Detailed explanation of the size standard and row spacing standard for students lifting desks and chairs
There are various types of student lift desks and chairs on the market, with different prices, quality, and sizes. When we choose, we put aside other things. The most important thing is to choose the right size. So how should we choose the size? The following table and chair manufacturers of lifting desks and chairs will introduce the size standards and row spacing standards of student lifting desks and chairs for your reference.
The size standard of lifting desks and chairs
1. Desktop: desktop length is 600mm, desktop width is 400mm, desktop thickness is 16mm, multi-layer board injection molding edge sealing without joints, edge sealing and integrated pen slot, green and odorless, meet the requirements of relevant standards, desktop It is directly fixed with the table frame with blind rivets, and is padded with aluminum gaskets to prevent pulling through.
2. Table bucket: The length is 500mm, the width is 320mm, the height is 150mm, and the thickness is 0.8mm. The cold-rolled plate is stamped and formed at one time.
3. Table legs: The length of the iron plate of the column is 650mmX width 12mm, the thickness is 1.5mm, the foot is 50mmX25mm, and the thickness is 1.2mm.
4. Connection: The beam is connected with a φ38 round tube with a wall thickness of 1.3mm.
5. Foot set: It is made of PP engineering plastics and is formed by blister. The size is 60mm X 50mm, and the landing is 10mm. The feet are fixed by aluminum rivets, which are stable on the ground, prevent falling off, and are sturdy and durable.
The size standard of lifting desks and chairs
1. The total height of the chair is 780mm, and the height from the chair surface to the ground is 450mm.
2. The size of the chair surface is 380mmX 370mm, the thickness is 12mm, and the multi-layer board is injection-sealed without joints, and the backrest size is 370mmX 190mm, the thickness is 12mm, and the multi-layer board is injection-sealed without joints. It requires green and no peculiar smell, and meets the requirements of relevant standards. The front edge of the chair has a downward curve, and the backrest has a horizontally curved fox.
3. The length of the iron plate of the chair column is 360mmX 12mm, the thickness is 1.5mm, the foot is 50mm X 25mm square steel, the thickness is 1.2mm, the backrest is 20mm X20mm, the square tube thickness is 1.2mm, and the CNC pipe bending equipment is formed at one time.
4. Crossbeam: The chair is connected by a φ38 round tube, the wall thickness of the tube is 1.3mm, the corners are made of PP engineering plastics, and the size is 60mm X 50mm, the floor is 10mm, and the feet are made of aluminum rivets. Fixed, stable landing, preventing falling off, sturdy and durable.
The standard for the row spacing of lifting desks and chairs
1. The row spacing of lifting desks and chairs in primary schools should not be less than 850mm, middle schools should not be less than 900mm, and the width of the longitudinal aisle should not be less than 550mm. The net distance between the end of the desk and the wall or the inner wall column protruding from the wall and the equipment pipe should not be less than 120mm.
2. The horizontal viewing angle formed by the students on both sides of the front row and the far end of the blackboard should not be less than 30°.
3. The horizontal distance between the front edge of a row of desks in the classroom and the blackboard should not be less than 2000mm, and the horizontal distance between the back edge of the classroom desk and the blackboard: primary school should not be greater than 8000mm, middle school should not be greater than 8500mm. A horizontal walkway no less than 600mm should be arranged at the rear of the classroom.
The above is a detailed explanation of the size standards and row spacing standards for students’ lifting desks and chairs. The size standards and row spacing standards for lifting desks and chairs are all to increase the comfort of students and improve learning efficiency.
