Gel pen provided with refill observation window

Abstract

The invention provides a gel pen provided with a refill observation window. The transparent window used for observation of a refill is arranged at the front end of a penholder of the gel pen. The ink storage amount of the internally-arranged refill can be clearly observed and mastered, and therefore preparation can be made for study and work.

Description

technical field [0001] The invention relates to a gel pen, in particular to a gel pen with a refill observation window. Background technique [0002] The refill of a gel pen is directly replaced after the ink is used up, and the pen barrels of various gel pens are opaque structures, and it is difficult to intuitively grasp the stock of the built-in refill during use. This will often occur when there is a rush, the lack of ink affects the work and the phenomenon of not getting used to it. Contents of the invention [0003] The invention provides a gel pen provided with a pen core observation window, which can intuitively grasp the ink stock in the pen core. [0004] The present invention includes a pen holder of a gel pen, and the adopted technical solution is that: the gel pen is provided with a transparent window for observing the refill at the front end of the pen holder. [0005] The invention has the beneficial effect that: through the transparent window, the ink sto...

AI Technical Summary

Problems solved by technology

[0002] The refill of a gel pen is replaced directly after the ink is used up, and the pen barrels of various gel pens are opaque structures, and it is difficult to intuitively grasp the stock of the built-in refill during use. This will often appear when the ink is not enough to affect the work and the phenomenon of not being used to it when it is urgent

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