Integrated pencil cap for protecting pencil point

A one-piece, pen holder technology, applied in the direction of printing, writing utensils, writing connectors, etc., can solve the problem of pencil loss of protection, and achieve the effect of avoiding pencil tip breakage, scientific and reasonable structure, and eliminating external cause tip breakage

Active Publication Date: 2015-06-24
栾立宇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] What the present invention aims to solve is the problem that the existing pencil case is fixed on the pen holder through a spring. When the pen case and the spring are separated from each other, the pencil loses protection. It provides a new type of integrated pen case for protecting the pencil tip.

Method used

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  • Integrated pencil cap for protecting pencil point
  • Integrated pencil cap for protecting pencil point
  • Integrated pencil cap for protecting pencil point

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: A kind of one-piece pen cover for protecting the pencil tip, the pen cover 1 is a hollow cylinder made of PVC plastic with a scroll spring 2 at one end, the scroll spring 2 is conical, and the spring wire of the scroll spring 2 The width is 6mm, the spacing is 1mm, rely on the elastic force of the conical scroll spring 2 to tighten the pen holder, so as to prevent the pen cover 1 from moving freely; the other end of the pen cover 1 is closed, and an eraser 4 is installed at the closed part to erase the marks written by the pencil , for easy modification. A pen clip 5 is also provided on the side wall of the pen case 1 to facilitate the carrying of the pencil.

Embodiment 2

[0019] Embodiment 2: A kind of one-piece pen case for protecting the pencil nib, the pen case 1 is a hollow cylinder made of PVC plastic with a scroll spring 2 at one end, the scroll spring 2 is conical, and the spring wire of the scroll spring 2 The width is 6 mm, the distance is 1 mm, and there are raised internal threads 3 on the inner wall; the other end of the pen cover 1 is open. When in use, directly put the pen cap 1 on the pencil shaft, utilize the elasticity of the scroll spring 2 and the raised internal thread 3 on the inner wall of the scroll spring 2 to hold the pen shaft, so as to prevent the pen cap 1 from moving. A pen clip 5 is also provided on the side wall of the pen case 1 to facilitate the carrying of the pencil.

Embodiment 3

[0020] Embodiment 3: A kind of integrated pen cover for protecting the pencil tip, the pen cover 1 is a hollow cylinder made of PVC plastic with a scroll spring 2 at one end, the scroll spring 2 is cylindrical, and the spring wire of the scroll spring 2 The width is 6 mm, the spacing is 1 mm, and the inner wall has raised internal threads 3; the other end of the pen cover 1 is closed, and an eraser 4 is arranged at the closed part, which is used to erase traces written by a pencil and is convenient for modification. A pen clip 5 is also provided on the side wall of the pen case 1 to facilitate the carrying of the pencil.

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PUM

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Abstract

The invention discloses an integrated pencil cap for protecting a pencil point, which belongs to the field of stationery and particularly belongs to a pencil point protection bush with a function of protecting the pencil point of a pencil. The integrated pencil cap for protecting the pencil point is characterized in that the pencil cap is a hollow cylinder of which one end is in a volute spiral spring shape and has a scientific and reasonable structure; and the pencil cap can be applied to a pencil with a thread groove or a general pencil to effectively protect the pencil point of the pencil, so that the phenomenon that the pencil point is broken off due to collision of the pencil point and a hard substance is avoided, the service life of the pencil is prolonged and the situation that graphite on the pencil core is smeared on other articles during carrying can be prevented. In addition, the pencil cap is provided with a pencil clip and an eraser, is convenient to carry and use the pencil, is especially suitable for students in primary schools or is convenient to carry for outgoing and drawing. The pen cap disclosed by the invention has low cost; the utilization rate of the pencil can be greatly improved; and the condition that the pencil point is broken off can be basically avoided.

Description

technical field [0001] The invention belongs to the field of stationery, in particular to a movable nib protective cover with the function of protecting the pencil nib. Background technique [0002] Pencil handwriting has other unique uses because it is easy to erase and modify. Common primary school students are writing with pencils, and drawing is a necessary tool. There are two main types of existing pencils, one is the traditional cutting pencil, and the other is a new type of mechanical pencil. The mechanical pencil does not need to be cut and cut, and is convenient and hygienic to use. It is favored by users, but it can only be used for ordinary Writing, so the traditional pencil sharpener still has a large amount of usage. The amount of traditional pencils used in my country is about 4 billion per year, and its utilization rate is only one-fifth. Touching it may cause the tip to break; and because the tip of the pencil is exposed, it is easy to wipe the graphite on ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B43K23/10
Inventor 栾立宇
Owner 栾立宇
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