CN203666212U

CN203666212U - Blackboard eraser convenient to use

Info

Publication number: CN203666212U
Application number: CN201420009032.3U
Authority: CN
Inventors: 田娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-01-07
Filing date: 2014-01-07
Publication date: 2014-06-25
Anticipated expiration: 2024-01-07

Abstract

The utility model relates to a blackboard eraser convenient to use. The blackboard eraser is composed of an outer shell, bristles and a box. The bristles are fixed to the inner side of the outer shell. The box is fixed to the bottom end of the outer shell. The inner side wall of the box inclines inwards. According to the blackboard eraser, the blackboard eraser is combined with a blackboard, the width of the blackboard eraser is increased, blackboard erasing efficiency is improved, and more labor is saved when the blackboard is erased; materials are simple, cost is low, chalk dust can be collected, and dust diffusion is reduced.

Description

Convenient blackboard is wiped

Technical field

The utility model relates to a kind of blackboard eraser, and especially a kind of Convenient blackboard is wiped.

Background technology

Blackboard eraser is the requisite article of classroom and training organization, mostly is square, is mainly made up of bristle, shell, and volume is small and exquisite, and the writing can wiping teacher writing on the blackboard is with wiping with putting, very convenient, is teacher's indispensable instrument of attending class.

The course that modern student will learn is a lot, and at school time, teacher usually will write a lot of words on blackboard, writes when full when word on blackboard, need to take a long time to erase the board, and has taken the teaching time of teacher's preciousness, also expends very much muscle power simultaneously.In the process erasing the board, can produce a large amount of dust, pollute the air in classroom, teacher, front-seat classmate's health is caused to harmful effect.Present blackboard great majority are all made up of outer blackboard and interior blackboard, when use, inside and outside blackboard can pull up and down, if a blackboard eraser is fixed in blackboard bottom outside, blackboard eraser bottom is provided with box, and their length and blackboard width equate, when use, only need inwardly to push blackboard eraser, then pull up and down outer blackboard, the word on interior blackboard will be wiped clean, and dust is collected in box simultaneously, by the efficiency that greatly improves teacher and erase the board, reduced the diffusion of dust so simultaneously.

Utility model content

In order to overcome the deficiency of above-mentioned existing product, the purpose of this utility model is to provide a kind of Convenient blackboard to wipe, and it adopts blackboard bottom to be outside provided with blackboard eraser shell, and shell inner side is provided with bristle, and bottom is provided with box.

In order to realize the technical scheme that the purpose of this utility model adopts be: a kind of Convenient blackboard is wiped, and it is characterized in that: it is made up of shell, bristle, box; Described shell is strip, and inner side is fixed with bristle, and bottom is fixed with strip box, and box madial wall slopes inwardly; Between described bristle and interior blackboard, there is interval, when extruding shell, can be close to interior blackboard.

The beneficial effects of the utility model are: blackboard eraser and blackboard combined, and widened the width of blackboard eraser, improved the efficiency erasing the board, and more laborsaving while erasing the board; Material is simple, and cost is low, can collect chalk dust, has reduced the diffusion of dust.

Accompanying drawing explanation

Below in conjunction with the drawings and specific embodiments, the utility model is further described.

Fig. 1 is the utility model structure chart

Fig. 2 is the utility model cutaway view

1-shell, 2-bristle, 3-box in figure.

The specific embodiment

In the first embodiment shown in Fig. 1, Fig. 2, a kind of Convenient blackboard is wiped, and it is characterized in that: it is made up of shell, bristle, box; Described shell is strip, and inner side is fixed with bristle, and bottom is fixed with strip box, and box madial wall slopes inwardly.

In the second embodiment shown in Fig. 1, Fig. 2, described shell is fixed on outer blackboard bottom, the length of shell and box equates with blackboard width, and all the resilient vulcanie of apparatus is made, conveniently blackboard eraser is expressed to and is close to interior blackboard, shell is used for fixing bristle and box, facilitates holding of people to pull up and down outer blackboard; Between described bristle and interior blackboard, have interval, when avoiding pulling up and down outer blackboard and not wiping interior blackboard, writing on blackboard in wiping, when extruding shell, can be close to interior blackboard, the writing on being used for erasing the board, and clean blackboard, conveniently writes again; Described box is used for collecting the dust falling while erasing the board, reduces the diffusion of dust, reduces the pollution of dust to classroom environment.

Use when the utility model, when the word write on blackboard in needs are wiped, above first outer blackboard being moved to, then hold shell, inwardly push shell, make bristle be close to interior blackboard, finally pull outer blackboard downwards, with regard to the word of writing on blackboard in erasable, once wipe unclean, can move up and down outer blackboard, repeatedly wiping, so just can wipe clean the writing on interior blackboard fast, facilitates teacher to use, do not take the too much teaching time of teacher, the word on outer blackboard can wait the play time to go to wipe.

Claims

1. a Convenient blackboard is wiped, and it is characterized in that: it is made up of shell, bristle, box; Described shell is strip, and inner side is fixed with bristle, and bottom is fixed with strip box, and box madial wall slopes inwardly; Between described bristle and interior blackboard, there is interval, when extruding shell, can be close to interior blackboard.

2. Convenient blackboard according to claim 1 is wiped, and it is characterized in that: described shell is fixed on outer blackboard bottom, and the length of shell and box equates with blackboard width, and all makes of rubber.