How big is the size of single sofa? A detailed explanation of the size of different types of single sofa
1、 Size and characteristics of ordinary single sofa
This kind of sofa is a common one in family sofa. This kind of sofa is mostly sold in the market. It has two supporting points to support the user's lumbar and thoracic vertebrae, which can achieve the effect of matching the curved surface with the back of the body. The angle between the backrest and the seat surface of this kind of sofa is very important. If the angle is too large or too small, the abdominal muscles of the user will be strong, resulting in fatigue. Similarly, the width of the sofa seat surface of this kind of ordinary single sofa should not be too large, usually within 540mm according to the standard requirements, so that the user's calves can adjust the sitting posture at will, and rest more comfortably.
2、 The size and characteristics of low back single sofa
The low back single person sofa belongs to the rest type light chair. It supports the user's waist (lumbar spine) with a support point. The height of the sofa back is relatively low. Generally, the size of the single sofa is about 370mm away from the seat surface, and the angle of the back is also small, which is not only conducive to rest, but also reduces the overall size of the sofa. This kind of low back single sofa is convenient, light and small in area.
3、 Size and characteristics of high back single sofa
High back single sofa is also called aviation seat. It is characterized by three fulcrums, which make the waist, shoulder and back brain lean on the curved backrest at the same time. These three support points do not form a straight line in space, so the technical requirements for making this kind of sofa are higher, and it is more difficult to select when buying the size of this kind of single sofa. When choosing the size of this kind of high back single sofa, we should pay attention to whether the composition of the three supporting points on the back is reasonable and appropriate, which can be determined by the test seat.
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