1. Jednobojna olovka
Jednobojna vodena olovka u boji, koja se sastoji od tri dijela: cijevi, pera i punjenja. Voda u boji jedne boje se puni u refil.
2. Dvije-olovke u boji
Korisni model odnosi se na vodenu olovku u dvije-boje, koja se sastoji od tri dijela: držača olovke, vrha olovke i jezgre olovke. Vrh olovke podijeljen je na dva dijela, koji mogu biti evolventna ili ugniježđena struktura. Sukladno tome, punjenje olovke također je podijeljeno na dva dijela, koji također mogu biti u evolventnoj ili ugniježđenoj strukturi. Dvodijelna -puna punjenja punjena su vodom u dvije boje različitih boja. Ova vodena olovka u dvije-boje ima jednostavnu strukturu, a napisani potezi imaju dvije različite boje u isto vrijeme, zbog čega font ima trodimenzionalni smisao. .
3. Više-olovka u boji
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.
