Pressing direct liquid type double-ball refill

Abstract

The invention discloses a pressing direct liquid type double-ball pen refill which comprises a pen refill assembly, a pen point arranged at one end of the pen refill assembly, a first water guiding refill and a second water guiding refill capable of conducting elastic deformation. A first ball and a second ball which abut against each other are arranged at the position, located at the tail end of the ink flowing channel, of the pen point. The first ink guiding core is movably arranged in the ink flowing channel, and one end of the first ink guiding core abuts against the second ball. The second water guide core is fixedly inserted into the pen core assembly, and one end of the second water guide core elastically abuts against the other end of the first water guide core so that elastic force facing the second ball can be applied to the first water guide core. According to the pressing direct-liquid type double-ball-bead pen refill, elastic force is applied to the first ball bead through the second water guiding core to achieve sealing, the good ink leakage prevention effect is achieved, meanwhile, the double-ball-bead structural design is adopted, friction force of the first ball bead is reduced, and writing is smoother.

Description

technical field [0001] The invention relates to the technical field of writing tools, in particular to a pressing and straight liquid type double ballpoint pen core. Background technique [0002] Compared with the traditional writing pen, the straight liquid type roller ball writing pen has the advantages of uniform ink, smooth writing and long writing length, so it is more and more popular with consumers. The principle is that the ink is directly supplied through the ink storage chamber provided by itself, and a water guiding core is installed in the pen. [0003] Since the ink used in the straight liquid writing pen is easy to volatilize and dry up, the existing straight liquid writing pens all adopt the structure design of installing a cap on the pen, and insert the tip of the pen into the cap for sealing when the pen is not in use. Although this method can solve the problem of easy volatilization and drying of ink, it is easy for users to forget to cover the pen cap in ...

AI Technical Summary

Problems solved by technology

Although this method can solve the problem of volatile and dry ink, it is easy for users to forget to cover the pen cap during actual use, resulting in ink leakage and dry tip of the writing pen, and the writing pen is not compatible with the push-type pen; at the same time, Some straight liquid pens also have the defect that the friction between the ball and the water guide core is relatively large, resulting in unsmooth writing

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