CN201068018Y - Environmental protection chalk container - Google Patents
Environmental protection chalk container Download PDFInfo
- Publication number
- CN201068018Y CN201068018Y CNU2007200211351U CN200720021135U CN201068018Y CN 201068018 Y CN201068018 Y CN 201068018Y CN U2007200211351 U CNU2007200211351 U CN U2007200211351U CN 200720021135 U CN200720021135 U CN 200720021135U CN 201068018 Y CN201068018 Y CN 201068018Y
- Authority
- CN
- China
- Prior art keywords
- chalk
- environmental protection
- casing
- tube
- telescopic pipe
- 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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- Pens And Brushes (AREA)
Abstract
The utility model relates to an environment-friendly chalk barrel. A concave-convex telescopic pipe (2) is arranged at the bottom of an outer casing, and the length of the concave-convex telescopic pipe (2) is about two thirds of the length of the entire environmental protection chalk barrel casing. A bottom is arranged at the bottom of the telescopic pipe (2), and the complete environmental protection chalk barrel is made of nontoxic rubber. During the using, the chalk is inserted from the top opening on the upper part (1) of the casing, the bottom is arranged at the bottom part of the concave-convex telescopic pipe (2), the chalk can not drop from the pipe, the upper part (1) of the casing is held by the thumb and the index finger, and the chalk can be pinched to be used for writing only with little force. The fingers are not polluted by the chalk power during the writing, the structure is simple, and the using is convenient.
Description
Affiliated technical field
The utility model relates to a kind of chalk tube, especially relates to a kind ofly entangling the environmental protection chalk tube that chalk is write.
Background technology
At present, when using chalk, mostly be directly to arrest chalk with hand to write, because finger directly contacts with chalk, the chalk powder can pollute on the finger when writing.
Summary of the invention
In order not make the chalk powder pollute finger, the utility model provides a kind of can entangle the environmental protection chalk tube that chalk is write.
The technical scheme that its technical problem that solves the utility model adopts is: concavo-convex telescoping tube is arranged in the bottom in the environmental protection chalk tube shell, and the length of concavo-convex telescoping tube accounts for 2/3rds of whole environmental protection chalk tube outer cover length.
The beneficial effects of the utility model are: when arresting chalk and writing, do not polluted finger by the chalk powder, and simple in structure, easy to use.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Accompanying drawing 1 is a structural representation of the present utility model.
1. shell upper among the figure, 2. concavo-convex telescoping tube.
The specific embodiment
In accompanying drawing 1, concavo-convex telescoping tube (2) is arranged in the bottom in the environmental protection chalk tube shell, and the length of concavo-convex telescoping tube (2) accounts for 2/3rds of whole environmental protection chalk tube outer cover length.Establish at the end concavo-convex telescoping tube (2) bottom, and environmental protection chalk tube all material is made with nontoxic rubber.During use, chalk is packed into from shell upper (1) top ports, concavo-convex telescoping tube (2) bottom is provided with the end, and chalk can not drop from the inside, holds shell upper (1) with thumb and forefinger, has write once firmly pinching chalk slightly.
Claims (1)
1. the environmental protection chalk tube is made of shell upper (1) and concavo-convex telescoping tube (2), and it is characterized in that: concavo-convex telescoping tube (2) is arranged in the bottom in the shell, and the length of concavo-convex telescoping tube (2) accounts for 2/3rds of whole environmental protection chalk tube outer cover length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200211351U CN201068018Y (en) | 2007-04-17 | 2007-04-17 | Environmental protection chalk container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200211351U CN201068018Y (en) | 2007-04-17 | 2007-04-17 | Environmental protection chalk container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201068018Y true CN201068018Y (en) | 2008-06-04 |
Family
ID=39489391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200211351U Expired - Fee Related CN201068018Y (en) | 2007-04-17 | 2007-04-17 | Environmental protection chalk container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201068018Y (en) |
-
2007
- 2007-04-17 CN CNU2007200211351U patent/CN201068018Y/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: 20080604 |