Dual-purpose pen with functions of writing and counting

Abstract

The invention discloses a dual-purpose pen with functions of writing and counting. The pen is characterized in that a counter is arranged in a penholder and comprises a counting button, a reset buttonand a digital display screen, a refill is a refill with wings, the pen is further provided with a cylindrical slider having a middle hole, and the slider sleeves the refill from the rear portion through the middle hole and is retained above the wings of the refill and provided with an annular groove. An inner part, corresponding to the slider, of the penholder is provided with an 's'-shaped curved leaf spring, one end of the leaf spring is attached to the inner wall of the penholder while the other end is provided with a projection, the penholder is provided with a longitudinal groove corresponding to the leaf spring, and a slide button on the longitudinal groove is exposed outside the penholder. By shifting of the slide button position, the projection at the tail end of the leaf spring can be embedded into or retracted out of the annular groove of the slider to control switching between two functions of the dual-purpose pen. The leaf spring, the projection, the longitudinal groove and the slide button are positioned on the front portion of the penholder namely close to a normal pen-holding position, so that convenience in use is achieved, and efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of stationery pens, and relates to a dual-purpose pen for writing and counting. Background technique [0002] At present, as a writing tool, the pen has widely penetrated into people's lives. Ordinary pens, whether they are pencils, ballpoint pens or fountain pens, only have a writing function, and the functions are relatively single. With the development of science and technology, some inventors applied the counter to the pen, invented the counting pen, realized the counting function of the pen, but lost the normal writing function of the original pen, not to mention the counting and writing functions switch between. With the deepening of research, someone redesigned and invented the dual-purpose pen for writing and counting, which realized the dual functions of writing and counting, and the two functions can be switched freely according to needs, which brought a lot of convenience to the use. A kind of ...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a dual-purpose pen for writing and counting, which solves the problem that the writing and counting switching switch of the dual-purpose pen for writing and counting described in the publication number CN 205768204U is located at the rear end of the penholder, which is far away from the normal position of holding the pen, which brings inconvenience to the operation. Inconvenient question

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