Device for adjusting spinal health in school bags

Abstract

A device for adjusting the spinal health of school bags, characterized by: a top cover (1), an on / off button (2), a sliding plate (3), a positioning guide plate, and a base (5). The positioning guide plate has a toothed through-slot (6) along its longitudinal extent. The sliding plate (3) is slidably inserted above the positioning guide plate, and the base (5) is positioned below the positioning guide plate. Symmetrically arranged positioning connection blocks (7) are arranged on the top of the base (5), the positioning connection blocks (7) projecting through the toothed through-slot (6) and being positioned within the sliding plate (3). The switch button (2) is arranged successively from top to bottom over the sliding plate (3), the positioning guide plate, and the base (5).The upper cover (1) is fitted over the top of the switch knob (2), and the upper cover (1) is connected to the positioning connection blocks (7) via screws.