Safety automatic pencil

Abstract

The invention discloses a safety automatic pencil. The safety automatic pencil comprises a pencil pole (1), a pencil holder (7) connected with the pencil pole, and a pencil cap (2) sleeving the tail end of the pencil holder, wherein a pencil head extension switch (8) and an infrared induction system switch button (4) are arranged at the upper part of the pencil pole (1); a through hole (5) is formed in the top end of the pencil cap; a pencil refill module and an infrared induction system are positioned in the pencil pole; the pencil head extension switch (8) is pressed, and a pencil head of the pencil refill module extends out of the pencil cap (2) for writing; when the infrared induction system induces that a pencil point is aligned to human skin, a transmission part triggers the pencil head extension switch (8) to return, and the pencil head shrinks into the pencil pole to prevent pencilcil lead of the pencil head from injuring the human skin to guarantee personal safety of writers;and when the writing is stopped, the infrared induction system switch button (4) on the pencil pole can be pressed to close the induction system.

Description

technical field [0001] The invention relates to a pen, in particular to a safety automatic pen, especially a safety automatic pencil. Background technique [0002] In life and study, tools with sharp refills such as pencils and fountain pens are often used. In the past, most mechanical pencils were inserted by the user by pressing the button on the tip of the pen. The lead will not be retracted during use. It tends to snap off or poke into the interior of objects when placed on the surface of other objects. When people, especially children, use pencils and fountain pens, they often puncture the back of their hands or the skin of their arms due to weak safety awareness. In mild cases, they will be infected and pus, and in severe cases, they will need surgical treatment, which will bring physical and mental harm to people. Contents of the invention [0003] The object of the present invention is to avoid the disadvantages of the above-mentioned prior art, and provide a safe...

AI Technical Summary

Problems solved by technology

When people, especially children, use pencils and fountain pens, they often puncture the skin on the back of their hands or arms due to their lack of safety awareness. In mild cases, they will be infected and pus, and in severe cases, they will need surgical treatment, which will bring physical and psychological harm to people.

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