CN2393726Y - Chalk casing - Google Patents

Abstract

The utility model discloses a chalk casing, which is composed of three parts of a plastic barrel body, gears and a soft outlet, wherein, an outlet end of the plastic barrel body is provided with an opening; both sides of the plastic barrel body are provided with brackets; the gears are arranged on the brackets; the soft outlet is sheathed at the front end of the plastic barrel body. The chalk casing has the advantages of simple fabrication, durability, sanitary and convenient use and convenient carrying; consequently, the utility model has important practical value.

Description

Chalk sleeve

The utility model relates to a kind of chalk sleeve of the usefulness of conveniently writing, and it is a kind of light-duty writing implement, belongs to the cultural goods technical field.

At present, all be that hand directly contacts with chalk when writing, and chalk is easily broken with chalk, not portable, so not only unhygienic but also inconvenient.Therefore, provide a kind of not only health but also portable chalk writing implement to be very important.

The purpose of this utility model is to provide a kind of novel chalk sleeve, and this chalk sleeve should be write convenient, healthy, and is easy to carry.

Be the technical measures that realize that the purpose of this utility model adopted:

A kind of chalk sleeve, it is made up of plastic cylinder, gear and three parts of soft outlet, and the port of export of plastic cylinder has an opening, and in its both sides support is arranged, and gear just is installed on this support, and soft outlet just is socketed in the front end of plastic cylinder.

Being suitable for chalk of the present utility model should even thickness, and length can not limit.Chalk inserts and is advanced to gear from the rear end of chalk sleeve, handsetting gear lightly, and under the drive of gear, chalk can stretch out through soft outlet to front slide.When writing, finger pinches the soft outlet of the pen cap, just can be as having write usually.

Through investigation, also there is not like product to occur in the market.Chalk sleeve of the present utility model is made simple, and is durable, uses health, convenience, and is easy to carry, and therefore has important practical value.

Description of drawings: Fig. 1 is a chalk sleeve structural representation of the present utility model, and Fig. 2 is the structural representation of plastic cylinder.1 is plastic cylinder among the figure, and 2 is gear, and 3 is gear stand, and 4 is soft outlet.

Below in conjunction with accompanying drawing and specific embodiment the technical solution of the utility model is further described:

A kind of chalk sleeve as shown in Figure 1 and Figure 2, is made up of plastic cylinder 1, gear 2 and 4 three parts of soft outlet, the port of export of plastic cylinder has an opening, and support 3 is arranged in its both sides, and gear 2 just is installed on this support 3, and soft outlet 4 just is socketed in the front end of plastic cylinder 1.During use chalk is inserted and is advanced to gear from the rear end of chalk sleeve, handsetting gear lightly, under the drive of gear, chalk stretches out through soft outlet to front slide.Finger pinches the soft outlet of the pen cap, just can usually equally write.

Claims (1)

1. chalk sleeve, it is characterized in that, it is made up of plastic cylinder (1), gear (2) and (4) three parts of soft outlet, the port of export of plastic cylinder has an opening, and support (3) arranged in its both sides, gear (2) is installed on this support (3), and soft outlet (4) is socketed in the front end of plastic cylinder (1).

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