How to read the sofa

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Sofa is a Chinese character, pronounced tà, which originally means a long, narrow and short bed-shaped chair, and also refers to bed in general. This passage is recorded in Biography of the Old Man and Biography of Tan Sitong.

Beds are generally used in bedrooms, dormitories, wards, hotels and other places, and are essential supplies to meet human daily sleep. Some have regular bed warming, weight record monitoring, bed sheet fixation, sleep monitoring and so on. Their designs tend to be intelligent. In the past, wood was usually used as a material, which was both strong and practical.

Now stainless steel and metal can also be used as main materials, which can effectively increase the service performance and life of the bed. It is generally composed of dozens of parts.

The standard parts are bed head, bedstead, bed tail, bed legs, bed board, mattress, electric push rod, chip, fender, casters, dining table and equipment storage tray, which are stamped, assembled, welded, riveted, derusted and plastic sprayed. It is flame-retardant, rat-proof, moth-proof, durable, practical, simple, beautiful, easy to clean, convenient to move, intelligent and safe.

People spend one third of their time in bed. After thousands of years of continuous evolution and improved design, in addition to meeting the sleeping needs of ordinary people, it can also be equipped with matching mattresses, weight monitors, air cushions, medical rehabilitation equipment, invisible hooks for urine bags and so on.

Other functions such as dining, electric back lifting, turning over regularly, walking, standing, negative pressure urine collection, sitting and lying down, heating and cooling can be added, which can meet the sleep needs of ordinary people.

It can also meet the needs of children, critically ill patients, the disabled, the elderly, hospital patients, family medical rehabilitation, study and life, office emergency and so on. The styles of beds are Western-style box beds, Chinese traditional frame beds and simple frame beds.

According to the material, it is divided into iron bed, wooden bed, stainless steel bed, cloth bed and leather bed. According to the form, it is divided into flat bed, single bed, bunk bed, electric bed, double bed, joint rehabilitation nursing bed,

Electric back-lift bed, intelligent turn-over nursing bed, disabled bed, four-poster bed, children's bed, sickbed, therapeutic bed, folding bed, weight monitoring nursing bed, massage bed, electric standing bed, air cushion bed, day bed, etc.