CN103350597A

CN103350597A - Environment-friendly type dust-free blackboard eraser

Info

Publication number: CN103350597A
Application number: CN2013103220066A
Authority: CN
Inventors: 赵夫超
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-07-30
Filing date: 2013-07-30
Publication date: 2013-10-16

Abstract

The invention discloses an environment-friendly type dust-free blackboard eraser which comprises a blackboard eraser body. A sponge body is arranged in the middle of one end of the blackboard eraser body, a wet wiping roller is arranged on the sponge body, and half-dry wiping rollers and dry wiping rollers are arranged on the left side and the right side of the wet wiping roller in sequence. A transitional wheel is arranged at one end of the wet wiping roller, belt wheels are arranged at one ends of the half-dry wiping rollers, transmission wheels are arranged at one end of the dry wiping rollers, the transmission wheels are connected with the belt wheels through transmission belts, and the belt wheels are connected with the transitional wheel through connecting belts. Superfine fiber cloth is arranged on the wet wiping roller, cotton fibers are arranged on the half-dry wiping rollers, and cotton yarn is arranged on the dry wiping rollers. A pressing plate is arranged on the wet wiping roller, the half-dry wiping rollers, the dry wiping rollers and is combined with the blackboard eraser body in a buckling mode, and a water filling port is formed in the position, apart from the sponge body, in the blackboard eraser body. The environment-friendly type dust-free blackboard eraser has the advantages of being reasonable in structure, integral of wetness and dryness, convenient to use, practical and the like, can quickly erase writing on a blackboard cleanly, can further prevent chalk dust from pervading in a classroom, and effectively improves teaching environment of the classroom.

Description

A kind of Environmental-protection type dust-free blackboard eraser

Technical field

The present invention relates to a kind of teaching aid, particularly a kind of Environmental-protection type dust-free blackboard eraser.

Background technology

At present in teaching process, still generally use chalk to write at blackboard, use the blackboard eraser erasing out handwriting, in wiping process, have a large amount of dust to be scattering into ground or be diffused in the air in the classroom, make the classroom be subject to serious dust pollution, directly have influence on the healthy of Faculty and Students, some dust also sticks on the blackboard eraser, not only affects wiping effect, and it is also very inconvenient to remove dust, and this brings many troubles to teaching.

Summary of the invention

The object of the present invention is to provide and a kind ofly do wetly in conjunction with, convenient and practical Environmental-protection type dust-free blackboard eraser, it is the writing on the clean erasing blackboard fast, can also effectively prevent filling the air of chalk dust.

For achieving the above object, a kind of Environmental-protection type dust-free blackboard eraser of the present invention comprises the blackboard eraser body, and the end middle part of described blackboard eraser body is provided with cavernous body, is provided with the wet rubbing roller on the cavernous body, and the left and right sides of wet rubbing roller is provided with half xerotripsis roller, xerotripsis roller successively; One end of described wet rubbing roller is provided with transition wheel, and an end of half xerotripsis roller is provided with belt wheel, and an end of xerotripsis roller is provided with drive, and drive is connected with belt wheel through driving-belt, and belt wheel is connected with transition wheel through connecting band; Be laid with superfine fibre cloth on the described wet rubbing roller, be laid with cotton-wool on the half xerotripsis roller, be laid with cotton gauze on the xerotripsis roller; Pressing plate is located at the top of wet rubbing roller, half xerotripsis roller, xerotripsis roller and is interlocked with the blackboard eraser body, and the blackboard eraser body is provided with water filling port apart from the cavernous body place.

After adopting technique scheme, because half xerotripsis roller is connected with the xerotripsis roller through drive, belt wheel and driving-belt, half xerotripsis roller is connected with the wet rubbing roller through belt wheel, transition wheel and connecting band simultaneously, some angles as long as slightly incline in blackboard eraser body and blackboard plane, the wet rubbing roller is realized the effect of quick erasing out handwriting with half xerotripsis roller, xerotripsis roller; By below the wet rubbing roller, being provided with cavernous body, keep cavernous body moistening by the water filling port water filling, thereby make the superfine fibre cloth on the wet rubbing roller keep moistening, can effectively adsorb chalk dust, prevent that chalk dust from wafting aloft; The moisture that the wet rubbing roller stays on the cotton-wool erasing blackboard on the middle half xerotripsis roller makes blackboard be in leather hard, at last by the cotton gauze on the xerotripsis roller with the thorough wiped clean of blackboard.

The present invention has the following advantages:

The chalk dust that produces when 1, effectively absorbing writing on the blackboard eraser erasing blackboard prevents that chalk dust from being sucked in the health by the academics and students, and the protection teachers and students' is healthy, is that comfortable a, clean environment is created in classroom instruction;

2, using method is simple, makes things convenient for classroom instruction;

3, can use for a long time, effectively reduce traditional blackboard and wipe usage quantity, reduce instruction cost;

4, simple in structure, remove stage makeup and costume and clear up that to wipe roller convenient and swift.

