CN202716602U - Automatic chalk - Google Patents
Automatic chalk Download PDFInfo
- Publication number
- CN202716602U CN202716602U CN 201220240310 CN201220240310U CN202716602U CN 202716602 U CN202716602 U CN 202716602U CN 201220240310 CN201220240310 CN 201220240310 CN 201220240310 U CN201220240310 U CN 201220240310U CN 202716602 U CN202716602 U CN 202716602U
- Authority
- CN
- China
- Prior art keywords
- chalk
- penholder
- automatic
- holder
- button
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to an automatic chalk, and belongs to teaching tools. The bottom end of a chalk holder is a conical opening, the chalk is arranged in the chalk holder, the top end of the chalk holder is provided with a push button, and the bottom of the push button is clamped with the chalk. The automatic chalk has the advantage and beneficial effect that because the chalk is arranged in the chalk holder, and the hand of a teacher does not directly touch the chalk, the injury caused by lime is avoided, the pollution caused by the chalk is avoided, and the automatic chalk is clean and sanitary.
Description
Technical field
The utility model belongs to a kind of teaching aid, particularly a kind of propelling chalk.
Background technology
Now teacher will use chalk when writing on the blackboard is write in teaching, and a class gets off, and has used a lot of chalks, and teacher's hand is dyed multiple color by various chalks, and chalk with teacher's hand do very dirty; In addition, chalk is made of lime, and lime also injures teacher's skin on hand.
The utility model content
The purpose of this utility model is to overcome above-mentioned defective, and a kind of propelling chalk is provided, and it is placed on chalk in the penholder, and teacher's hand does not directly contact chalk, can not injured by lime, can not polluted by chalk yet, and is both clean, again health.
The purpose of this utility model is achieved through the following technical solutions: a kind of propelling chalk, it is characterized in that: it comprises penholder and button, and the bottom of said penholder is tapered mouthful, and chalk is placed in the penholder, the top button installation of penholder, the bottom of button clamps chalk.
The lower end suit antislip ring of said penholder.
The upper lateral part of said penholder is installed hangers.
Advantage of the present utility model and beneficial effect are: chalk is placed in the penholder, and teacher's hand does not directly contact chalk, can not injured by lime, can not polluted by chalk yet, and is both clean, again health.
Description of drawings
Fig. 1 is the utility model structural representation.
Wherein: 1-penholder, tapered mouthful of 2-, 3-chalk, 4-button, 5-antislip ring, 6-hangers.
The specific embodiment
Embodiment: as shown in the figure, a kind of propelling chalk, it comprises penholder 1 and button 4, and the bottom of said penholder 1 is tapered mouthful 2, and chalk 3 is placed in the penholder 1, the top button installation 4 of penholder 1, the bottom of button 4 clamps chalk 3; The lower end suit antislip ring 5 of penholder 1; The upper lateral part of penholder 1 is installed hangers 6.
Claims (3)
1. propelling chalk, it is characterized in that: it comprises penholder and button, and the bottom of said penholder is tapered mouthful, and chalk is placed in the penholder, the top button installation of penholder, the bottom of button clamps chalk.
2. a kind of propelling chalk as claimed in claim 1 is characterized in that: the lower end suit antislip ring of said penholder.
3. a kind of propelling chalk as claimed in claim 1 is characterized in that: the upper lateral part installation hangers of said penholder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220240310 CN202716602U (en) | 2012-05-28 | 2012-05-28 | Automatic chalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220240310 CN202716602U (en) | 2012-05-28 | 2012-05-28 | Automatic chalk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202716602U true CN202716602U (en) | 2013-02-06 |
Family
ID=47618436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220240310 Expired - Fee Related CN202716602U (en) | 2012-05-28 | 2012-05-28 | Automatic chalk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202716602U (en) |
-
2012
- 2012-05-28 CN CN 201220240310 patent/CN202716602U/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: 20130206 Termination date: 20130528 |