Pen prevented from being opened by child

Abstract

The invention relates to a pen prevented from being opened by a child. The pen comprises a penholder, a pen cap and a refill. The refill is arranged in the penholder, and a pressure rod is arranged in the pen cap and can press the refill out of the penholder. First threads are arranged below protrusions, and second threads are arranged at the upper end of the outer side wall of the penholder and matched with the first threads. Multiple first gear levers are fixedly connected to the refill, a combination groove is formed in the penholder, the first gear levers penetrate through the combination groove and extend to the outside of the penholder, the combination groove comprises a straight-bar-shaped groove in the vertical direction and multiple arc grooves in the horizontal direction, and all the arc grooves and the straight-bar-shaped groove are mutually communicated. The child can be prevented from opening the pen cap or pressing the refill out, and therefore safety is high.

Description

technical field [0001] The present invention relates to child-resistant pens. Background technique [0002] The pen is a great invention of mankind, and it is a tool for writing or drawing. In families with children, adults often leave the pen behind after using it, and children often pick up the pen and use it as a toy. Ordinary pens, it is easy for children to press out the refill or open the pen cap. Children will scribble and scribble when holding the pen, staining clothes or furniture, and the tip of the pen is sharp, scratching on the furniture will draw a mark on the furniture , damage the furniture, poke the eyes, and accidentally hurt the eyes, which is very dangerous. Contents of the invention [0003] The invention aims at the deficiencies of the prior art, and provides a high-safety pen which can prevent children from opening the pen cap or pressing out the pen core. [0004] In order to solve the above-mentioned technical problems, the present invention is ...

AI Technical Summary

Problems solved by technology

Ordinary pens, it is easy for children to press out the refill or open the pen cap. Children will scribble and scribble when holding the pen, staining clothes or furniture, and the tip of the pen is sharp, scratching on the furniture will draw a mark on the furniture , damage the furniture, poke the eyes, accidentally hurt the eyes, very dangerous

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