Dimensions of desks and chairs for students. Standard dimensions

Student table and chair size standard size picture

The standard size chart of student desks and chairs, there are many styles of desks and chairs sold in the market now, and the sizes used by students of every age group will be somewhat different, which can be divided into desks for adults and desks for children. The following is an analysis of the standard size pictures of student desks and chairs.

Standard size picture of student desks and chairs 1 1. Standard size of primary and secondary school desks and chairs

1, the size of desks in primary and secondary schools

① The desks of primary and middle school students are divided into 0-10, 1 1 sizes and models, which are determined according to the parameters such as desktop height, desktop depth and desktop width, in which the desktop depth and clearance depth are unified as 400mm, and the desktop width is unified as 600 mm. ..

(2) The height of the desktop is reduced by 30mm every other number from 0 to 10, in which table 0 is 790mm and table 10 is 490mm.

2, primary and secondary school seat size

Chairs for primary and middle school students are also divided into three types: 0- 10, 1 1, which are divided according to the seat width, the height from the upper edge of the backrest to the seat surface, the height from the backrest point to the seat surface, the effective depth of the seat surface and the width of the seat surface.

① seat width: 0- 10 is reduced by 20mm, 0 is 460mm, and 0 is 460 mm. 10 is 270 mm.

② The height from the upper edge of backrest to the seat surface: decrease 10mm, decrease by 350mm for No.0 and decrease by 230mm for No.0.. 10.

(3) The height of the backrest from the seat surface: No.0-2 is 220mm, No.3-4 is 2 10mm, No.5-6 is 200mm, No.7 is 190mm, No.8 is 180mm, No.9 is170 mm.

④ Effective depth of seating surface: No.0 is 400 mm, 1-3 is 380 mm, No.4-6 is 340 mm, No.7-9 is 290 mm, and No.0/kloc is 260 mm. ..

⑤ Seat width: No.0 is not less than 380mm, 1-3 is not less than 360mm,No. 4-6 is not less than 320mm,No. 7-8 is not less than 280mm. 9- 10 should be no less than 270 mm.

Second, the standard size of college students' desks and chairs

University students' desks and chairs belong to university desks and chairs, which are divided into fixed and non-fixed types:

1, fix the size of desks and chairs for college students.

① Desktop height: 73010mm

② Desktop depth: 350 mm

③ Desktop width of each seat: 600 mm.

④ Clearance height under the table: not less than 620mm.

⑤ Clearance depth under the countertop: not less than 300mm.

⑥ Seat height: 41010 mm.

⑦ Effective depth of seat surface: 360 mm

⑧ Height from the upper edge of backrest to the seat surface: not less than 340mm.

Pet-name ruby backrest point height from the seat surface: 210 mm.

Attending the horizontal distance between the table edge and the backrest point of the seated person: 420mm.

Length of each desk and chair: 8 10-850mm.

2. Non-fixed size of desks and chairs for college students

① Desktop height: 73010mm.

② Desktop depth and clearance under the table: 400 mm

③ Desktop width: 600 mm.

④ Clearance width under the bed: not less than 440mm.

⑤ Seat height: 41010 mm.

⑥ Height from upper edge of backrest to seat surface: 340 mm.

⑦ Height from backrest to seat surface: 2 10 mm.

⑧ Effective depth of seat surface: 380mm.

Pet-name ruby seat width: not less than 360mm.

Standard size of student desks and chairs The first point in Figure 2 is the comfort of desks and chairs, such as a schoolbag on a chair or a study under your feet. Generally, the height of desk drawers is about 10cm. If the thickness of students' schoolbags reaches 15-20cm, students' physical activities will be restricted.

The second point is whether the size of desks and chairs is consistent with the size of students. The clearance height under the desk and chair is not enough, the feet can't get in, the spine is bent, the height of the desk and chair is too high, the distance between the eyes and the book is shortened, and the shoulders are lifted, which is not conducive to the physical development of students.

The height of the students is below 1. 19m, the height of the desk is 52cm, the height of the empty area under the desk is 40cm and the height of the chair surface is 29cm. The height of the students is between 1.43- 1.75 m, the height of the desk used is 67cm, the height of the empty area under the desk is 55cm, and the height of the chair surface is 38cm. According to the relevant regulations, tables and chairs used in primary and secondary schools are optional, but the standard size of tables and chairs used by primary school students, such as the height of tables and the space under the tables and chairs, must meet the national standards.

If the standard size of primary school students' desks and chairs is not standardized, not only students are uncomfortable to sit up, but also the writing posture is incorrect. The eye distance of modeling children is too close, and students' eyesight will also decline, leading to myopia. At the same time, long-term bad sitting posture leads to waist and neck damage, which will affect health in severe cases.

Student table and chair size standard size picture 3 According to the standard, the height of the table has ten specifications from NO. 1 tono. 10, from 760 mm to 490 mm, with a height difference of 30mm and a desktop width of 600 mm.

High school students: No.65438 +0, No.2, No.3, No.4, one or two, no more than three.

Junior high school students: No.2, No.3, No.4, No.5 and No.6 at least two models (at least three models in four-year system).

Pupils: No.4, No.5, No.6, No.7, No.8, No.9, 10 at least.

There are many domestic manufacturers of student desks and chairs and student apartment beds, which are formal. School furniture manufacturers can reach the specified standard size and can completely exceed the national standard size. Conditional schools will basically choose lifting tables and chairs, and the height can be adjusted freely.

When choosing desks and chairs, schools should try to choose powerful manufacturers. First of all, consider the quality, and then consider the price. After all, health is the capital of revolution.