CN202080012U

CN202080012U - Dust suction blackboard eraser

Info

Publication number: CN202080012U
Application number: CN2011201508272U
Authority: CN
Inventors: 杨涵
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-13
Filing date: 2011-05-13
Publication date: 2011-12-21
Anticipated expiration: 2021-05-13

Abstract

The utility model relates to a dust suction blackboard eraser which comprises a backboard and an eraser strip. The back board is internally provided with a mini dust collector, a dust suction port of the dust collector is communicated with dust collection holes uniformly distributed at four edges of the front face of the backboard; and a dust collection box is arranged in the backboard, and a dust cleaning and removing port is communicated with the dust collection box. The utility model relates to the dust suction blackboard eraser with simple structure, reasonable design, convenient use and high practicality, the dust suction blackboard can prevent dust from flying, guarantees the health of teachers and students, keeps a tidy classroom environment and provides a clean and sanitary studying environment for the teachers and students.

Description

Dust absorption blackboard eraser

Technical field

The utility model belongs to the teaching aid field, especially a kind of dust absorption blackboard eraser.

Background technology

Classroom instruction is all using chalk to write writing on the blackboard on blackboard by teacher usually in the school at present, uses blackboard eraser to wipe by teacher or student when needing the removing writing on the blackboard.Chalk dust swam in the air and pollutes when present blackboard eraser used, residual chalk dust is difficult to cleaning on the blackboard eraser, every use a period of time just needs manual chalk dust on the blackboard eraser is drained could continue to use, and efficient is low, and may cause secondary pollution.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art part, provide reasonable in design, make simple, easy to use, can prevent effectively that dust from descending slowly and lightly, ensureing the dust absorption blackboard eraser of the healthy and classroom environment health of teachers and students everywhere.

The utility model solves its technical problem and takes following technical scheme to realize:

A kind of dust absorption blackboard eraser, comprise backboard and wipe bar, it is characterized in that: a mini dust catcher is housed in the described backboard, and this dust catcher suction port is communicated with the uniform air suction opening in the positive edge, four limits of backboard, be shaped on dust collection box in the backboard, the described dedusting mouth of giving a dinner of welcome is communicated with this dust collection box.

And described backboard back side hinge is adorned the lid that gathers dust.

Advantage of the present utility model and good effect are:

1, the built-in mini dust catcher of this dust absorption blackboard eraser, backboard one all uniform air suction openings can suck chalk dust in the backboard when wiping the blackboard writing automatically, are stored in the dust collection box, and centralized stores is convenient to cleaning, avoids polluting.

2, because this blackboard eraser of dust suction has extremely strong dust removal ability, can effectively avoid the phenomenon that dust flies away in the process of erasing the board, therefore can reduce teachers and students' dust soakage, help guaranteeing that it is healthy.In addition, also help and keep indoor neat and tidy, for teachers and students build a study atmosphere that cleaning is dustless.

3, the utility model is a kind of simple in structure, reasonable in design, easy to use, practical dust absorption blackboard eraser, uses this dust absorption blackboard eraser can prevent dust from flying, ensures teachers and students' health, keeps the academic environment that classroom environment is clean and tidy, a clean hygiene is provided as teachers and students.

Description of drawings

Fig. 1 is the utility model structural front view;

Fig. 2 is the cutaway view of Fig. 1 right view.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing and by specific embodiment, and following examples are descriptive, are not determinate, can not limit protection domain of the present utility model with this.

A kind of dust absorption blackboard eraser, comprise backboard 1 and wipe bar 2, it is characterized in that: a mini dust catcher 4 is housed in the described backboard, this dust catcher suction port is communicated with the uniform air suction opening 3 in the positive edge, four limits of backboard, be shaped on dust collection box 5 in the backboard, the described dedusting mouth of giving a dinner of welcome is communicated with this dust collection box, and described backboard back side hinge is adorned the lid 6 that gathers dust.

Claims

1. dust absorption blackboard eraser, comprise backboard and wipe bar, it is characterized in that: a mini dust catcher is housed in the described backboard, and this dust catcher suction port is communicated with the uniform air suction opening in the positive edge, four limits of backboard, be shaped on dust collection box in the backboard, the described dedusting mouth of giving a dinner of welcome is communicated with this dust collection box.

2. dust absorption blackboard eraser according to claim 1 is characterized in that: described backboard back side hinge is adorned the lid that gathers dust.