Handwriting pen with automatic nib protecting function

Abstract

The invention discloses a handwriting pen with automatic nib protecting function. The rear end of a pen core is provided with a connecting head, and the connecting head is provided with a plurality of steps; a plurality of groups of support devices are uniformly distributed on the circumference on the inner wall of a penholder at the rear end of the connecting head, the support device comprises asupport step fixed on the penholder and a support rod capable of being rotationally connected on the support step on front and back, and the rear part of the support rod is provided with a support rod offsetting spring which is connected with the cavity wall of the penholder; and the rear part of the support rod is provided with a counterweight ball chamber, and a first counterweight ball and a second counterweight ball are arranged in the counterweight ball chamber backwards in turn. The pen is upright when writing so that the nib is extended out and pressed tightly for writing; and after the writing is finished, the penholder is placed horizontally, and the nib can be automatically retracted to the interior of the penholder. Automatic retraction of the nib can be realized without pressing a button or other operations, so the handwriting pen is very convenient to use and labor-saving, and the nib can be well protected.

Description

Technical field [0001] The invention relates to a handwriting pen, in particular to a handwriting pen with the function of automatically protecting the pen tip. Background technique [0002] A pen is a tool used by people for writing. The tip of a pen is the most important and fragile part of a pen. Once the tip of the pen is damaged, the pen cannot be used. For general pens, a pen sleeve is required to protect the pen tip. But the pen holder is more troublesome and easy to lose. Therefore, there is a pen with a reliable spring that retracts the penholder so that the tip of the pen is retracted into the penholder for protection, usually a ballpoint pen or a signature pen. However, in use, when the tip of the pen needs to be extended or retracted, a button at the end of the pen shaft needs to be pressed, which still has the disadvantage of inconvenience. At the same time, if you forget to press the button to retract the pen tip after writing, it will still cause the pen tip to ...

AI Technical Summary

Problems solved by technology

But when this pen is in use, when the nib needs to be stretched out or retracted, a button at the end of the penholder needs to be pressed, which still has the disadvantage of being inconvenient to use

At the same time, when you forget to press the button to retract the nib after writing, it will still cause the nib to be exposed outside, which will easily cause damage to the nib or stain other objects with ink from the nib

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