1. Monochrome cwj mem
Monochromatic xim dej cwj mem, muaj peb ntu: lub thoob, lub nib thiab cov refill. Ib tug xim dej ntawm ib tug xim yog sau nyob rau hauv lub refill.
2. Ob- xim xim cwj mem
Cov qauv siv hluav taws xob muaj feem xyuam rau ob - xim dej cwj mem, uas yog tsim los ntawm peb qhov chaw: tus cwj mem, tus cwj mem thiab lub cwj mem. Lub taub ntawm tus cwj mem tau muab faib ua ob ntu, uas tuaj yeem ua ib qho qauv tsim los yog ib qho nested qauv. Raws li txoj cai, tus cwj mem refill kuj tau muab faib ua ob ntu, uas tuaj yeem ua nyob rau hauv cov qauv involute lossis cov qauv nested. Ob -ib feem refills yog sau nrog ob xim dej ntawm cov xim sib txawv. Ob - xim dej cwj mem no muaj cov qauv yooj yim, thiab cov ntawv sau tau muaj ob lub xim sib txawv tib lub sijhawm, uas ua rau cov ntawv sau muaj peb - qhov siab. .
3. Ntau- xim xim cwj mem
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.
