High quality High-end ergonomic lunch break school desks and chairs set

There is a self-positioning lumbar support under the backrest, which provides ultimate support and fixed waist protection function, fully considering humanization and practicality.

 There is an armrest on each side of the lower backrest, which can be rotated forward and backward to adjust the angle freely. The upper surface of the armrest is equipped with raised massage points. The product appearance specifications of the armrest are: length 184.9*width 117.04*height 207.96,

 The specifications of the hand guard support are: length 184.9*width 73.98,

 Tripod column: adopts cold-rolled steel pipe upper and lower casing structure, the upper frame is an elliptical tube with a length of 50* and a width of 25mm: the lower frame is an elliptical steel tube with a length of 60* and a width of 30mm, and the thickness of the pipe is 1.5mm. After sand blasting and other processes, the exposed parts are rounded for safety. The iron parts are treated with anti-rust treatment, the surface is sprayed with electrostatic powder, and baked into shape at high temperature without any odor. The hardware bracket is painted porcelain white.

 The classroom chair has a lifting function and is equipped with a hand-operated lifter. ◇ The adjustable height range of the chair surface from the ground is: 360-440mm (the size allows ±5mm deviation) (responses inconsistent with this range are regarded as negative-biased lunch break classroom chairs;

 Lifter: Made of customized metal material, it can be used repeatedly.

 Foot covers: made of environmentally friendly PP material, wear-resistant and scratch-resistant, and will not damage the floor. The rubber sleeve is light gray and has a locking function to prevent the rubber sleeve from falling off and the iron pipe from injuring people.

 Sole tube: adopts thickened 50mm long * 25mm wide * 1.5 oval tube design.

 Safety lock: Made of 5T iron plate stamped and integrated.

 Leg support steel frame: using 40mm*20mm*1.5mm oval tube, tube thickness 1.5mm.

 The legrest specifications are 240mm long * 165mm wide (the size is subject to ±5mm deviation). There are ventilation holes and massage points arranged in a figure of eight, making the lunch chair safer and more comfortable to use.

 Backrest function: The backrest of the classroom chair can be freely adjusted between 90-135 degrees, and the chair elevation control can be set to no less than 3 levels to ensure that students can freely adjust it. Curved backrest design reduces spine and waist compression. The operation is simple and convenient, and reverse adjustment can quickly return to the original state.

 Waist support function: Humanized independent elastic lumbar support design, elastic expansion range 20mm±5mm, independent elastic lumbar support can also be flipped up and down, the flip angle is ≥30 degrees, the user can automatically adjust to the best resting position when resting, that is, protection The spine and lumbar vertebrae are relaxed, and the body can quickly enter a dormant state.

 The length of desks and chairs when lying flat shall not be less than 1400mm.

 Class chair headrest; made of environmentally friendly PP raw materials, melted at high temperature and then injection molded in one go. Headrest specifications: 260mm*220mm. The surface has non-slip sun-patterned figure-eight-shaped ventilation holes and raised massage points. The headrest color is light gray. The headrest can be stored with a stowage stroke of 110mm (dimensions allow for ±5mm deviation). When the backrest is folded down, it can support the head and neck, and when folded, it can support the back to correct the sitting posture.

The main components of the classroom chair are metal brackets and plastic parts: headrest, back panel, lumbar support, seat panel, and leg rest.