Pen with nib retractable protection function

Abstract

The invention discloses a pen with a nib retractable protection function. The pen comprises a screw rod, a tail control tube for rotating, pushing and pulling the screw rod, and a limiting piece for limiting rotation of the screw rod; the screw rod comprises a threaded rod and a limiting column, an outer thread is arranged on the threaded rod, the threaded rod is fixed to the limiting column, andthe screw rod is fixed to the outer wall of a pen nape; the tail control tube is connected with a tail cap and located between a pen rod and the threaded rod, and an inner thread matched with the outer thread is arranged on the inner wall of the tail control tube; and the limiting piece abuts against the limiting column to keep the limiting column to slide up and down at the limiting piece, and the limiting piece is located on the inner wall of the pen rod. The screw rod is controlled to slide up and down in an inner rod through rotation of the tail cap, accordingly a cartridge part is drivento stretch out of and retract into the pen rod, and thus a nip is protected.

Description

technical field [0001] The invention relates to stationery, which is a pen with retractable protection for the pen head. Background technique [0002] Fountain pen is the writing tool that people generally use, was invented in the early 19th century. The nib is made of metal, and it is smooth and elastic when writing, which is quite smooth. [0003] Among them, the pen item firmly fixes the refill part in the pen holder; the water storage device is placed in the water storage sleeve, and there are multiple water storage tanks on the water storage device, and the water storage tank and the water storage sleeve are used for ink storage. The water storage casing connects the water storage with the ink pump with the water storage, and the ink in the water storage finally flows to the nib for the user to write. [0004] However, during the use of the fountain pen, it is very easy to drop, resulting in partial damage to the nib, making it impossible to write. Contents of the i...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the nib is easily damaged, and provide a pen with retractable protection for the nib. When not in use, the nib can be retracted into the inside of the penholder to play a good protective role.

Images