A kind of anti-break environmental protection pen shell

Abstract

The invention discloses an anti-fracture environment-friendly pen shell. The anti-fracture environment-friendly pen shell comprises a pen cap, a pen holder, a pusher, a pen container and a pen cover; the pen holder, pusher and pen container are hollow tubes in structure, and both the pen cover and pen cap are hollow round tables in structure; a guide groove is symmetrically formed in the inner wall of the pen container, one end is in thread connection with the pen cap while the other end fits with the pen cover, and a first mounting hole is formed in the section of the end fitting with the pen cover; the hollow part of the pen cap is a lead-out hole; the hollow part of the pen cover is a second mounting hole; the pusher is arranged in the pen container, a push groove which is distributed spirally is symmetrically formed in the outer wall of the pusher, a power rod is arranged at the head of one end of the pusher, and the power rod passes through the first mounting hole to connect with the second mounting hole; a guide rod is symmetrically arranged at the outer wall of the head of one end of the pen holder, a mounting groove is formed in the inner wall of the other end, the outer diameter of the pen holder is less than the inner diameter of the pusher, and the guide rod is embedded in a guide slot and correspondingly connected with the push groove. The anti-fracture environment-friendly pen shell is simple in structure, capable of lowering the fracture rate and fully using a refill, environmental friendly and sanitary, and convenient to use and carry.

Description

technical field [0001] The invention relates to the field of learning tools, in particular to an anti-break environmental protection pencil case. Background technique [0002] In teaching, oil pastels and chalk are widely used. Oil pastels are one of the most widely used painting tools in children’s painting because of their delicate touch, smoothness, good spreadability, excellent color stacking and color mixing performance, and ease of use, which can meet the needs of various painting skills. However, oil pastels are brittle and hard, and kindergarten children can easily break them without mastering the painting skills; similarly, chalks are often broken during the teaching process due to their brittle texture. It is very inconvenient to grab directly, it is useless to store it, it is a pity to discard it, and finally causes waste. Simultaneously, in use, the paper clothing of oil pastel falls off and loses. At this time, when children grab the oil pastel to draw with t...

AI Technical Summary

Problems solved by technology

Oil pastels are one of the most widely used painting tools in children’s painting because of their delicate touch, smoothness, good spreadability, excellent color stacking and color mixing performance, and ease of use, which can meet the needs of various painting skills. However, oil pastels are brittle and hard, and kindergarten children can easily break them without mastering the painting skills; similarly, chalks are often broken during the teaching process due to their brittle texture. It is inconvenient to grab it directly, it is useless to store it, it is a pity to discard it, and finally causes waste

At the same time, during use, the paper coat of the oil pastel falls off and is lost

At this time, when children grab the oil pastel to draw with their hands, it is easy to get their hands dirty, causing hygiene problems

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