1. Monochrome pen
Monochromatic color water pen, consisting of three parts: the barrel, the nib and the refill. A color water of one color is filled in the refill.
2. Two-color color pen
The utility model relates to a two-color water pen, which is composed of three parts: a pen holder, a pen tip and a pen core. The tip of the pen is divided into two parts, which can be an involute structure or a nested structure. Correspondingly, the pen refill is also divided into two parts, which can also be in an involute structure or a nested structure. The two-part refills are filled with two color waters of different colors. This two-color water pen has a simple structure, and the written strokes have two distinct colors at the same time, which makes the font have a three-dimensional sense. .
3. Multi-color color pen
The multi-color water pen is made by embedding three or more refills in the through holes of the pen head mold according to the design requirements, and injecting plastic resin into the whole with an injection molding machine. The roll core with a tight isolation cover is fixed in the pen barrel with a gasket, the revised pen head is embedded in the pen neck end of the pen barrel, the pen core is inserted into the roll core through the through hole on the gasket to absorb the ink, and then the cover is closed. Use adhesive to seal with the pen barrel, the refill and the gasket to prevent color mixing, and install a color ring at the end of the pen. Combining multiple refills in one pen head can write different colors separately, and it will not mix colors or mix colors when placed. It is suitable for mechanized mass production, and is used for beautiful work paintings and teachers' lectures.
