Automatic eraser

Abstract

The invention discloses an automatic eraser comprising a main shell and a grip strength slot formed in the main shell; the grip strength slot is internally provided with a hand grip component, and the hand grip component comprises a holding rod which is longitudinally symmetrical; the right side of the grip strength slot is provided with a connecting rod cavity in a communicating manner, and the connecting rod cavity is longitudinally symmetrical; and the connecting rod cavity is internally provided with a power switching component which can be matched with the holding rod, and the inner walls of the front and rear sides of the grip strength slot are internally provided with spring cavities in the communicating manner. The automatic eraser disclosed by the invention is more reasonable and ingenious in overall structure, and is easy to use; the automatic eraser can further play a role in exercise of hand power except for the function of automatically erasing handwriting; a spring switching component and a rotating component can be controlled by a single driving motor to work, and the use safety is high; and the automatic eraser has higher application and promotion value.

Description

Technical field [0001] The invention relates to the technical field of stationery, in particular to an automatic eraser. Background technique [0002] Eraser, in the United Kingdom and Australia, the eraser is called rubber; but in the United States, the rubber is one of the common names for condoms, and the name of the eraser is eraser, which is often used by Americans to make jokes, the current type of eraser There are many types to meet different needs. The eraser in the prior art needs to manually erase the writing, but it is easy to erase the parts that you don’t want to erase when you wipe it back and forth. It is very inconvenient to use, and the eraser is used by students. The large amount of use in, it will have a great influence if an effective and easy-to-implement new fitness method is added. Therefore, an automatic eraser that can automatically erase handwriting and exercise hand strength is needed. . Summary of the invention [0003] The purpose of the present inve...

AI Technical Summary

Problems solved by technology

[0002] Eraser, in the United Kingdom and Australia, the eraser is called rubber; but in the United States, rubber is one of the common names for condoms, and the name of the eraser is eraser, which are often used by Americans as a joke. Today’s eraser types Various, in order to suit different needs, the eraser in the prior art needs manual erasing handwriting, but when wiping hard back and forth, it is easy to wipe off the part that does not want to be wiped off at the same time, and it is very inconvenient to use, and the eraser is in the student group A large amount of use in , it will have a great influence if it is added an effective and easy-to-implement new fitness method. Therefore, there is a need for an automatic eraser that can automatically erase handwriting and exercise hand strength

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