CN202389064U

CN202389064U - Dust-collection chalk eraser

Info

Publication number: CN202389064U
Application number: CN2011204693364U
Authority: CN
Inventors: 吴哲
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-11-23
Filing date: 2011-11-23
Publication date: 2012-08-22
Anticipated expiration: 2021-11-23

Abstract

The utility model discloses a dust-collection chalk eraser comprising a body and an eraser body, wherein the eraser body is provided with a plurality of parallel slots in the direction of the width of the eraser body at intervals, a rubber ring is arranged at the circumference of the eraser body and surrounds the eraser body, and the rubber ring is slightly higher than the eraser body. According to the chalk eraser disclosed by the utility model, the rubber ring is arranged at the circumference of the eraser body to be as a dustproof layer so as to prevent dusts from flying off, and the slots are distributed on the eraser body at the same time at intervals; and in a process of erasing a blackboard, a majority of dusts enter the slots, and opportunity of the dusts entering a human body is largely reduced so that the health of the human body is guaranteed. After erasing the blackboard, the dust-collection chalk eraser only needs to be knocked for several times at the edge of a dustpan, and the dusts can discharge from the slots, thus the cleaning operation is convenient, the air in a classroom is greatly fresh, and the difficulty of a cleaning operation is also reduced; simultaneously, the health of the human body is favorable, and the morbidity of diseases caused by dusts is reduced.

Description

Chalkboard eraser gathers dust

Technical field

The utility model relates to a kind of chalkboard eraser that gathers dust, and relates in particular to a kind of being convenient to dish is moved to the chalkboard eraser that gathers dust in the plate.

Background technology

Chalk and chalkboard eraser are two indispensable things in the teaching, though multimedia teaching is now popularized, its positive role is still being brought into play in traditional three chi dais one side writing on the blackboard.

The problem that in the chalk use, perplexs student and teacher most is exactly the dust problem when erasing the board.Have a large amount of dust when obliterating the thing of writing and fly up, can make human body suck a lot of dust, teachers and students' respiratory tract is worked the mischief with blackboard eraser.In addition, contact industrial dust for a long time and also possibly cause some other disease.

The utility model content

The utility model purpose is to provide a kind of being convenient to can effectively reduce the chalkboard eraser that gathers dust that dust produces.

For realizing above-mentioned purpose, the technical scheme that the utility model adopts is:

A kind of chalkboard eraser that gathers dust comprises body and rub body, is formed with a plurality of groove cracks that laterally arrange in its width compartment of terrain, described rub body upper edge, around rub body, is formed with rubber ring, and described rubber ring surrounds rub body and its highly a little higher than rub body.

Preferably, described groove gap length degree is between 0.4-0.8cm; Wherein preferable with 0.5cm.

The chalkboard eraser of the utility model; Around rub body, rubber ring is set and prevents that as dust layer dust from dispersing; Simultaneously groove crack spaced apart is set on rub body, in the process that erases the board, most of dust is got in this groove crack, road; Significantly reduced dust and got into the chance of the person, thereby made health obtain guarantee.After having wiped blackboard, only need knock blackboard eraser at the edge of dustbin that several the middle dust in groove crack will come out down, cleaning is convenient, can make with fresh air many in the classroom, has also alleviated the difficulty when doing health.Be of value to health simultaneously, reduce because the disease incidence that dust causes.

Description of drawings

Fig. 1 is the gather dust structural representation of chalkboard eraser of the utility model.

The specific embodiment

To combine the accompanying drawing of the utility model it is set forth and to explain below:

Referring to Fig. 1; The chalkboard eraser that gathers dust of the utility model comprises body; Be formed with body and function crudefiber crop adhesive tape in the bottom of body and process rub body 1; Be formed with a plurality of groove cracks 2 that laterally arrange in its width compartment of terrain, described rub body upper edge, described groove crack 2 width are preferably and are 0.5cm between 0.4-0.8cm.

For preventing that dust from flashing, around rub body 1, be formed with rubber ring 3 simultaneously, described rubber ring 3 surrounds rub body, and its highly a little higher than rub body.

The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.

Claims

1. chalkboard eraser that gathers dust; Comprise body and rub body; It is characterized in that: be formed with a plurality of groove cracks that laterally arrange in its width compartment of terrain, described rub body upper edge, around rub body, be formed with rubber ring, described rubber ring surrounds rub body and its highly a little higher than rub body.

2. the chalkboard eraser that gathers dust as claimed in claim 1 is characterized in that: described groove gap length degree is between 0.4-0.8cm.

3. according to claim 1 or claim 2 the chalkboard eraser that gathers dust, it is characterized in that: described groove gap length degree is 0.5cm.