Description of drawings

Fig. 1 is a kind of Environmental-protection type dust-free blackboard eraser structural representation of the present invention;

Fig. 2 is that Fig. 1 is along A-A direction cutaway view.

The specific embodiment

Below in conjunction with accompanying drawing a kind of Environmental-protection type dust-free blackboard eraser of the present invention is described further;

By Fig. 1, Fig. 2 as seen, a kind of Environmental-protection type dust-free blackboard eraser of the present invention comprises blackboard eraser body 1, and the end middle part of described blackboard eraser body 1 is provided with cavernous body 7, be provided with wet rubbing roller 2 on the cavernous body 7, the left and right sides of wet rubbing roller 2 is provided with half xerotripsis roller 3,3 ', xerotripsis roller 4,4 ' successively; One end of described wet rubbing roller 2 is provided with transition wheel 12, half xerotripsis roller 3, an end of 3 ' are provided with belt wheel 6,6 ', xerotripsis roller 4, an end of 4 ' are provided with drive 5,5 ', drive 5,5 ' is connected with belt wheel 6,6 ' through driving-belt 10,10 ', and belt wheel 6,6 ' is connected with transition wheel 12 through connecting band 11,11 '; Be laid with on the described wet rubbing roller 2 on superfine fibre cloth 21, the half xerotripsis rollers 3,3 ' and be laid with cotton-wool 31,31 ', be laid with cotton gauze 41,41 ' on the xerotripsis roller 4,4 '; Pressing plate 9 is located at wet rubbing roller 2, half xerotripsis roller 3,3 ', xerotripsis roller 4,4 ' top and is interlocked with blackboard eraser body 1, and blackboard eraser body 1 is provided with water filling port 8 apart from cavernous body 7 places.

Use when of the present invention, can first to a small amount of water of water filling port 8 interior injections, make cavernous body 7 keep moistening.When erasing the board from left to right, use wet rubbing roller 2, half xerotripsis roller 3 and xerotripsis roller 4, be that superfine fibre cloth 21 on the wet rubbing roller 2 is at the most front removing chalk dust, the moisture that wet rubbing roller 2 stays on cotton-wool 31 erasing blackboards on the middle half xerotripsis roller 3, make blackboard be in leather hard, by the cotton gauze 41 on the xerotripsis roller 4 that blackboard-cleaning is clean at last, blackboard namely can be write again; When erasing the board from right to left, finish with xerotripsis roller 4 ' and get final product by wet rubbing roller 2, half xerotripsis roller 3 '.In the use procedure, for prevent wet rubbing roller 2, half xerotripsis roller 3,3 ' and xerotripsis roller 4,4 ' in any one has rotation, cause wiping not thorough, available right hand thumb is pinned xerotripsis roller 4; When some faces in superfine fibre cloth 21, cotton-wool 31,31 ', the cotton gauze 41,41 ' are dirty by wiping, any one in the xerotripsis roller 4,4 ' gently stirred in available have gentle hands, can change superfine fibre cloth 21, cotton-wool 31,31 ', cotton gauze 41,41 ' and the faying face of blackboard, thereby realize that wiping is cleaner.

In the present embodiment, can regularly open pressing plate 9, take off wet rubbing roller 2 and cavernous body 7 cleans, remove the long-term chalk dust that stays that uses, half xerotripsis roller 3,3 ' and xerotripsis roller 4,4 ' also can take off in the lump, remove chalk dust, to use convenient next time; For keeping cavernous body 7 wetting, can be regularly to a small amount of water of water filling port 8 interior addings.

The present invention has rational in infrastructure, and is convenient and practical, wet in conjunction with can effectively improving the air quality in classroom with adsorbing powder dust to superfine fibre cloth 21 by doing, and avoids dust polluting environment and endangers the healthy of teachers and students.

Claims

1. Environmental-protection type dust-free blackboard eraser, comprise blackboard eraser body (1), it is characterized in that: the end middle part of described blackboard eraser body (1) is provided with cavernous body (7), be provided with wet rubbing roller (2) on the cavernous body (7), the left and right sides of wet rubbing roller (2) is provided with half xerotripsis roller (3,3 '), xerotripsis roller (4,4 ') successively; One end of described wet rubbing roller (2) is provided with transition wheel (12), one end of half xerotripsis roller (3,3 ') is provided with belt wheel (6,6 '), one end of xerotripsis roller (4,4 ') is provided with drive (5,5 '), drive (5,5 ') is connected with belt wheel (6,6 ') through driving-belt (10,10 '), and belt wheel (6,6 ') is connected with transition wheel (12) through connecting band (11,11 '); Be laid with superfine fibre cloth (21) on the described wet rubbing roller (2), be laid with cotton-wool (31,31 ') on the half xerotripsis roller (3,3 '), the xerotripsis roller is laid with cotton gauze (41,41 ') on (4,4 '); Pressing plate (9) is located at the top of wet rubbing roller (2), half xerotripsis roller (3,3 '), xerotripsis roller (4,4 ') and is interlocked with blackboard eraser body (1), and blackboard eraser body (1) locates to be provided with water filling port (8) apart from cavernous body (7).