CN201833714U - Chalk holder - Google Patents

Abstract

A chalk holder relates to a teaching appliance and comprises a chalk casing (1), a push rod (2), a chalk (3) and a chalk sleeve (4), wherein the push rod (2) penetrates through the chalk casing (1) and is connected with the tail part of the chalk (3); and the chalk sleeve (4) is sleeved on the head part of the chalk (3). The chalk is pushed out of the chalk casing bit by bit through the push rod so as to be prevented from being broken and can be used when a small segment of the chalk is pushed out of the chalk casing; a limiting device is arranged in the chalk casing to prevent the chalk from shifting; and a pencil sharpener device arranged in the chalk sleeve can slightly sharpen the chalk, so that chalk can be used more conveniently.

Description

Chalk sleeve

Technical field:

The utility model relates to a kind of teaching aid, relates in particular to a kind of chalk sleeve.

Background technology:

Many chalks on the market all dispose chalk sleeve at present, the kind of chalk sleeve is also a lot, though can avoid finger directly to contact with chalk, most of chalk sleeves are easy to cause chalk to disconnect, the chalk head that disconnects is thicker, uses very inconvenient like this.

The utility model content:

The purpose of this utility model provides a kind of chalk sleeve, and it can prevent that chalk from disconnecting health easy to use.

In order to solve the existing problem of background technology, the utility model is by the following technical solutions: it comprises a shell, push rod, chalk and the pen cap, and push rod passes a shell and links to each other with the chalk afterbody, and the chalk head is socketed with the pen cap.

Be provided with the pencil sharpener device in the described pen cap.

The utility model is released chalk to a shell outside bit by bit by push rod, prevent that chalk from disconnecting, it is released a shell a bit just can use outward, be provided with stopping means in the shell, can prevent the chalk play, pencil sharpener device in the pen cap can be fined away chalk slightly, and is more convenient to use like this.

It can prevent that chalk from disconnecting health easy to use the utility model.

Description of drawings:

Fig. 1 is a structural representation of the present utility model.

The specific embodiment:

With reference to Fig. 1, this specific embodiment by the following technical solutions: it comprises a shell 1, push rod 2, chalk 3 and the pen cap 4, and push rod 2 passes a shell 1 and links to each other with chalk 3 afterbodys, and chalk 3 heads are socketed with the pen cap 4.

Be provided with the pencil sharpener device in the described pen cap 4.

This specific embodiment is released chalk 3 to a shell 1 outside bit by bit by push rod 2, prevent that chalk 3 from disconnecting, to a bit just can use outside its release shell 1, be provided with stopping means in the shell 1, can prevent chalk 3 plaies, pencil sharpener device in the pen cap 4 can be fined away chalk 3 slightly, and is more convenient to use like this.

It can prevent that chalk from disconnecting health easy to use this specific embodiment.

Claims (2)

1. chalk sleeve is characterized in that it comprises a shell (1), push rod (2), chalk (3) and the pen cap (4), and push rod (2) passes a shell (1) and links to each other with chalk (3) afterbody, and chalk (3) head is socketed with the pen cap (4).

2. chalk sleeve according to claim 1 is characterized in that being provided with the pencil sharpener device in the described pen cap (4).

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