CN201268162Y - Chalk - Google Patents

Abstract

A chalk belongs to the field of chalk manufacture, which can effectively overcome the defects that a chalk is easy to break in the process of use to cause waste phenomenon, a hand can be polluted during writing to cause insanitation, and the like. The chalk comprises a pen shaft (1), a push groove (2), a pen bowl (3), a push button (4) and the chalk (5), wherein the chalk (5) is arranged in the pen bowl (3) and in the pen shaft (1). When the chalk is used, the push button (4) on the pen bowl (3) is pressed and is pushed outwards along the push groove (2) on the pen shaft (1), and then the chalk can be used. After the chalk is used, the push button (4) is pressed and pushed backwards. The chalk is convenient to use, and is mainly used for writing characters.

Description

A kind of chalk

Technical field the utility model relates to a kind of chalk.

In the middle of the chalk that background technology is used at present, chalk all is to be made of single chalk cylinder, though this chalk is with low cost, but it has such shortcoming, accidentally will be when writing exactly chalk by disconnected, the part of breaking because of lacking very much and can not reusing, causes waste for no reason often; And it is can make dirty by handle when writing, and unhygienic.

Shortcomings such as the summary of the invention the purpose of this utility model is that a kind of chalk will be provided, and it can effectively avoid chalk in use to fracture easily, causes waste, and can make dirty by handle when writing, and is very unhygienic.

The purpose of this utility model is achieved in that a kind of chalk, comprise the shaft of a writing brush, push away groove, the pen bowl, push away turn round, chalk.Chalk is installed in the pen bowl places in the shaft of a writing brush, have one to push away and turn round and to slide pushing away in the groove of the shaft of a writing brush on the pen bowl.When the user need use chalk to write, with hand pin push away turn round along push away groove toward the extrapolation, chalk will stretch out the shaft of a writing brush have been used; When not using chalk, pin to push away and turn round along pushing away groove toward pulling back, just chalk can be pulled back, be hidden in the shaft of a writing brush.

A kind of chalk of the utility model is hidden in when not using in the shaft of a writing brush, so, can not make clothes dirty when carrying chalk, and can protect chalk to be not easy to be fractureed, carry advantage more easily.

Description of drawings Fig. 1 is the front view of a kind of chalk of the utility model.

Fig. 2 be a kind of chalk of the utility model pen bowl, push away turn round, the plane of chalk.

Fig. 3 is the vertical view of a kind of chalk of the utility model.

A kind of chalk folder of the specific embodiment, by the shaft of a writing brush (1), push away groove (2), pen bowl (3), push away and turn round (4), chalk (5) constitutes, wherein to adopt plastics to manufacture hollow for the shaft of a writing brush (1), has one to make scale and push away groove (2) on the shaft of a writing brush (1), and pen bowl (3) adopts the plastics manufacturing equally, the centre is hollow, size and chalk (5) big or small the same push away and turn round (4) and pen and bowl connect together, and chalk (5) is installed in inside bowl (3) and places in the shaft of a writing brush (1).Pin during use to push away and turn round (4) and just can use toward extrapolation along pushing away groove (2), pin after using push away turn round (4) past push back just passable.

Claims (2)

1. a chalk includes chalk (5), it is characterized in that chalk (5) is installed in the pen bowl (3), places in the shaft of a writing brush (1).

2. according to the described a kind of chalk of claim 1, it is characterized in that pen bowl (3) is provided with to push away to turn round (4).

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