Ink filler for fountain pen core

Abstract

The invention discloses an ink filler for a fountain pen core. A bottleneck is arranged at the upper end of an ink bottle; outer threads are arranged on the outer edge of the bottleneck; an ink filling needle is arranged on the outer threads of the bottleneck; inner threads are arranged in a needle body of the ink filling needle; a long needle head is arranged at the upper end of the needle body;in use, a bottle cover is dismounted, the needle body of the ink filling needle is mounted and connected onto the outer threads of the ink bottleneck through threads, the needle head is inserted intoa to-be-used-out pen core, and the ink bottle is extruded for filling ink into the pen core. The ink filler is simple in structure, is reasonable in design, is low in processing and production cost, and is good in energy-saving environment-friendly benefit.

Description

technical field [0001] The invention relates to a refill of a writing pen, in particular to an ink filler for a water refill. Background technique [0002] With the progress and development of material civilization, people's concept of writing pens has also changed. Traditional fountain pens are rarely used, and most of them are replaced by disposable water pens. Most middle school students will use one in about 2-3 days, 2-3 in a week, forty or fifty in a semester, and all the available refills are in good condition. The core can neither be recycled nor environmentally friendly. Contents of the invention [0003] Therefore, people have a great demand for ink filling equipment for water pen refills. The purpose of this invention is to provide a kind of ink filling device for water pen refills, to solve the problem of ink filling for water pen refills, and to extend the life of water pen refills. Life cycle, energy saving and environmental protection. [0004] The scheme...

AI Technical Summary

Problems solved by technology

[0003] Therefore, people have a great demand for ink filling equipment for water pen refills. The purpose of this invention is to provide a kind of ink filling device for water pen refills, to solve the problem of ink filling for water pen refills, and to extend the life of water pen refills. Life cycle, energy saving and environmental protection

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