CN103507521A - Pollution-free blackboard for teaching - Google Patents
Pollution-free blackboard for teaching Download PDFInfo
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- CN103507521A CN103507521A CN201310454551.0A CN201310454551A CN103507521A CN 103507521 A CN103507521 A CN 103507521A CN 201310454551 A CN201310454551 A CN 201310454551A CN 103507521 A CN103507521 A CN 103507521A
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- blackboard
- blackboard eraser
- free
- eraser
- hairbrush
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Abstract
The invention discloses a pollution-free blackboard for teaching, and belongs to the technical field of teaching aids. In order to solve the technical problem, the pollution-free blackboard which is simple in structure, convenient to clean and free of dust pollution is provided. In order to achieve the aims, according to the technical scheme, the pollution-free blackboard for teaching comprises a blackboard body and a long-strip-shaped blackboard eraser, wherein the blackboard body is composed of a writing panel and a dust collection groove, the dust collection groove is formed in the bottom of the writing panel, the blackboard eraser is vertically and movably arranged on the blackboard body, the length of the blackboard eraser is equal to the height of the writing panel of the blackboard body, the upper end and the lower end of the blackboard eraser are respectively provided with a driving device, and the driving devices drive the blackboard eraser to horizontally move on the blackboard body in a reciprocating mode. The blackboard eraser structurally comprises a hairbrush and baffles, wherein the hairbrush is vertically arranged in the middle of the side, opposite to the blackboard body, of the blackboard eraser, the baffles are arranged on the two sides of the hairbrush, a shell is formed by the baffles and the blackboard eraser, chalk dust erased by the hairbrush can not drift out of the shell, and the pollution-free blackboard can be widely applied to the field of teaching.
Description
Technical field
The free of contamination blackboard for teaching of the present invention, belongs to teaching equipment technical field.
Background technology
As student, come we, every day cleaning, erase the board, these are all very simple things, but in fact in every day on duty for the day, a lot of students are unwilling to erase the board, what they had would rather sweep the floor, all unwilling erasing the board mop floor, why does is this? the first is because when erase the board, have a large amount of chalk dusts, after those chalk dusts are inhaled into, can make people cough incessantly, but also can make your clothes, hair is coverd with the white chalk dust that one deck is difficult to wipe, if in the situation that ash is heavy, that is not only just your clothes, hair, and you on the face, neck is all that hateful lime.It two is because general blackboard is in order to increase astigmatic ability, its surface is all done more coarsely, and the word of writing up is also difficult to wipe, so need very large strength when erasing the board, also because this person can go out some sweat after wiping blackboard, and sweat again with chalk dust in conjunction with more difficult having wiped just.So a lot of students do not want to erase the board.
In general in classroom, front two rows' seat should be the most welcome, but in fact there is a lot of classmates all to refuse to be sitting in front two rows, why does is this again? originally arch-criminal or that hateful chalk dust, because often having gone up a class, teacher all can write the word of a blackboard, and when under class, student on duty erases the board, in front two rows' air, just filling the air a large amount of chalk dusts, like this at the end of the day, on their desk, have a thick layer of ash on books.Yet be injured not just these because sandwiched a large amount of dusts in air, they have all brought great impact to student's learning life and teacher's teaching, to their health a kind of wrecking especially.According to relevant medical science, report, if people is in the heavier environment of dust, people's diseases such as respiratory tract infection, bronchitis, pneumoconiosis that easily suffer from an inflammation of the lungs.In view of this chalk dust has brought great threat to classmate and teacher's physical and mental health.Whether does this stop using chalk so? but can not find the product that can replace it.Chalk is important thing in teaching, but uses again to the healthy generation of people harmful effect.So how solve and should not produce again dust by blackboard?
Summary of the invention
The present invention has overcome the deficiency that prior art exists, provide a kind of simple in structure, cleaning is convenient, the blackboard for teaching of no dust pollution.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: free of contamination blackboard for teaching, the blackboard eraser that comprises blackboard and strip, described blackboard is comprised of writing panel and ash collection slot, described ash collection slot is positioned at writing panel bottom, described blackboard eraser is vertically movably arranged on blackboard, the writing panel height of the length of described blackboard eraser and blackboard equates, the upper/lower terminal of described blackboard eraser is provided with drive unit, and described drive unit drives blackboard eraser horizontal reciprocating on blackboard to move;
The structure of described blackboard eraser is: comprise hairbrush and baffle plate, described hairbrush is vertically arranged on the middle part of blackboard eraser and blackboard opposite side, described baffle plate is arranged on the both sides of hairbrush, and described baffle plate and blackboard eraser form a housing, and the chalk dust that hairbrush is wiped can not flown away outside housing.
