Writing pen

Abstract

The invention discloses a writing pen. The writing pen comprises a holding rod and a pen body which are connected together, an upper cap which is installed at the front end of the holding rod, and a tail plug which is arranged at the tail end of the pen body. A writing cartridge is installed in the holding rod, and a spare cartridge is installed in the pen body. By combining the writing cartridge with the spare cartridge, the spare cartridge stored in the pen body can be used to replace the writing cartridge after the writing cartridge is run out, so that the service time of the writing pen body is prolonged.

Description

technical field [0001] The invention relates to an office product, in particular to a writing pen. Background technique [0002] Various writing pens currently on the market generally use oily, neutral, and water-based inks. According to the requirements of use, the nibs can be ballpoint pens, microporous pens, soft pens, fiber pens, etc. [0003] With the in-depth application of the concept of environmental protection and low carbon in the field of writing instruments, there is a trend of adopting replaceable refill structures in various types of writing instruments. Since the refills used for replacement are not assembled with the pen body, they need to be replaced separately. Purchase and carry, so it is more inconvenient during use. [0004] As a solution to the above problems, various large-capacity replaceable refills are available on the market, but because the service life of the nib is limited, sometimes the ink is wasted due to the loss or damage of the nib during...

AI Technical Summary

Problems solved by technology

[0003] With the in-depth application of the concept of environmental protection and low carbon in the field of writing instruments, there is a trend of adopting replaceable refill structures in various types of writing instruments. Since the refills used for replacement are not assembled with the pen body, they need to be replaced separately. Purchasing and carrying, so it is more inconvenient during use

[0004] As a solution to the above problems, various large-capacity replaceable refills are available on the market, but because the service life of the nib is limited, sometimes the ink is wasted due to the loss or damage of the nib during use.

[0005] In addition, with the expansion of the application range of writing tools, users occasionally need to use other ink colors, functions or different nibs when using writing tools, and have to use another writing tool or a larger multi-color pen. pen realization

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