CN201700614U

CN201700614U - Dustless chalk box

Info

Publication number: CN201700614U
Application number: CN2010201994859U
Authority: CN
Inventors: 牟灵毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-05-15
Filing date: 2010-05-15
Publication date: 2011-01-12
Anticipated expiration: 2020-05-15

Abstract

The utility model discloses a dustless chalk box, which comprises a box body with an open end. A dust containing drawer is mounted at the lower end of the box body in a drawing manner; a partition plate arranged at the upper end of the box body divides the box body into a main cavity and an accessory cavity; the bottom of the accessory cavity is sealed; the main cavity is communicated with the dust containing drawer; and a filter net is mounted at the bottom of the main cavity. The chalk box can conveniently and rapidly remove chalk dust on a blackboard brush, prevents the chalk dust falling off from the blackboard brush from flying everywhere, and improves the teaching environment of a classroom.

Description

The dust-free chalk box

Technical field

The utility model relates to a kind of chalk holder, relates in particular to a kind of dust-free chalk box.

Background technology

Chalk and the blackboard brush that generally uses in the education activities process all is placed directly on the dais after finishing using at present, this chalk dust that can make on the blackboard brush to be stained with is scattered in and pollutes table top on the dais, make dirty dais and textbook, therefore, the student normally beats the dais with blackboard brush repeatedly after using blackboard brush, chalk dust until blackboard brush comes off, or make the bristle of blackboard brush and the edge extrusion friction at dais, these ways all can make the chalk dust that comes off from blackboard brush fly upward everywhere, polluted the environmental sanitation in classroom, also make teacher and be sitting in front-seat student to suck chalk dust, endanger healthy.

Summary of the invention

Technical problem to be solved in the utility model is: a kind of dust-free chalk box is provided, and this chalk holder can be removed the chalk dust on the blackboard brush easily and fast, avoids flying upward everywhere from the chalk dust that blackboard brush comes off, and has improved the teaching environment in classroom.

For solving the problems of the technologies described above, the technical solution of the utility model is: the dust-free chalk box comprises that the box body of upper end open, the bottom pull of described box body are equipped with to contain grey drawer; The upper end of described box body is provided with demarcation strip, and described demarcation strip is separated into main chamber and secondary chamber with described box body; The bottom seal in described secondary chamber, described main chamber is communicated with the grey drawer of described Sheng, and the bottom in described main chamber is equipped with filter screen.

As a kind of preferred version, described filter screen is a stainless steel.

After having adopted technique scheme, effect of the present utility model is: after blackboard brush has been brushed blackboard, be stained with a large amount of chalk dusts on the bristle of blackboard brush, at this moment, only need blackboard brush is placed in the main chamber, repeated friction between bristle and the filter screen, chalk dust on the bristle will come off, and then drops on and contain in the grey drawer, and whole process chalk dust can not fly upward everywhere, can extract out and contain grey drawer, contain the interior chalk dust of grey drawer with regard to very convenient cleaning, be used to deposit chalk in the secondary chamber, this chalk holder can be removed the chalk dust on the blackboard brush easily and fast like this, avoid flying upward everywhere, improved the teaching environment in classroom from the chalk dust that blackboard brush comes off.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Accompanying drawing is the structural representation of the utility model embodiment;

In the accompanying drawing: 1. box body; 2. demarcation strip; 3. main chamber; 4. secondary chamber; 5. filter screen; 6. contain grey drawer.

The specific embodiment

A kind of dust-free chalk box as shown in drawings, comprises the box body 1 of upper end open, and the bottom pull of described box body 1 is equipped with contains grey drawer 6; The upper end of described box body 1 is provided with demarcation strip 2, and described demarcation strip 2 is separated into main chamber 3 and secondary chamber 4 with described box body 1; The bottom seal in described secondary chamber 4, described main chamber 3 is communicated with the grey drawer 6 of described Sheng, and the bottom in described main chamber 3 is equipped with filter screen 5, and described filter screen 5 is preferably stainless steel, and described box body 1, demarcation strip 2 and the material of containing grey drawer 6 are preferably timber.

During use, brushed on the bristle of blackboard brush of blackboard and be stained with a large amount of chalk dusts, blackboard brush is placed in the main chamber 3, repeated friction between bristle and the filter screen 5, chalk dust on the bristle will come off, and then drop on and contain in the grey drawer 6, whole process chalk dust can not fly upward everywhere, and can contain grey drawer 6 by extracting out, the chalk dust in the grey drawer 6 is contained in cleaning very easily, is used to deposit chalk in the secondary chamber 4, and this chalk holder can be removed the chalk dust on the blackboard brush easily and fast like this, avoid flying upward everywhere, improved the teaching environment in classroom from the chalk dust that blackboard brush comes off.

Claims

1. dust-free chalk box is characterized in that: comprise the box body of upper end open, the bottom pull of described box body is equipped with contains grey drawer; The upper end of described box body is provided with demarcation strip, and described demarcation strip is separated into main chamber and secondary chamber with described box body; The bottom seal in described secondary chamber, described main chamber is communicated with the grey drawer of described Sheng, and the bottom in described main chamber is equipped with filter screen.

2. dust-free chalk box as claimed in claim 1 is characterized in that: described filter screen is a stainless steel.