CN201856496U - Dustless chalk sleeve - Google Patents
Dustless chalk sleeve Download PDFInfo
- Publication number
- CN201856496U CN201856496U CN2010205839265U CN201020583926U CN201856496U CN 201856496 U CN201856496 U CN 201856496U CN 2010205839265 U CN2010205839265 U CN 2010205839265U CN 201020583926 U CN201020583926 U CN 201020583926U CN 201856496 U CN201856496 U CN 201856496U
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- CN
- China
- Prior art keywords
- chalk
- dustless
- chalk sleeve
- sleeve pipe
- utility
- 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 dustless chalk sleeve which comprises a casing pipe and is characterized in that a rotatable base is arranged at the bottom of the casing pipe. Both sides of the casing pipe are provided with anti-skidding insection. The dustless chalk sleeve solves the problem that fingers contact plenty of dust when the chalk is used, and has the advantages of simple structure and convenient use.
Description
Technical field
The utility model belongs to a kind of office appliance, is specifically related to a kind of dustless chalk sleeve.
Background technology
Usually after office or imparting knowledge to students with chalk, can be stained with a large amount of dust on user's the finger, can produce injury, make the user produce sense of discomfort people's skin, therefore need a kind of skin of user of can avoiding directly to contact chalk, and the convenient device that uses.
Summary of the invention
In order to realize above-mentioned technical purpose, the utility model discloses a kind of dustless chalk sleeve, comprise sleeve pipe, it is characterized in that described sleeve bottom is provided with a rotatable pedestal, described sleeve pipe both sides are provided with anti-skidding groove.
As preferably, the described pen cap adopts transparent material to make.
By the rotatable pedestal of rotation Chalk cover bottom, regulate the height that chalk exposes sleeve pipe, the convenient use.And the use transparent material, more convenient user observes the situation that chalk uses.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
In order to make the technical solution of the utility model and technical purpose be easier to understand, the utility model is further introduced below in conjunction with drawings and the specific embodiments:
A kind of dustless chalk sleeve comprises sleeve pipe 1, is provided with a rotatable pedestal 2 in described sleeve pipe 1 bottom, by rotating basis, regulates the height of chalk, and described sleeve pipe 1 both sides are provided with anti-skidding groove, and the described pen cap adopts lucite to make.
Below disclose the utility model with preferred embodiment, so it is not in order to restriction the utility model, and all employings are equal to replaces or technical scheme that the equivalent transformation mode is obtained, all drops within the protection domain of the present utility model.
Claims (2)
1. a dustless chalk sleeve comprises sleeve pipe (1), it is characterized in that described sleeve pipe (1) bottom is provided with a rotatable pedestal (2), and described sleeve pipe (1) both sides are provided with anti-skidding groove.
2. a kind of dustless chalk sleeve according to claim 1, its feature in: the described pen cap adopts transparent material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205839265U CN201856496U (en) | 2010-10-31 | 2010-10-31 | Dustless chalk sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205839265U CN201856496U (en) | 2010-10-31 | 2010-10-31 | Dustless chalk sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201856496U true CN201856496U (en) | 2011-06-08 |
Family
ID=44102312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205839265U Expired - Fee Related CN201856496U (en) | 2010-10-31 | 2010-10-31 | Dustless chalk sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201856496U (en) |
-
2010
- 2010-10-31 CN CN2010205839265U patent/CN201856496U/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: 20110608 Termination date: 20111031 |