CN202702971U - Multifunctional chalk - Google Patents
Multifunctional chalk Download PDFInfo
- Publication number
- CN202702971U CN202702971U CN 201220373252 CN201220373252U CN202702971U CN 202702971 U CN202702971 U CN 202702971U CN 201220373252 CN201220373252 CN 201220373252 CN 201220373252 U CN201220373252 U CN 201220373252U CN 202702971 U CN202702971 U CN 202702971U
- Authority
- CN
- China
- Prior art keywords
- chalk
- long cylinder
- multifunctional
- compasses
- ruler
- 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
Links
Abstract
The utility model relates to a teaching aid, in particular to a multifunctional chalk. The multifunctional chalk comprises a chalk body, and is characterized in that a long tube is sheathed outside the chalk body; the long tube is provided with a chute; the top part of the chalk body is provided with a push rod; the push rod is located in the chute; the long tube is provided with a ruler; and the top end of the long tube is respectively connected with compasses and a set square. The multifunctional chalk has the beneficial effects that chalk powder can be prevented from adhering to hands, and moreover, the chalk can be used up, and thereby, the waste is avoided. Meanwhile, the multifunctional chalk has functions of the ruler, the compasses and the set square, and thereby, great convenience is brought to teaching jobs.
Description
(1) technical field
The utility model relates to a kind of educational aid, particularly a kind of multifunctional chalk.
(2) background technology
Chalk is one of main indispensable instrument of teaching, all can do chalk powder on the other hand but be finished chalk at every turn, and use certain-length and just hold incessantly and cannot use, very waste, also very inconvenience.In addition, need to use the educational aids such as compasses, ruler, set square in the mathematical education, teacher will need these instruments at school the time simultaneously, carries inconvenience, uses also very inconvenience.Therefore, in order to solve these problems, invented a kind of multifunctional chalk that collects the several functions such as compasses, set square, ruler.
(3) summary of the invention
The utility model is in order to remedy the deficiencies in the prior art, provide a kind of simple in structure, easy to operate, avoid waste, time saving and energy saving, have a multifunctional chalk of compasses and ruler functions simultaneously.
The utility model is achieved by the following technical solution:
A kind of multifunctional chalk comprises the chalk body, it is characterized in that: described chalk body is socketed with long cylinder outward, is provided with chute on the long cylinder, and the chalk bodies top is provided with push rod, and push rod is positioned at chute; Be provided with ruler on the long cylinder, long cylinder top is connected with respectively compasses and set square.
Described long cylinder top is provided with blackboard eraser.
Described long cylinder lower external face is provided with Anti-slip cover.
The beneficial effects of the utility model are: can prevent that chalk powder from sticking to your hands, and will be finished fully respectively, prevent waste; The function that has simultaneously ruler, compasses and set square, it is greatly convenient to have brought to teaching.
(4) description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Accompanying drawing 1 is structural representation of the present utility model;
Among the figure, 1 chalk body, 2 long cylinders, 3 chutes, 4 push rods, 5 rulers, 6 compasses, 7 set squares, 8 blackboard erasers, 9 Anti-slip covers.
(5) specific embodiment
Accompanying drawing is a kind of specific embodiment of the present utility model.This embodiment comprises chalk body 1, and the chalk body 1 outer length cylinder 2 that is socketed with is provided with chute 3 on the long cylinder 2, and chalk body 1 top is provided with push rod 4, and push rod 4 is positioned at chute 3; Be provided with ruler 5 on the long cylinder 2, long cylinder 2 tops are connected with respectively compasses 6 and set square 7.Long cylinder 2 tops are provided with blackboard eraser 8.Long cylinder 2 lower external face are provided with Anti-slip cover 9.
Adopt a kind of multifunctional chalk of the present utility model, promote push rod 4, push rod 4 moves down along chute 3, and then drive chalk body 1 and expose the length that long cylinder 2 reaches oneself needs, then holding long cylinder 2 just can write, long cylinder 2 bottoms arrange Anti-slip cover 9, the stability when having guaranteed to write and comfortableness.Long cylinder 2 tops connect respectively compasses 6 and set square 7, and are provided with ruler 5 on the long cylinder 2, have the function of ruler, compasses and set square when writing, and are time saving and energy saving.Long cylinder 2 tops arrange blackboard eraser 8, turn when writing and can wipe at any time, and are convenient and practical.
Claims (3)
1. multifunctional chalk, comprise chalk body (1), it is characterized in that: the outer long cylinder (2) that is socketed with of described chalk body (1) is provided with chute (3) on the long cylinder (2), chalk body (1) top is provided with push rod (4), and push rod (4) is positioned at chute (3); Be provided with ruler (5) on the long cylinder (2), long cylinder (2) top is connected with respectively compasses (6) and set square (7).
2. a kind of multifunctional chalk according to claim 1 is characterized in that: described long cylinder (a 2) top is provided with blackboard eraser (8).
3. a kind of multifunctional chalk according to claim 1 is characterized in that: described long cylinder (a 2) lower external face is provided with Anti-slip cover (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220373252 CN202702971U (en) | 2012-07-31 | 2012-07-31 | Multifunctional chalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220373252 CN202702971U (en) | 2012-07-31 | 2012-07-31 | Multifunctional chalk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202702971U true CN202702971U (en) | 2013-01-30 |
Family
ID=47583305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220373252 Expired - Fee Related CN202702971U (en) | 2012-07-31 | 2012-07-31 | Multifunctional chalk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202702971U (en) |
-
2012
- 2012-07-31 CN CN 201220373252 patent/CN202702971U/en not_active Expired - Fee Related
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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: 20130130 Termination date: 20130731 |