Elevator-type storage rack with recessed square tubes

Abstract

The invention relates to a lifting-type storage rack with a concave square tube. This lifting-type storage rack has a concave square tube comprising several pile components, several assembly fixtures, and several storage trays. Each pile component consists of a hollow square tube and an elongated opening clamped by locking components, arranged at evenly spaced intervals along the hollow square tube. The upper and lower ends of the pile components are fitted with assembly fixtures. Each storage tray comprises a movable frame and four assembly components, arranged at the four corners of the movable frame. These storage trays move along the lifting direction. The four assembly components each have multiple protruding columns. The upper and lower assembly fixtures are attached to the outer surfaces of the respective assembly fixtures at the upper and lower ends of the pile components.

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