Colorful marking pen suitable to be used by students in department of law

Abstract

The invention discloses a colorful marking pen suitable to be used by students in the department of law. The colorful marking pen comprises a shell, wherein a cover sleeve is arranged on the top partof the shell, is embedded onto the shell, and is movably connected with the shell; an observation port is formed in the bottom part of the cover sleeve, is embedded onto the shell, and is glued with the shell through a glue; a filling port is formed in the bottom end of the observation port; an anti-skid sleeve is arranged on the bottom part of the filling port; a shell sleeve is arranged on the bottom end of the anti-skid sleeve; a connecting shaft is arranged on an inner side face of the cover sleeve; and a reset spring is arranged on an outer side face of the connecting shaft. According tothe colorful marking pen suitable to be used by the students in the department of law, the filling port is formed in a side face of the shell, and pigments of a refill can be added according to the demands of users, so that the colorful marking pen is energy-saving and environmentally-friendly.

Description

technical field [0001] The invention relates to the technical field of marking pens, in particular to a colorful marking pen suitable for law students. Background technique [0002] So-called marking pen is a kind of pen that can write mark or mark on one or more materials such as paper, wood, metal, plastics, ceramic enamel. Markers are divided into oil-based markers and water-based markers. Water-based marker pens can write on smooth surfaces or whiteboards, and can be wiped off with a rag, while oil-based marker pens are not easy to erase. [0003] Existing marker pens use oil-based pigments, which are only for users to use. The internal pigments of this marker pen need to be discarded and repurchased, which is likely to cause waste of resources and pollute the environment. The internal refill of the marker pen uses a single refill, so users It is necessary to purchase a variety of different marker pens at the same time, and it is not convenient to use and carry, which ...

AI Technical Summary

Problems solved by technology

[0003] Existing marker pens use oil-based pigments, which are only for users to use. The internal pigments of this marker pen need to be discarded and repurchased, which is likely to cause waste of resources and pollute the environment. The internal refill of the marker pen uses a single refill, so users It is necessary to purchase a variety of different marker pens at the same time, and it is not easy to use and carry, which increases the user's operating time and amount of operation, low practicability, and short service life

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