Ballpoint pen twist structure? 20. What is the twisting structure of a ballpoint pen?

The refill of the rotating core is more general ballpoint refill is not the same, it is generally a metal refill, there is a plastic structure behind the refill, it is a protrusion, there are many small pages on it, just like a propeller, which can be stuck and used to rotate, of course, such a core can be pressed out of the core, you can search for Parker ballpoint pen refill on the Internet, look at the look, Parker's ballpoint pen is like this core, but to the high-end series is to rotate the core, Zhuoer above, the low-end is still pressed, because the result is relatively simple, It's good for cost savings, but it doesn't affect your understanding of the structure.

Inside is a cam structure, similar to how a ball lock works.

I took it apart and saw that it was a double-layer spiral structure with a casing (outer spiral) that fixed the refill in the inner layer, and the outer barrel casing (inner spiral) rotated to complete the telescopic refill action.

Go to the store and take a look, if you don't buy it, take it apart in the store.

The refill of the rotating core is more general ballpoint refill is not the same, it is generally a metal refill, there is a plastic structure behind the refill, it is a protrusion, there are many small pages on it, just like a propeller, which can be stuck and used to rotate, of course, such a core can be pressed out of the core, you can search for Parker ballpoint pen refill on the Internet, look at the look, Parker's ballpoint pen is like this core, but to the high-end series is to rotate the core, Zhuoer above, the low-end is still pressed, because the result is relatively simple, It's good for cost savings, but it doesn't affect your understanding of the structure.

You go and sell one to disintegrate, and you will know that Sa.

The writing principle of the ballpoint pen is mainly to use the friction generated by the direct contact between the ball and the paper when writing, so that the ball rolls in the ball seat and brings out the ink or ink in the refill, so as to achieve the purpose of writing. There are many types and styles of ballpoint pens, and there are high, medium and low grades in terms of quality, but in terms of category, basically.

The writing principle of the ballpoint pen is mainly to use the friction force generated by the direct contact between the balls and the paper surface when writing, so that the balls roll in the ball seat and bring out the ink or ink in the refill, so as to achieve the purpose of writing.

The ballpoint pen is a pen written with ink and different pigments, the tip of the pen is a small steel ball, the small steel ball is embedded in a small cylindrical copper bowl, and then connected to a plastic tube filled with ink, and the ink flows down from all sides with the rotation of the steel ball. The pigment of ballpoint pen ink is a dye. There are three main ink colors: blue, red and black, among which blue ink is the most used.

In the past, the pigment components in blue ink were salt-based blue and salt-based blue lotus, and the solvents were oxidized castor oil and ricinoleic acid. Because salt-based dyes are not light-resistant, heat-resistant, acid-alkaline, they have poor durability and have been eliminated. The 424 blue ballpoint pen and the 322 black ballpoint pen sold on the market have good durability when writing with it.

Structural principle

It is not uncommon to report that scented ballpoint pens are toxic, and the volatile organic compounds contained in inferior scented stationery are toxic and have certain damage to the human body; However, there have been no incidents of poisoning due to the normal use of oil-based ballpoint pens that are not adulterated with volatile organic compounds. The main structure of the ballpoint pen is the upper and lower tooth columns, which are pressed by hand for the upper tooth column of the mountain, and the inner can be rotated for the lower tooth column. The meshing of the upper and lower columns is incomplete meshing, and only the apical part of the tooth is partially engaged.

The guide ribs behind the two teeth of the occlusion are designed to slide in the same guide groove, and after the lower tooth column slides out of the guide groove under the push of the upper tooth column, the teeth of the lower tooth column will slide along the inclined plane of the teeth of the upper tooth column that is meshed due to the effect of the spring. In this way, under the action of the bevel, the lower tooth post will turn an angle, slide to the other side, and be pressed, so that the function of the medieval ballpoint pen can be realized by repeating.

Do you know the principle of a ballpoint pen? Magnify 100 times to observe the writing process, it turns out that the knowledge is so great.

The ballpoint ball ball rubs against the paper and rolls, bringing out the liquid in the refill, and the font --- is the traces left by the ball ball rolling and the liquid attached.