Multifunctional pen

Abstract

The invention relates to a pen, specifically to a multifunctional pen which has an invisible marking function and a normal writing function. The multifunctional pen provided by the invention comprises a pen holder, wherein the pen holder comprises an upper pen holder and a lower pen holder which are threadedly connected, the upper pen holder is equipped with an ultraviolet lamp and an LED lamp which are electrically connected to the batteries within the pen holder, the outside of the upper pen holder is equipped with a switch which is used for controlling the two lamps; the lower pen holder is equipped with a ballpoint pen and an invisible ink pen, and the two pens are respectively controlled by a selection button which is arranged outside the pen holder. The multifunctional pen provided by the invention has the advantages that the structure is simple, the function is various, the invisible words and the normal words can be written, the pen is further provided with an illumination function and the pen is convenient and practical.

Description

Technical field [0001] The invention relates to a pen, in particular to a multifunctional pen having both invisible marking function and normal writing function. Background technique [0002] When people write, in some occasions they need to use a pen that can write invisibly. The text written by this type of pen is invisible under ordinary lighting, and can only appear when it is illuminated by ultraviolet light. There are also such invisible pens on the market, but this kind of pen has a single function. It only has invisible writing function and needs to be equipped with a purple light emitter. Or it has both writing and display functions, but it does not have normal writing and lighting functions. Two pens must be carried at the same time during writing, which takes up a lot of space. Summary of the invention [0003] In order to solve the above problems, the present invention provides a multifunctional pen with both invisible marking function and normal writing function. [0...

AI Technical Summary

Problems solved by technology

There are also such invisible pens on the market now, but this kind of pen has a single function, only invisible writing function, and needs to be equipped with a purple light emitter, or it has writing and display functions at the same time, but it does not have normal writing and lighting functions. During the writing process, two pens must be carried at the same time, which takes up a lot of space

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