CN201552923U - Dustproof blackboard eraser - Google Patents

Abstract

The utility model relates to a dustproof blackboard eraser comprising a water bottom groove base and a board eraser. The dustproof blackboard eraser is characterized in that the inside bottom part of the water groove base is provided with a water pad, and the board eraser is put into the water groove base; the board eraser comprises an erasing liner and an erasing liner supporting bracket; the surface of the erasing liner contacts with the water pad in the base; the erasing liner supporting bracket comprises a left supporting bracket and a right supporting bracket which can be repeatedly folded; and the erasing liner is arranged below the erasing liner supporting bracket. With the dustproof blackboard eraser, the problems that the current blackboard eraser can not remove dust and chalk dust flies everywhere and damages the bodies of teachers can be solved.

Description

Dust-removing blackboard eraser

(1) technical field

The utility model relates to a kind of dust-removing blackboard eraser.

(2) background technology

Writing on blackboard with chalk, to impart knowledge to students be the teaching method that China teacher uses for many years, though multimedia has been applied to some schools in recent years, because multimedia cost height, so can not very fast alternative chalk teaching.The chalk teaching has plurality of advantages such as simple, convenient, that applicability is strong, and teacher can give full play to the ability of oneself, on blackboard is any, write, can well lead student's thinking, than the multimedia teaching directly, vividly, be subjected to liking of numerous academics and students deeply.But chalk is because its material cause, and after writing, the dust that erases the board and produced spreads embroidered stories, be everywhere, i.e. contaminated environment, healthy to teacher and classmate also has certain harm.

(3) summary of the invention

The purpose of this utility model provides a kind of dust-removing blackboard eraser that can prevent dust harzard.

The purpose of this utility model is realized by following mode:

Dust-removing blackboard eraser, comprise moisture kerve base, blackboard eraser, it is characterized in that: water-bearing channel base inner bottom part has the water cushion of containing, blackboard eraser is put into the water-bearing channel base, blackboard eraser comprises to be wiped tire and wipes the tire carriage, wipes tyre surface and contacts with the water cushion that contains in the base, and wiping tire carriage is left and right sides two parts, left and right sides carriage can be folding, and wiping tire carriage below is to wipe tire.

The utility model has the advantages that: because the utility model left and right sides carriage can be folding, wipe tire and keep little moisture, can sponge the dust of chalk on wiping blackboard in the word at the wiping state; Dust, conveniently cleans so tyre surface is folding because carriage can be folding attached to after wiping on the tyre surface, after the cleaning, and recovery as new.

(4) description of drawings

Fig. 1 is the structural representation of the utility model embodiment 1;

Fig. 2 is the structural representation of the blackboard eraser part of the utility model embodiment 1;

Fig. 3 is that embodiment 1 blackboard eraser of the present utility model folds the schematic diagram when cleaning;

Fig. 4 is the structural representation of the utility model embodiment 2.

(5) specific embodiment

Embodiment 1:

Dust-removing blackboard eraser, comprise moisture kerve base, blackboard eraser, it is characterized in that: water-bearing channel base 5 inner bottom parts have the water cushion of containing 4, blackboard eraser is put into the water-bearing channel base, blackboard eraser comprises to be wiped tire 3 and wipes tire carriage 2, and the wiping face of wiping tire 3 includes water cushion 4 with base and contacts, and wiping tire carriage 2 is left and right sides two parts, left and right sides carriage 2 is to change axle to connect, and wiping tire carriage 2 belows is to wipe tire 3.

Carriage 2 tops in the left and right sides are handles 1, and the handle of the left and right sides is to adopt convex-concave to fasten to inlay connection; The connection of commentaries on classics axle fastens to inlay with the handle convex-concave and is connected about carriage, guarantees left and right sides carriage on same horizontal plane, and it is firm to wipe tire 3, makes things convenient for blackboard wiping.

Because left and right sides carriage is to change axle to connect, can be folding, the convenient blackboard eraser that cleans is wiped tire.

Embodiment 2:

Left and right sides carriage is to be flexible coupling, and as shown in Figure 5, other is identical with embodiment 1.

Handle is set, in the process of cleaning, can avoids sewage secondary pollution health or hand.

The utility model dust-removing blackboard eraser environmental protection, nuisanceless is fit to uses such as all kinds of schools, kindergarten, also can wiping furniture, clean automobile.

Claims (2)

1. dust-removing blackboard eraser, comprise moisture kerve base, blackboard eraser, it is characterized in that: water-bearing channel base inner bottom part has the water cushion of containing, blackboard eraser is put into the water-bearing channel base, blackboard eraser comprises to be wiped tire and wipes the tire carriage, and the wiping tyre surface includes water cushion with base and contacts, and wiping the tire carriage is left and right sides two parts, left and right sides carriage can be folding, and wiping tire carriage below is to wipe tire.

2. dust-removing blackboard eraser according to claim 1 is characterized in that: described carriage top is a handle, and the handle of the left and right sides is to adopt convex-concave to fasten to inlay connection.

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