CN202079965U

CN202079965U - Antiskid dustproof chalk bush

Info

Publication number: CN202079965U
Application number: CN2011201824706U
Authority: CN
Inventors: 宋伟杰
Original assignee: Shandong University of Science and Technology
Current assignee: Shandong University of Science and Technology
Priority date: 2011-06-01
Filing date: 2011-06-01
Publication date: 2011-12-21
Anticipated expiration: 2021-06-01

Abstract

The utility model discloses an antiskid dustproof chalk bush which comprises a hollow chalk holder, a chalk bush and a chalk bush supporting seat, wherein the chalk bush and the chalk bush supporting seat are arranged in the hollow chalk holder, an elastic material layer is arranged in the chalk bush, the chalk bush supporting seat is positioned below the chalk bush, a tail cap is connected at the tail end of the hollow chalk holder, the tail cap is connected with the hollow chalk holder through threads which are adaptive to each other, a vertical ejector rod is arranged in the tail cap, and a rubber layer is wrapped outside the periphery of the front end of the hollow chalk holder. A chalk is put in the chalk bush, a circle of gap is remained between the chalk and the hollow chalk holder and can effectively collect scattered chalk powder during the writing process. The elastic material layer arranged in the chalk bush can play a role in effectively clamping the chalk and can not push out the chalk due to over-tightened clamping. The vertical ejector rod arranged in the tail cap can play a role in ejecting out the chalk from the chalk bush so as to facilitate writing. The rubber layer wrapped around the chalk holder can play a skid prevention role in writing.

Description

Anti-skidding dustproof chalk sleeve

Technical field

The utility model relates to a kind of teaching auxiliary implement, is specifically related to a kind of chalk sleeve.

Background technology

At present, known chalk sleeve structure is by penholder, pen cap be combined into.Chalk is inserted into penholder inside, uses.But, powder can occur in the general chalk sleeve use and overflow, the easy landing of chalk sleeve, chalk combines defective tightness with the pen cap, and chalk is difficult to advance the phenomenon of using downwards, causes inconvenience to the user, reduces operating efficiency, and unhygienic environmental protection.

The utility model content

The purpose of this utility model is to provide anti-skidding dustproof chalk sleeve, and this chalk sleeve is simple in structure, and is easy to use.

The utility model to achieve these goals, the technical solution of employing is:

Anti-skidding dustproof chalk sleeve, comprise hollow penholder, the pen cap and pen cap supporting seat, the pen cap and pen cap supporting seat are arranged in the hollow penholder, be provided with elastomeric layer in the pen cap, pen cap supporting seat is positioned at pen cap below, and the end of hollow penholder is connected with the tail cap, and tail cap and hollow penholder are by mutual adaptive being threaded, be provided with the push rod of setting in the tail cap, hollow penholder front end periphery is enclosed with rubber layer.

The beneficial effects of the utility model:

Pack in the pen cap behind the chalk, a circle slit is arranged between chalk and the hollow penholder in the writing process, the chalk powder that is scattered can be effectively collected in this slit.The elastomeric layer that is provided with in the pen cap plays effective clamping action to chalk, can chalk can not ejected because of the clamping tension again.The setting push rod that is provided with in the tail cap, effect are chalk conveniently to write by ejecting in the pen cap.When the rubber layer of penholder periphery parcel is write, play anti-skidding effect.

Description of drawings

Fig. 1 is the structure diagram of anti-skidding dustproof chalk sleeve.

The specific embodiment

Below in conjunction with Fig. 1 the utility model is elaborated:

Anti-skidding dustproof chalk sleeve comprises hollow penholder 1, the pen cap 2 and pen cap supporting seat 3.The pen cap 2 and pen cap supporting seat 3 are arranged in the hollow penholder 1, be provided with elastomeric layer 4 in the pen cap 2, pen cap supporting seat 3 is positioned at the pen cap 2 belows, the end of hollow penholder 1 is connected with tail cap 5, tail cap 5 and hollow penholder 1 are by adaptive being threaded mutually, be provided with the push rod 6 of setting in the tail cap 5, hollow penholder 1 front end periphery is enclosed with rubber layer.

Certainly; above-mentioned explanation is not to be to restriction of the present utility model; the utility model also is not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present utility model also should belong to protection domain of the present utility model.

Claims

1. anti-skidding dustproof chalk sleeve, it is characterized in that: chalk sleeve comprises hollow penholder, the pen cap and pen cap supporting seat, the pen cap and pen cap supporting seat are arranged in the hollow penholder, be provided with elastomeric layer in the pen cap, pen cap supporting seat is positioned at pen cap below, and the end of hollow penholder is connected with the tail cap, and tail cap and hollow penholder are by mutual adaptive being threaded, be provided with the push rod of setting in the tail cap, hollow penholder front end periphery is enclosed with rubber layer.