CN202463314U - Environment-friendly blackboard with overall chalk writing erasure - Google Patents

Abstract

The utility model discloses an environment-friendly blackboard with overall chalk writing erasure. The environment-friendly blackboard comprises a blackboard and a powder receiving groove, wherein the powder receiving groove is arranged at the lower edge of the blackboard. The environment-friendly blackboard is characterized in that guide rails are fixedly arranged on an upper frame and a lower frame of the blackboard respectively, two slide blocks are arranged in the guide rails, a slide plate is fixedly arranged between the two slide blocks, an erasing body is fixedly arranged on the internal sidewall of the slide plate, two rubber strips are fixedly arranged at the two side edges of the erasing body, and a hair felt is fixedly arranged on the erasing body between the two rubber strips. Compared with the existing blackboard, the environment-friendly blackboard with overall chalk writing erasure has the advantages that the writing clean-up area of one-time action is dozens of times that of the ordinary blackboard eraser, the efficiency is increased, the health hazard to human bodies caused by dust is reduced, the operation is timesaving and laborsaving, not only is the pollution to an environment caused by the dust reduced, but also the labor intensity is reduced.

Description

The environment friendly blackboard of letter written with chalk bulk erase

Technical field

The utility model relates to a kind of improvement of blackboard, specifically a kind of environment friendly blackboard of letter written with chalk bulk erase.

Background technology

School's major part is also being used traditional blackboard at present; Chalk still is teacher's main writing implement of imparting knowledge to students, and wipes the letter written with chalk of writing on the blackboard and need wipe with blackboard eraser is piecemeal, and its weak point is: when erasing the board; The dust of chalk flies upward everywhere; Health hazard to teacher, student is very serious, wipes to get up to waste time and energy simultaneously, has reduced the efficient that erases the board.

Summary of the invention

The purpose of the utility model is simple in structure, easy to use, can remove the letter written with chalk on the blackboard fast, and is time saving and energy saving, prevents the environment friendly blackboard of the letter written with chalk bulk erase of dust from flying.

In order to reach above purpose; The technical scheme that the utility model adopted is: the environment friendly blackboard of this letter written with chalk bulk erase, and comprise blackboard and connect the powder groove, meet the lower edges place that the powder groove is located at blackboard; It is characterized in that: be fixed with guide rail respectively on the upper and lower frame of blackboard; In guide rail, be provided with slide block, between two slide blocks, be fixed with slide plate, on the madial wall of slide plate, be fixed with rub body; Be fixed with rubber strip on the dual-side edge of rub body, on the rub body between two rubber strips, be fixed with felt.

The beneficial effect of the utility model is: compare with present blackboard, the cleaning writing area that once moves is tens times of common blackboard eraser, has improved efficient; Reduced the health hazard of dust to human body; Time saving and energy saving, not only reduced the pollution of dust, and reduced labour intensity environment.

Description of drawings

Fig. 1 is the structure front-view schematic diagram of the utility model;

Fig. 2 is the structure enlarged diagram of the rub body of the utility model;

Among the figure: 1, blackboard; 2, guide rail; 3, slide block; 4, slide plate; 5, rub body; 6, connect the powder groove; 7, felt; 8, rubber strip.

The specific embodiment

Make the utility model with reference to accompanying drawing 1, Fig. 2.The environment friendly blackboard of this letter written with chalk bulk erase comprises blackboard 1 and connects powder groove 6, meets the lower edges place that powder groove 6 is located at blackboard 1; It is characterized in that: be fixed with guide rail 2 respectively on the upper and lower frame of blackboard 1, in guide rail 2, be provided with slide block 3, slide block 3 can slide in guide rail 2; Between two slide blocks 3, be fixed with slide plate 4, slide plate 4 can move along the left and right directions of blackboard 1 like this, on the madial wall of slide plate 4, is fixed with rub body 5; Be fixed with rubber strip 8 on the dual-side edge of rub body 5, on the rub body between two rubber strips 85, be fixed with felt 7, can wipe letter written with chalk through felt 7 like this; The powder that forms is blocked between two rubber strips 8 by the rubber strip 8 of both sides, falls downwards along rubber strip 8 then, connects in the powder groove 6 up to falling into; Prevent that the chalk powder from flying upward everywhere, environment friendly and pollution-free, during use; Only need pin slide plate 4 and from left to right one push away and get final product, time saving and energy saving.

Claims (1)

1. the environment friendly blackboard of letter written with chalk bulk erase; Comprise blackboard (1) and connect powder groove (6); Meet the lower edges place that powder groove (6) is located at blackboard (1), it is characterized in that: be fixed with guide rail (2) on the upper and lower frame of blackboard (1) respectively, in guide rail (2), be provided with slide block (3); Between two slide blocks (3), be fixed with slide plate (4); On the madial wall of slide plate (4), be fixed with rub body (5), be fixed with rubber strip (8) on the dual-side edge of rub body (5), on the rub body (5) between two rubber strips (8), be fixed with felt (7).

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