The quality of students' desks and chairs is related to students' health and development, so we must pay attention to their materials and sizes when purchasing. There are many testing standards for school desks and chairs, such as locking device or limit device of lifting adjustment mechanism, undamaged parts, buffer or shock absorption device of flap device, etc. You can refer to these testing standards and relevant national standards when purchasing. The desks and chairs in our country have a set of national standards and a set of industry standards. Let's take a look at them together. 1. What is the testing standard for school desks and chairs?

The desks and chairs in the school are used by students, who are young and active and in a high-speed period of growth and development. Therefore, school facilities and equipment managers should pay special attention to whether the desks and chairs used by students are healthy, hygienic, environmentally friendly and safe. What are the safety items of student desks and chairs? What testing standards should students' desks and chairs meet? The following are some basic items for testing tables and chairs, which must be all qualified before use:

1. The lifting adjustment mechanism shall be equipped with locking device or limit device, and shall be flexible, reliable and safe.

2. The relative movement gap between the mechanical part and the human contact part should be more than or equal to ≥25mm.

3, flap device should be equipped with buffer or shock absorption device.

4. All parts should be intact.

5, contact with the human body, such as the seat surface, back and armrest edge radius should be not less than 2 mm. ..

6. Students should not touch some parts that may cause injury unless special disassembly tools are used.

7. Unless special disassembly tools are used, tables and chairs shall not be disassembled at will.

8, the use of lubricating oil parts should be properly covered.

9, metal parts should be unprovoked unsealed pipe fittings, the cover should not fall off easily.

10. The diameter of all exposed holes shall be ≤ 5mm or ≥ 25mm.

1 1. There should be no sharp objects such as burrs, sharp edges, nails, etc. in contact with human body and where articles are stored.

To sum up, purchasing personnel must carefully check the relevant standards according to the inspection report to avoid buying unqualified and inferior products and affecting students' use.

Second, what is the implementation standard of student desks and chairs?

In China, there are two sets of related standards about the total number of desks and chairs for school students:

1, national standard

The standard name is "Functional Dimensions and Technical Requirements for School Desks and Chairs" (GB/T3976-20 14), which was put forward by People's Republic of China (PRC) and China's National Health and Family Planning Commission, and stipulated various models, standard sizes, corresponding heights and height ranges of desks and chairs for primary and secondary school students, preschool children and institutions of higher learning.

2. Industry standards

The standard name is "Tables and Chairs" (QB/T407 1-20 10), which was proposed by China National Light Industry Federation and centralized by National Furniture Standardization Center. This standard stipulates the types, sizes, materials, safety performance, physical and chemical properties and the limit of harmful substances of general desks and chairs for teaching in universities, primary schools and other educational institutions and training institutions.

National standards and industry standards have made detailed provisions on desks and chairs, and desks and chairs that do not meet the relevant standards are not allowed to be sold and used.