Blackboard eraser frame used for placing ecological ink pen and cancellation blackboard eraser

Abstract

A blackboard eraser frame used in conjunction with an ecological ink pen and a cancellation blackboard eraser comprises a fixed bottom plate, a blackboard eraser slot, a U-shaped plate, a back casing groove, a pen holder and a suction magnet, wherein the U-shaped plate is arranged on the outer side surface of the fixed bottom plate; the blackboard eraser slot for accommodating a blackboard eraser is formed between the U-shaped plate and the fixed bottom plate; the back casing groove is arranged in the middle of the U-shaped plate; the width of the back casing groove corresponds to the width of the cross section of a back casing on the cancellation blackboard eraser; the pen holder is arranged on the U-shaped plate; the suction magnet is arranged on the inner side surface of the fixed bottom plate; and the fixed bottom plate and the bottom of the pen holder are positioned in the same plane, and the bottom of the pen holder is vertical to the fixed bottom plate. According to the blackboard eraser frame, the ecological ink pen and the cancellation blackboard eraser are integrated together, the blackboard eraser frame can be placed at any position of a blackboard or arranged on a platform, the convenience is brought for use, the falling possibility of the cancellation blackboard eraser is greatly lowered, and the service life of the cancellation blackboard eraser is prolonged.

Description

Technical field: [0001] The invention relates to a blackboard eraser stand, in particular to a blackboard eraser stand used in conjunction with an ecological water pen and an erasing board eraser. Background technique: [0002] With the development of science and technology, Shanxi University developed an environmentally friendly ink for blackboard writing made of photosensitive hydrolyzed materials, plant pigments and special additives, and developed an environmentally friendly ink pen for blackboard writing, an environmentally friendly blackboard eraser and a cleaning bottle. This achievement was awarded the National Science and Technology Invention II This provides a broad space for dust-free teaching. At present, these products are on the market. This environmentally friendly blackboard writing ink made of plant pigments not only has good color, smooth water flow, is not easy to scale, and has high clarity. This kind of environment-friendly blackboard writing ink pen is ...

AI Technical Summary

Problems solved by technology

Although this erasing board eraser solves the problem of convenient use by teachers, in actual use, the placement of erasing board erasers and ecological water pens is very problematic. Due to frequent use, pens and erasers will be thrown around. It cannot be placed reasonably, and due to the special internal structure of the erasing board eraser, if it is discarded on the desk at will, it will be easily damaged if it is accidentally dropped on the ground, thus greatly reducing its service life

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