Fountain pen capable of changing thickness of lines

Abstract

The invention relates to a fountain pen, in particular to a fountain pen capable of changing the thickness of lines. The fountain pen comprises a pen pipe, a rotatable pen cap is arranged at the lower end of the pen pipe, and an ink bag and an ink guiding pipe are fixed in the pen pipe. An elastic pipe is located in the middle of the ink guiding pipe, the lower portion of the ink guiding pipe is connected with the pen cap in a threaded mode, an ink outlet end is spherical, and two openable semispherical pen points are arranged at the lower end of the pen cap. The fountain pen capable of changing the thickness of lines is simple in structure, and the problem that the thickness of writing cannot be adjusted by a common fountain pen is well solved.

Description

(1) Technical field [0001] The invention relates to a pen, in particular to a pen with variable line thickness. (2) Background technology [0002] It has been a long time since the invention of the fountain pen. Its convenience and environmental protection have been widely promoted, but the current fountain pen can only fix the lines, so different pens are required to write different characters. One is troublesome, and the other is Inconvenient, through a large number of interviews and investigations, there is no fountain pen that can change the thickness of the line on the market. (3) Contents of the invention [0003] In order to make up for the deficiencies of the prior art, the present invention provides a fountain pen with variable line thickness. [0004] The present invention is achieved through the following technical solutions: [0005] A fountain pen with variable line thickness, including a pen tube, the lower end of the pen tube is provided with a rotatable p...

AI Technical Summary

Problems solved by technology

[0002] It has been a long time since the invention of the fountain pen. Its convenience and environmental protection have been widely promoted, but the current fountain pen can only fix the lines, so different pens are required to write different characters. One is troublesome, and the other is Inconvenient, through a lot of visits and investigations, there is no pen on the market that can change the thickness of the line

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