"Sofa" is a foreign word and transliterate according to the English word sofa.For a multi -seat chair with a cushion.Back chairs equipped with spring or thick foam plastic, with armrests on both sides, are a type of soft furniture.The origin of the sofa dates back to ancient Egypt around 2000 BC, but the real soft sofa appeared from the end of the 16th century to the beginning of the 17th century.
What are the sofa classification
Classified by function
The sofa can be divided into function sofas, fixed back sofas, Wuji self -controlled sofas, pneumatic sofas (ie: manual sofa), electric sofa and TV sofa.
The sofa is already necessary for many families.The sofas sold in the market generally have three types: low -back sofa, high -back sofa, and ordinary sofas between the two.The following three characteristics are introduced for consumers to choose to buy.
Low -back sofa: a lounge light chair.It supports the users waist (lumbar spine) with a support point with a low back height of the back of the user, which is generally about 370 mm from the seat. The angle of the back is also small.Reduce.This sofa is more convenient and lightweight, covering a small area.
High -back sofa: also known as aviation seats.It is characterized by three fulcrum, which makes peoples waist, shoulders, and back brains leaning against the back of the surface at the same time.These three support points do not constitute a straight line in the space, so the technical requirements for making this sofa are high, and it is difficult to choose when buying.The wooden rack made of high -back sofa must be clearly made on the shelf. The turning point of the three points must be made. Otherwise, it is difficult to ensure the position of the support point when the sofa mask is made, bringing discomfort to the user.When buying a high -back sofa, pay attention to whether the composition of the three support points on the back is reasonable and proper, and you can judge it by the trial seat.The high -back sofa evolved from a lounge chair.In order to improve the rest performance, it can also be used as an foot stool. Before the sofa is placed, its height can be the same as the front height of the sofa surface.
Ordinary sofa: It is a common type of family sofa.Most of these sofas are sold in the market.It has two support points to support the users lumbar spine and thoracic spine, which can achieve the effect of combining the curved surface with the back of the body.The angle of such sofa back and the seat surface is critical. Excessive angle or too small will cause the users abdominal muscles to be strong and fatigue.Similarly, the width of the sofa seat should not be too large, usually within 540 mm according to the standard requirements, so that the users calf can adjust the sitting position at will, and the rest is more comfortable.
Classified by materials
There are four main categories: leather sofas, fabric sofas (actually fabric sofas), Qu Mu sofa, and vine sofa.
Classified by style
Can be divided into American sofa, Japanese sofa, Chinese sofa, European -style sofa, modern sofa.
Classified by the place used
It can be divided into hotel sofa, KTV sofa, civil sofa, restaurant sofa, office sofa, home sofa, rest club sofa.The occasions used are different, and the sofas used are also unique.
How to maintain the sofa
① The sofa is placed on a flat ground. It is best to put the cushion at the bottom of the four corners to prevent damage to the floor when moving.
② Wipe the dust and dirt on the sofa surface with a clean soft cloth before use.In this way, a protective film is formed on the surface of the cowhide (leather), so that the dirt in the future is not easy to penetrate the leather pores and facilitate cleaning in the future.
③ Avoid jumping on the seat surface of the sofa, so as not to deform after local pressure and affect use.
④ Avoid contact with sharp horns or tools to prevent scratching fabrics.
⑤ Avoid the sunshine that causes the sofa for a long time to cause the leather fabric deformation and lose elasticity. If there is often sunlight, a few sofa interoperability should be adjusted to prevent the color difference from the difference;
⑥ Avoid rainy or excessive humidity, causing expansion and relaxation of the leather surface to lose elasticity or cause leather fading, pan -color or moldy.If you encounter a large humidity, you can use the weak sun from 8 am to 10 oclock in the morning for 7 days, 1 hour a day, about 3 months every 3 months.
⑦ Daily maintenance: Use clean soft cloth to regularly clean the fabric sinking or stains.The gap between the back, the handrail and the surface of the seat can be cleaned with a vacuum cleaner.The use of wet cloth, hard object or acid, alkaline and other chemicals to contact fabrics, so as not to affect the surface quality and use cycle.
⑧ Regular maintenance: Pores are distributed on the surface of the leather, which are divided into dry and wet seasons like human skin maintenance.Clean oil once every two months of drying season, and can be maintained once every 3-4 months.

Related tags： Houseware