CN2076033U - Teaching aid - Google Patents
Teaching aid Download PDFInfo
- Publication number
- CN2076033U CN2076033U CN 90210436 CN90210436U CN2076033U CN 2076033 U CN2076033 U CN 2076033U CN 90210436 CN90210436 CN 90210436 CN 90210436 U CN90210436 U CN 90210436U CN 2076033 U CN2076033 U CN 2076033U
- Authority
- CN
- China
- Prior art keywords
- teaching aid
- coated
- teaching
- utility
- writing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a teaching or presentation aid, particularly a full set of teaching aid for writing on blackboard. The teaching aid is characterized in that a plate body is coated with white paint, and then, is coated with back ink by a roller; a writing pen is made of a rubber or a flexible plastics. The teaching aid can be used for writing on board or presenting. After repeatedly used, the effect of the teaching aid is not decreased. The utility model replaces the existing teaching aids of blackboards, chalks and board wipers. The utility model has the advantages of no pollution and harm, clear writing display, simple structure, low cost, and convenient operation; the teaching aid can protect students' eyesight and is good for sanitation and health.
Description
The utility model relates to education or demonstration equipment, particularly a complete set of traditional instruction apparatus.
Traditional instruction is main means of personally instructing education, and long history is arranged, and in classroom instruction, the teacher only just can be shown to the student to a large amount of cultural knowledges and science and technology with a blackboard, piece of chalk, a blackboard eraser, benefits non-shallow.Yet, in teaching,, influence the person and environmental sanitation, and repeatedly writing of wooden blackboard descends the font visibility, causes student's myopia because the teachers and students' health of flying upward, give of chalk dust is brought very big infringement.In order to address this problem, the no dust chalk of appearance, dust-sucking eraser all can not be obtained good effect, and some advanced electronic teaching far can not be satisfied the needs of teaching owing to cost an arm and a leg.
The purpose of this utility model is exactly at above-mentioned deficiency, and a kind of a complete set of traditional instruction apparatus is provided, and makes it to avoid the evil of dust, improves visibility.
The utility model comprises plate body 1, lettering pen 5, be coated with and roll 4 etc., it is characterized in that the smooth plate body 1 transparent materials surface or the transparent material back side scribble white paint 2, it on by rubber or flexible plastic be coated with roll 4 evenly be coated with roll one deck free from extraneous odour, nontoxic, pollution-free, non-volatile, do not trickle, do not dry up, the black ink 3 of strong adhesion.
The purpose of this utility model is achieved in that on above-mentioned black ink 3 surfaces that scribble white paint 2 and do not dry up, carry out writing on the blackboard with rubber or plastic cap lettering pen 5, the black ink 3 of getting rid of the font part, expose white paint 2, stay black, white corresponding font on the plate face, visibility surpasses setting off of chalk and blackboard.When eliminating font, only needs employing to be coated with to roll 4 to use repeatedly.
The utility model is owing to be improvement on the plate face; Writing method is constant; adopt 2 brushings of white paint easy; black ink 3 can use repeatedly; so cost is still cheap, Writing method simply, particularly to avoiding the evil of dust, protection teachers and students physical and mental health; the protection student eyesight all has very big benefit, is particularly suitable for classroom instruction and uses, has favorable economic benefit and social benefit.
The utility model accompanying drawing is a floor map.
Wherein plate body 1, white paint 2, black ink 3, be coated with roll 4, lettering pen 5.
Embodiment:
It is nitroewnamel that plate body 1 adopts transparent grp, white paint 2, and black ink 3 is special black ink, is coated with to roll 4 for being with the handle rubber-surfaced roll, and lettering pen is the short pen of glue head.
Claims (3)
1, a kind of teaching aid comprises plate body 1, lettering pen 5, is coated with and rolls 4 etc., it is characterized in that the smooth plate body 1 transparent materials surface or the transparent material back side scribble white paint 2, rolls 4 and is coated with last layer black ink 3 by being coated with on it;
2, teaching aid according to claim 1 is characterized in that being coated with that to roll 4 Facing materials be rubber or flexible plastic;
3, teaching aid according to claim 1 is characterized in that lettering pen 5 nibs are rubber or flexible plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90210436 CN2076033U (en) | 1990-04-25 | 1990-04-25 | Teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90210436 CN2076033U (en) | 1990-04-25 | 1990-04-25 | Teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2076033U true CN2076033U (en) | 1991-05-01 |
Family
ID=4890346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90210436 Withdrawn CN2076033U (en) | 1990-04-25 | 1990-04-25 | Teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2076033U (en) |
-
1990
- 1990-04-25 CN CN 90210436 patent/CN2076033U/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |