家具标准高度(国外英文资料).docVIP

家具标准高度(国外英文资料) High table and dining is not complete, it is uncomfortable; the desk chair is too high, too low, pose will make people rest, shorten the distance in the course of time, easy to cause deformation and curvature of the spine in myopic eyes. To this end, the daily use of furniture must be in line with standards. As for the height of desks and chairs, the state has established standards. The table type furniture height standard can have 700mm, 720mm, 740mm, 760mm four specifications; the seat chair stool furniture height can be 400mm, 420mm, 440mm three specifications. In addition, it also specifies the standard size of table and chair matching, and the height difference between tables and chairs should be controlled within 280 to 320mm range. The correct height of the table and chair should allow the person to sit in two basic vertical positions: first, when the feet are flat on the ground, the thighs and calves can be basically vertical. At this time, the front of the seat can not oppress the lower level of the thigh. Two is when the arms are naturally drooping, the upper arm and the arm are basically vertical, and then the height of the table should be just below the lower arm level plane contact. This allows the person to maintain the correct sitting posture and writing posture. If the table and chair height collocation is not reasonable, will directly affect peoples sitting posture, is not conducive to the health of users. Therefore, it also regulates the desk under the table space is not less than 580mm, the space width not less than 520mm, this is to ensure that people in the use of his legs can have enough space. As for the size of the sofa, the national standard provides that the width of a single sofa seat should not be less than 480mm, smaller than this size, even if people can barely sit in, it will feel narrow. Seat depth should be in the range of 480 to 600mm, the calf can not be too deep natural droop, calf will be oppressed; too shallow, i