CN201998697U - Multifunctional chalk eraser - Google Patents
Multifunctional chalk eraser Download PDFInfo
- Publication number
- CN201998697U CN201998697U CN2011200696433U CN201120069643U CN201998697U CN 201998697 U CN201998697 U CN 201998697U CN 2011200696433 U CN2011200696433 U CN 2011200696433U CN 201120069643 U CN201120069643 U CN 201120069643U CN 201998697 U CN201998697 U CN 201998697U
- Authority
- CN
- China
- Prior art keywords
- chalk eraser
- laser light
- eraser body
- batteries
- laser lamp
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a multifunctional chalk eraser, which comprises a chalk eraser body and bristles arranged at the bottom of the chalk eraser body. The chalk eraser body is provided with a laser light and a laser light switch; batteries are arranged in the chalk eraser body; the laser light, the laser light switch and the batteries are in series connection; and the batteries are dry batteries or rechargeable batteries. The multifunctional chalk eraser has the advantages that (1) the multifunctional chalk eraser comprises the chalk eraser body and the bristles, thereby having a wiping function, and (2) the chalk eraser body is provided with the laser light, the laser light switch and the batteries, so that a teacher can hold the chalk eraser with a hand and turn on the laser light switch during teaching, teaching content written on a backboard is indicated by light emitted by the laser light, and then students are helped to pay attention to the teaching content.
Description
Technical field
The utility model relates to a kind of teaching aid, particularly a kind of chalkboard eraser.
Background technology
Chalkboard eraser is as a kind of traditional teaching aid, its function singleness, and in addition literal, figure and the symbol write as by chalk that can only be used for that wiping writes on the blackboard, do not have other functions again.
Summary of the invention
Problem to be solved in the utility model is: provide a kind of multifunctional chalk that had not only had wiping function but also had a deixis to wipe.
In order to solve the problems of the technologies described above, multifunctional chalk of the present utility model is wiped, comprise chalkboard eraser body and the bristle of being located at chalkboard eraser body bottom, described chalkboard eraser body is provided with a laser lamp and a laser lamp switch, be provided with battery in the described chalkboard eraser body, described laser lamp, laser lamp switch and battery are in series.
Multifunctional chalk of the present utility model is wiped, and described battery is dry cell or rechargeable battery.
The beneficial effect that the utility model is obtained is: (1) comprises chalkboard eraser body and bristle, thereby has wiping function; (2) the chalkboard eraser body is provided with laser lamp, laser lamp switch and battery, in the process of teaching, but teacher's hand is taken chalkboard eraser, open machine-operated lamp switch, by the light that laser lamp sends the content of courses that book writes on the blackboard is indicated, to help student's all ears presentation session content.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is an electrical schematic diagram of the present utility model.
Among the figure: 1, battery, 2, the chalkboard eraser body, 3, the laser lamp switch, 4, laser lamp, 5, bristle.
The specific embodiment
As depicted in figs. 1 and 2, multifunctional chalk of the present utility model is wiped, comprise chalkboard eraser body 2 and the bristle 5 of being located at chalkboard eraser body 2 bottoms, described chalkboard eraser body 2 is provided with a laser lamp 4 and a laser lamp switch 3, be provided with battery 1 in the described chalkboard eraser body 2, described laser lamp 4, laser lamp switch 3 and battery 1 are in series; Described battery 1 is a dry cell.
Multifunctional chalk of the present utility model is wiped, and can carry out wiping by literal, figure and the symbol write as by chalk that 5 pairs of books of bristle write on the blackboard, thereby have wiping action; Simultaneously, can indicate the content of courses on the blackboard, listen to the teacher thereby help the student to focus one's attention on by the light that laser lamp 4 sends.
Multifunctional chalk of the present utility model is wiped, and described battery 1 is a rechargeable battery, and other structure is identical with embodiment 1 with usage.
The utility model is not limited to above-mentioned embodiment, and anyone should learn the structural change of making under enlightenment of the present utility model, every with the utlity model has identical or close technical scheme, all fall within the protection domain of the present utility model.
Claims (2)
1. a multifunctional chalk is wiped, comprise chalkboard eraser body (2) and be located at the bristle (5) of chalkboard eraser body (2) bottom, it is characterized in that: described chalkboard eraser body (2) is provided with a laser lamp (4) and a laser lamp switch (3), be provided with battery (1) in the described chalkboard eraser body (2), described laser lamp (4), laser lamp switch (3) and battery (1) are in series.
2. multifunctional chalk according to claim 1 is wiped, and it is characterized in that: described battery (1) is dry cell or rechargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200696433U CN201998697U (en) | 2011-03-17 | 2011-03-17 | Multifunctional chalk eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200696433U CN201998697U (en) | 2011-03-17 | 2011-03-17 | Multifunctional chalk eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201998697U true CN201998697U (en) | 2011-10-05 |
Family
ID=44701466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200696433U Expired - Fee Related CN201998697U (en) | 2011-03-17 | 2011-03-17 | Multifunctional chalk eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201998697U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108189598A (en) * | 2017-12-27 | 2018-06-22 | 张雨欣 | A kind of blackboard eraser |
-
2011
- 2011-03-17 CN CN2011200696433U patent/CN201998697U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108189598A (en) * | 2017-12-27 | 2018-06-22 | 张雨欣 | A kind of blackboard eraser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
Granted publication date: 20111005 Termination date: 20120317 |