CN201151279Y - Chalk jacket - Google Patents
Chalk jacket Download PDFInfo
- Publication number
- CN201151279Y CN201151279Y CNU2007203002184U CN200720300218U CN201151279Y CN 201151279 Y CN201151279 Y CN 201151279Y CN U2007203002184 U CNU2007203002184 U CN U2007203002184U CN 200720300218 U CN200720300218 U CN 200720300218U CN 201151279 Y CN201151279 Y CN 201151279Y
- Authority
- CN
- China
- Prior art keywords
- chalk
- casing
- hollow bolt
- pen cap
- 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
Links
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a chalk casing which comprises a casing (1). A hollow bolt (2) is positioned in the casing (1) via the thread connection. The inner cavity of the hollow bolt (2) is equipped with chalk. The chalk casing has the advantages that holding the chalk casing can avoid having chalk dust on the hand when teachers use the chalk to write, the chalk end can also be utilized and thereby reducing the wastage.
Description
Technical field
The utility model relates to the realia technical field, specifically a kind of chalk sleeve.
Background technology
When teacher used chalk on class, chalk dust sticked on hand easily, and is unclean, and chalk writes with regard to being inconvenient to little back, only throws away, and causes waste.
The utility model content
The purpose of this utility model is a kind of hand and also spendable chalk sleeve of chalk head can not made dirty when using chalk of design.
The utility model chalk sleeve comprises: the pen cap 1, the hollow bolt 2 that is threaded is arranged in the pen cap 1, and the interior chalk of putting in the air of hollow bolt 2, along with the propelling of screw thread, chalk constantly stretches out, and is convenient to write.
Chalk sleeve is achieved in that one in chalk is inserted hollow bolt that button moves hollow bolt, in the most of screw-in of the chalk pen cap, holds the pen cap and can write.
The advantage of the utility model chalk sleeve is: when teacher write with chalk, hand was taken the pen cap, can prevent to be stained with on hand chalk dust, and the chalk head also can use, and has reduced waste.
Description of drawings
Accompanying drawing is the chalk sleeve structural representation.
The specific embodiment
With reference to the accompanying drawings, the pen cap 1 has the hollow bolt 2 that is threaded in the pen cap 1, the interior chalk of putting in the air of hollow bolt 2, and along with the propelling of screw thread, chalk constantly stretches out, and is convenient to write.
Claims (1)
1, a kind of chalk sleeve comprises: the pen cap (1) is characterized in that: the hollow bolt (2) that is threaded is arranged, the interior chalk of putting of hollow bolt (2) in the pen cap (1) in the air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203002184U CN201151279Y (en) | 2007-12-20 | 2007-12-20 | Chalk jacket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203002184U CN201151279Y (en) | 2007-12-20 | 2007-12-20 | Chalk jacket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201151279Y true CN201151279Y (en) | 2008-11-19 |
Family
ID=40126958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203002184U Expired - Fee Related CN201151279Y (en) | 2007-12-20 | 2007-12-20 | Chalk jacket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201151279Y (en) |
-
2007
- 2007-12-20 CN CNU2007203002184U patent/CN201151279Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |