How high is the sofa in general?

<> is generally around 42cm. The height of the sofa back is generally: 490mm-550mm The low back provides lumbar support, and the height is not higher than the lower corner of the shoulder blade in the sitting position to ensure that the upper limbs and arms can be moved flexibly

310mm-350mm。The middle backrest provides support for the waist and back, and the height is not higher than the cervical vertebrae to ensure that the head can be flexibly rotated; The height of the sofa back is generally: 400mm-450mm, and the height of the low back sofa is high.

In addition, the height of the center point of the three support areas of the waist, back, neck and head on the backrest is about 150mm-180mm, 380mm-420mm, and 450mm-480mm respectively.

In addition, the seat width of the single sofa should not be less than 48 cm, and the seat depth should be between 48 and 60 cm. The seat height of a two- or three-seater sofa is the same as that of a single-seater, and the seat width varies accordingly. Generally, the spacing between the seats of each person on the three-seater sofa should be 45-48 cm, and the spacing between the seats of the two-seater sofa can be larger, 50 cm, depending on the user's body type.

and brigades.

1. Generally speaking, the height of the sofa seat should be equal to the height of the person's calf plus the heel of the shoe or slightly lower, so that the sofa will not feel tired when sitting on it, and the height is about 35 to 42 cm. If the cushion is too high, people will not touch the ground with their feet when they sit on it, and they will be in a suspended state, and the weight of Tongsheng's human body will be pressed on the legs, which can easily lead to leg numbness or soreness.

2. Generally speaking, the height of the sofa back is generally between the shoulders and ears of adults, and the height of the sofa back is about 68 to 72 cm if it is calculated from the ground. It is understood that some people now like to use a high sofa backrest, but this practice is not too scientific, people's shoulders on the backrest, waist, back and sofa backrest there is a certain distance, sitting for a long time, full of back pain, and easy to produce fatigue.

Third, on the height of the sofa back, scientific studies have shown that the ground back sofa has obvious advantages, the comfortable sofa is the person after sitting on it, the natural back, the back, head, shoulders to almost all contact with the sofa back, the larger the contact area, the stronger the comfort of the body, the more natural the sitting posture, usually the angle between the cushion and the sofa back is not a vertical 90 degrees, but only between 100 degrees and 108 degrees.

Generally, the seat height of the single sofa should be kept at about 42 cm, and the seat height of the sofa should be consistent with the height of the bent knees to make people feel comfortable. The seat height of large sofas in Europe and the United States will be between 40-45, which is basically good. The seat height of a two- or three-seater sofa is the same as that of a work-seat sofa.

Generally speaking, the seat height of the sofa should match the height of the knees to be comfortable; Generally, the seat height of the single sofa should be kept at about 42 cm (this height includes the scale of the seat after the pressure of the weight is added).

The height of the sofa backrest is generally: 490mm-550mm, the low backrest provides lumbar support, and the height is not higher than the lower corner of the shoulder blade in the sitting position, so as to ensure that the upper limbs and arms can move flexibly, and the height of the sofa backrest is generally: 310mm-350mm.

The middle backrest provides support for the lumbar and back, and the height is not higher than the cervical vertebrae point to ensure that the head can be rotated flexibly; The height of the sofa back is generally: 400mm-450mm, and the height of the low back sofa is high. In addition, the height of the center points of the three support areas of the waist, back, neck and head on the backrest is about 150mm-180mm, 380mm-420mm, and 450mm-480mm, respectively.