CN201362070Y - Novel chalk sleeve - Google Patents
Novel chalk sleeve Download PDFInfo
- Publication number
- CN201362070Y CN201362070Y CNU2009200188301U CN200920018830U CN201362070Y CN 201362070 Y CN201362070 Y CN 201362070Y CN U2009200188301 U CNU2009200188301 U CN U2009200188301U CN 200920018830 U CN200920018830 U CN 200920018830U CN 201362070 Y CN201362070 Y CN 201362070Y
- Authority
- CN
- China
- Prior art keywords
- chalk
- push rod
- sleeve
- novel
- novel chalk
- 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
Images
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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The utility model discloses a novel chalk sleeve, and belongs to the field of daily office appliances. The novel chalk sleeve comprises a sleeve body, wherein the front portion of the sleeve body is provided with a chalk placing groove, the tail portion of the sleeve body is provided with a push rod, the pus rod and the sleeve body are connected through a screw thread, and the front end of the push rod is arranged in the chalk placing groove. Compared with the prior art, the novel chalk sleeve has the characteristics of simple structure and convenient use, and avoids resource waste and the like.
Description
Technical field
The utility model relates to a kind of routine office work articles for use, and that especially a kind of novel chalk casing, this chalk sleeve have is simple in structure, easy to use, save characteristics such as resource.
Background technology
In the process of daily teaching, use chalk to write for a long time and be easy to hand skin is damaged, and chalk in use is easy to fracture, the back that fractures is because chalk is too short, and a lot of nibs are all directly thrown away, and have caused the waste of resource.
The utility model content
Technical assignment of the present utility model is to provide a kind of novel chalk casing at above-mentioned deficiency of the prior art.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of novel chalk casing comprises body, wherein, the body front portion is provided with the chalk standing groove, afterbody at body is provided with push rod, and push rod and body screw thread join, and the push rod front end is positioned at the chalk standing groove.
The beneficial effect that the utlity model has is:
1, simple in structure, cheap, simple to operate.
2, chalk is utilized to greatest extent, avoided the waste of resource.
Description of drawings
Accompanying drawing is a structural representation of the present utility model
The specific embodiment
With reference to Figure of description the utility model is done following detailed description the in detail:
As shown in the figure, the utility model comprises body 1, in the front portion of body 1 chalk standing groove 2 is arranged, and at the afterbody of body 1 push rod 3 is arranged, and wherein, push rod 3 joins by screw thread 4 and body 1, and the front end of push rod 3 exposes in the chalk standing groove 2.
Chalk is put into chalk standing groove 2, when chalk uses up, only need rotation push rod 3, make the elongation of push rod 3 front ends, will push away before the chalk simultaneously by screw thread 4, very easy to use.
Claims (1)
- A kind of novel chalk casing comprises body, it is characterized in that described body front portion is provided with the chalk standing groove, is provided with push rod at the afterbody of described body, and described push rod and body screw thread join, and described push rod front end is positioned at the chalk standing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200188301U CN201362070Y (en) | 2009-02-03 | 2009-02-03 | Novel chalk sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200188301U CN201362070Y (en) | 2009-02-03 | 2009-02-03 | Novel chalk sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201362070Y true CN201362070Y (en) | 2009-12-16 |
Family
ID=41472731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200188301U Expired - Fee Related CN201362070Y (en) | 2009-02-03 | 2009-02-03 | Novel chalk sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201362070Y (en) |
-
2009
- 2009-02-03 CN CNU2009200188301U patent/CN201362070Y/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: 20091216 Termination date: 20110203 |