An air cushion back protector with automatic fitting adjustment

Abstract

The utility model relates to a schoolbag technical field especially relates to an automatic fit adjusting air cushion spine protection schoolbag, including schoolbag main part and shoulder strap, the shoulder strap is sewn in the back surface of schoolbag main part, the middle longitudinal of back surface is provided with the spine protection pad, the spine protection pad includes continuous upper spine protection part and lower spine protection part, the upper spine protection part is flat structure, and its surface equal interval is provided with a plurality of first convex strips, the lower spine protection part is an arc structure, and its surface equal interval is provided with a plurality of second convex strips, the spine protection pad from outside to inside is sequentially provided with outer layer, upper layer, lower layer, wherein, the hardness of upper layer material is less than the hardness of lower layer material, the utility model improves the fit protection effect and use comfort degree of schoolbag to spine.

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