Pen

Abstract

The invention discloses a pen. The pen comprises a pen holder and a pen refill arranged on the pen holder, wherein the pen holder is sleeved with a sleeve and a rotary cylinder sequentially; the rotary cylinder is rotatably connected with the sleeve; a first through hole and a second through hole are respectively formed in the sleeve and the rotary cylinder; when the rotary cylinder rotates, the pen holder is driven to move, so that the pen refill is made to penetrate through the first through hole and the second through hole to be exposed out of the top of the rotary cylinder or hidden in thesleeve; a movable plate is arranged between the sleeve and the rotary cylinder; and when the rotary cylinder rotates, the movable plate is driven to move to be close to or far away from the upper part of the first through hole, and therefore the pen refill is blocked or communicate with the outside; and the length of the pen holder is 12-18 cm. Due to the rotation of the rotary cylinder, multipleeffects of exposing, blocking and the like of the pen refill are achieved, force is saved, the problem of ink overflow is avoided, and the effect of rotating the pen refill is achieved.

Description

technical field [0001] The invention relates to the technical field of office supplies, in particular to a pen structure through which the core is ejected and the core is blocked by rotation. Background technique [0002] With the development of science and technology, the traditional teaching mode has also changed, among which the change of traditional teaching tools is the most prominent. Specifically, traditional teaching tools are mostly chalk, but now they are changed to whiteboard pens. Whiteboard pens, also known as marker pens, are writing utensils that use ink as a medium, effectively replacing traditional chalks. It can completely make up for the adverse effects of dust and other adverse effects caused by traditional chalk after use. [0003] In the prior art, the whiteboard markers are blocked by fastening the pen cap, which has the following defects: [0004] 1. When the pen cap is blocked or opened, a certain amount of strength is required. When the buckle is ...

AI Technical Summary

Problems solved by technology

[0004] 1. When the pen cap is blocked or opened, a certain amount of strength is required. When the buckle is tight or the user is weak, the cap is not easy to pull out, causing inconvenience in use and even affecting the teaching time;

[0005] 2. Most of the pen cap and the pen holder are connected by a buckle. After many times of use, the buckle becomes loose, and the pen cap cannot be well matched with the pen holder, resulting in the loss of the pen cap;

[0006] 3. In the whiteboard pen, the refill is connected to the ink. When opening it, if you use too much force, it will easily cause the ink to spill from the refill, stain your clothes or hands, and cause pollution to the peripheral environment;

[0007] In the prior art, if the pen cap is pulled out many times, the ink is unstable, and it is easy to flow out from the pen core and flow into the pen cap, resulting in waste of ink. throw away

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