On described blackboard eraser, be provided with sweeper, the bottom, two ends of described ash collection slot is provided with flue-dust retainer, and described flue-dust retainer upper opening is communicated with ash collection slot, and described sweeper moves with blackboard eraser, and the chalk dust in described housing is swept in flue-dust retainer.
Described drive unit is motor-driven gear magnetic stripe mechanism, or is motor-driven worm-and-wheel gear, or is motor drive sprocket chain structure.
On described blackboard eraser, be provided with adjusting knob, described adjusting knob is for adjusting the distance between blackboard eraser and blackboard.
The two ends of described blackboard are provided with travel switch, the stroke of described travel switch accessory drive.
One side of described blackboard is provided with control device, and described drive unit is controlled by described control device.
Described control device adopts PLC circuit to control described drive unit action.
The beneficial effect that the present invention compared with prior art has: the present invention relies on motor to drive blackboard eraser horizontal reciprocating on blackboard to move, blackboard eraser is clean, the baffle plate of blackboard eraser both sides prevents that chalk dust from flying away out, chalk dust is affected by gravity and falls, the sweeper that is arranged on blackboard eraser bottom sweeps into flue-dust retainer by the grieshoch falling along ash collection slot, whole process Automatic Control, only need press gently control button, can blackboard eraser is clean, and do not have chalk dust to fly away, blackboard eraser playback after wiping clean, the present invention is simple in structure, cleaning chalk dust is convenient, there is no dust pollution, clean hygiene, must receive teachers and students' welcome.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described further.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the partial schematic diagram of blackboard eraser in the present invention.
In figure, 1 is that blackboard, 2 is that blackboard eraser, 3 is that writing panel, 4 is that ash collection slot, 5 is that drive unit, 6 is that hairbrush, 7 is that baffle plate, 8 is that flue-dust retainer, 9 is adjusting knob.
The specific embodiment
As shown in Figure 1 and Figure 2, the free of contamination blackboard for teaching of the present invention, the blackboard eraser 2 that comprises blackboard 1 and strip, described blackboard 1 is comprised of writing panel 3 and ash collection slot 4, described ash collection slot 4 is positioned at writing panel 3 bottoms, and described blackboard eraser 2 is vertically movably arranged on blackboard 1, and the writing panel 3 of the length of described blackboard eraser 1 and blackboard 1 is highly equal, the upper/lower terminal of described blackboard eraser 2 is provided with drive unit 5, and described drive unit 5 drives blackboard eraser 2 horizontal reciprocating on blackboard 1 to move;
The structure of described blackboard eraser 2 is: comprise hairbrush 6 and baffle plate 7, described hairbrush 6 is vertically arranged on the middle part of blackboard eraser 2 and blackboard 1 opposite side, described baffle plate 7 is arranged on the both sides of hairbrush 6, described baffle plate 7 forms a housing with blackboard eraser 2, and the chalk dust that hairbrush 6 is wiped can not flown away outside housing.
On described blackboard eraser 2, be provided with sweeper, the bottom, two ends of described ash collection slot 4 is provided with flue-dust retainer 8, and described flue-dust retainer 8 upper openings are communicated with ash collection slot 4, and described sweeper moves with blackboard eraser 2, and the chalk dust in described housing is swept in flue-dust retainer 8.
Described drive unit 5 is motor-driven gear magnetic stripe mechanism, or is motor-driven worm-and-wheel gear, or is motor drive sprocket chain structure.
On described blackboard eraser 2, be provided with adjusting knob 9, described adjusting knob 9 is for adjusting the distance between blackboard eraser 2 and blackboard 1.
The two ends of described blackboard 1 are provided with travel switch, the stroke of described travel switch accessory drive 5.
One side of described blackboard 1 is provided with control device, and described drive unit 5 is controlled by described control device.
Described control device adopts PLC circuit to control described drive unit 5 actions.
