Safety pen for kids
A child safety, pen tip technology, applied in ballpoint pens, printing, writing utensils, etc., can solve the problems of changing shape, poor protection, not adapting to people's usage habits, etc., and achieve the effect of increasing manufacturing cost and simple structure
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[0009] Depend on figure 1 It can be seen that the present invention is composed of a pen core, an inner cylinder, an outer cylinder, a spring, and a terminal. The pen core and the inner barrel are fixed together, and there is a circular stop ring on the outer edge of the top of the inner barrel. The outer cylinder is a tube with a thick upper end and a thinner lower end, and the end can seal the thick end of the outer cylinder through a spiral structure. The spring pushes the inner cylinder out of the outer cylinder all the time until the limit ring. When people normally use the pen, generally the front end of the pen is clamped by three fingers, which is the exposed part of the inner cylinder described herein, i.e. the clamping area, and people can use it normally at this time. When children are playing or running, they generally do not grasp the holding area of the pen. At this time, if the pen tip touches an external force, such as muscles or eyes, the inner cylinder wi...
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