CN203004655U - Chalk case - Google Patents

Abstract

The utility model relates to a chalk case which comprises an elastic jacket and a magnet. The elastic jacket is matched with chalk in diameter and sleeved in the middle of the chalk. The magnet is installed inside the elastic jacket. The chalk case is of a simple structure, and is directly sleeved on current chalk, and then attracted on a blackboard by a magnetic force, and convenience in use and a striking effect are achieved, so that teachers and students can find the chalk easily. The chalk case is scientific in design, reasonable in structure, convenient to use. economic and practical.

Description

Chalk sleeve

Technical field

The utility model belongs to teaching aid field, especially a kind of chalk sleeve.

Background technology

In school, classroom instruction is all using chalk to write writing on the blackboard on blackboard by teacher usually at present, is convenient to classmate's learning records and understands knowledge on class.Because teacher teaches sometimes, sometimes write on blackboard, forget sometimes where chalk is placed on, searching is got up more time-consuming, again takes chalk to cause again waste.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art part, and a kind of chalk sleeve is provided, the design science of this chalk sleeve, rational in infrastructure, easy to use, economical and practical.

The utility model solves its technical problem and takes following technical scheme to realize:

A kind of chalk sleeve is characterized in that: comprise elastic overcoat and magnet, described elastic overcoat and chalk diameter engage sleeves are contained in the middle part of chalk, in this elastic overcoat, magnet are installed.

And, all uniform polylith magnet that is equipped with in described elastic overcoat.

Advantage of the present utility model and good effect are:

The utility model is simple in structure directly to be sleeved on existing chalk, then by magnetic-adsorption on blackboard, the convenient eye-catching teachers and students of allowing are easy to just can find chalk, design science, rational in infrastructure, easy to use, economical and practical.

Description of drawings

Fig. 1 is the utility model structural front view.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing and by specific embodiment, and following examples are descriptive, are not determinate, can not limit protection domain of the present utility model with this.

A kind of chalk sleeve comprises elastic overcoat 1 and magnet 2, and described elastic overcoat coordinates with the chalk diameter and is enclosed within chalk 3 middle parts, and magnet is installed in this elastic overcoat can be adsorbed on blackboard.

For the ease of use, all uniform polylith magnet that is equipped with in this elastic overcoat.

Although disclose for the purpose of illustration embodiment of the present utility model and accompanying drawing, but it will be appreciated by those skilled in the art that: in the spirit and scope that do not break away from the utility model and claims, various replacements, variation and modification are all possible, therefore, scope of the present utility model is not limited to embodiment and the disclosed content of accompanying drawing.

Claims (2)

1. chalk sleeve is characterized in that: comprise elastic overcoat and magnet, described elastic overcoat and chalk diameter engage sleeves are contained in the chalk middle part, in this elastic overcoat, magnet are installed.

2. chalk sleeve according to claim 1 is characterized in that: in described elastic overcoat one week the uniform polylith magnet that is equipped with.

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