa in the sofa bed for "change", the need to open the folding bayonet or pulled out chute, some sofa bed bottom is also equipped with a pulley, easy to master easily transfer position, so the activities of the "joint" is the key part of the sofa bed. Ji'nan family, said the purchase should be hand sofa bed push, pull or open and close many times, feel at different angles when changing are very smooth, not stuck to meet the requirements.
4. see sponge and elasticity
High grade foam foam sponge should be used at the top of the sofa, cushion and back pad at 30 and 25 kg / cubic meters respectively. In order to improve the sitting comfort, some still do a soft foam to ensure the treatment does not reduce the density of the premise, to set up some vertical spring in the cushion, the sofa has higher flexibility and anti aging properties. Under normal circumstances, the human body after sitting, sofa cushion to sag, about 10 cm for the best.
5. quality fabrics
In the purchase of folding sofa, leather to burnish, no scar, texture, texture delicate, live a upwards tug pinch with the finger tips, should handle flexible strong, after the nap can sit wrinkles disappear or not obvious, such fine leather leather; selection of fabric folding sofa, to carefully observe the fabric is fine and smooth, no jump wire, and choose to wear thick, detachable type sofa bed bed, convenient cleaning, or replacement of the bed in the room after the increase of change.