Use procedure of the present invention: write after full letter written with chalk until the writing panel 3 of blackboard 1, by control device, start drive unit 5 actions, drive blackboard eraser 2 left and right on blackboard 1 to move back and forth, hairbrush 6 on blackboard eraser 2 is wiped clean the letter written with chalk on writing panel 3, wiping the chalk dust falling is blocked by baffle plate 7, prevent that chalk dust from flying away, chalk dust is received gravity effect, along baffle plate 7, drop down onto in ash collection slot 4, the chalk dust falling in ash collection slot 4 neither be exposed in ash collection slot 4, but fall in the closed housing of baffle plate 7 and ash collection slot 4 formation, sweeper is positioned at this closed housing, blackboard eraser 2 drives sweeper to move in moving process, by the two ends of the dust cleaning ash collection slot 4 falling, fall in flue-dust retainer 8, in this process, chalk dust is arranged in the environment of sealing all the time, thereby avoided flying away of chalk dust, simultaneously, adjusting knob 9 can regulate the distance between blackboard eraser 2 and blackboard 1, make blackboard eraser 2 can well wipe the letter written with chalk on blackboard 1.
By reference to the accompanying drawings embodiments of the invention are explained in detail above, but the present invention is not limited to above-described embodiment, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from aim of the present invention, makes various variations.
Claims (7)
1. free of contamination blackboard for teaching, the blackboard eraser (2) that comprises blackboard (1) and strip, described blackboard (1) is comprised of writing panel (3) and ash collection slot (4), described ash collection slot (4) is positioned at writing panel (3) bottom, it is characterized in that, described blackboard eraser (2) is vertically movably arranged on blackboard (1), the writing panel (3) of the length of described blackboard eraser (1) and blackboard (1) is highly equal, described blackboard eraser (2) upper, lower two ends are provided with drive unit (5), described drive unit (5) drives blackboard eraser (2) to move at the upper horizontal reciprocating of blackboard (1),
The structure of described blackboard eraser (2) is: comprise hairbrush (6) and baffle plate (7), described hairbrush (6) is vertically arranged on the middle part of blackboard eraser (2) and blackboard (1) opposite side, described baffle plate (7) is arranged on the both sides of hairbrush (6), described baffle plate (7) forms a housing with blackboard eraser (2), and the chalk dust that hairbrush (6) is wiped can not fly away outside housing.
2. free of contamination blackboard for teaching according to claim 1, it is characterized in that, described blackboard eraser is provided with sweeper on (2), the bottom, two ends of described ash collection slot (4) is provided with flue-dust retainer (8), described flue-dust retainer (8) upper opening is communicated with ash collection slot (4), described sweeper is mobile with blackboard eraser (2), and the chalk dust in described housing is swept in flue-dust retainer (8).
3. free of contamination blackboard for teaching according to claim 1 and 2, is characterized in that, described drive unit (5) is motor-driven gear magnetic stripe mechanism, or is motor-driven worm-and-wheel gear, or is motor drive sprocket chain structure.
4. free of contamination blackboard for teaching according to claim 1 and 2, is characterized in that, is provided with adjusting knob (9) on described blackboard eraser (2), and described adjusting knob (9) is for adjusting the distance between blackboard eraser (2) and blackboard (1).
5. free of contamination blackboard for teaching according to claim 1 and 2, is characterized in that, the two ends of described blackboard (1) are provided with travel switch, the stroke of described travel switch accessory drive (5).
6. free of contamination blackboard for teaching according to claim 1 and 2, is characterized in that, a side of described blackboard (1) is provided with control device, and described drive unit (5) is controlled by described control device.
7. free of contamination blackboard for teaching according to claim 6, is characterized in that, described control device adopts PLC circuit to control described drive unit (5) action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310454551.0A CN103507521A (en) | 2013-09-29 | 2013-09-29 | Pollution-free blackboard for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310454551.0A CN103507521A (en) | 2013-09-29 | 2013-09-29 | Pollution-free blackboard for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103507521A true CN103507521A (en) | 2014-01-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310454551.0A Pending CN103507521A (en) | 2013-09-29 | 2013-09-29 | Pollution-free blackboard for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103507521A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799383A (en) * | 2016-03-21 | 2016-07-27 | 中山中威照明科技有限公司 | Automatic clearing writing board |
| CN110154590A (en) * | 2018-04-17 | 2019-08-23 | 北京丰信达科技有限公司 | Family's blackboard that a kind of common chalk, dust-free chalk, water-color paintbrush are write |
-
2013
- 2013-09-29 CN CN201310454551.0A patent/CN103507521A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799383A (en) * | 2016-03-21 | 2016-07-27 | 中山中威照明科技有限公司 | Automatic clearing writing board |
| CN110154590A (en) * | 2018-04-17 | 2019-08-23 | 北京丰信达科技有限公司 | Family's blackboard that a kind of common chalk, dust-free chalk, water-color paintbrush are write |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140115 |
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| WD01 | Invention patent application deemed withdrawn after publication |