CN201240160Y - Chalk fixer - Google Patents
Chalk fixer Download PDFInfo
- Publication number
- CN201240160Y CN201240160Y CNU2008200687803U CN200820068780U CN201240160Y CN 201240160 Y CN201240160 Y CN 201240160Y CN U2008200687803 U CNU2008200687803 U CN U2008200687803U CN 200820068780 U CN200820068780 U CN 200820068780U CN 201240160 Y CN201240160 Y CN 201240160Y
- Authority
- CN
- China
- Prior art keywords
- chalk
- sleeve pipe
- screw rod
- utility
- sleeve
- 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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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The utility model discloses a chalk tool, which comprises a sleeve; a screw is arranged in the sleeve; and the screw is in fit with the sleeve. The chalk tool prevents the fingers from being in direct contact with the chalk and the chalk ends can be reused.
Description
Technical field
The utility model relates to a kind of chalk sleeve, especially a kind of can be with the chalk device that re-uses on the chalk headgear.
Background technology
The chalk head usually is dropped because being inconvenient to point hold writes, and chalk is directly taken with finger and write in addition, can stick the pen ash on the finger.
Summary of the invention
The purpose of this utility model will provide a kind of finger directly not contact chalk exactly, and the recycling chalk device of chalk head.
The purpose of this utility model is achieved in that a kind of chalk device, comprises sleeve pipe, is provided with screw rod in the sleeve pipe, and screw rod cooperates with sleeve pipe.
The utility model makes finger can directly not contact chalk, and the chalk head is utilized again owing to adopt said structure.
Description of drawings
Be described further below in conjunction with the drawings and specific embodiments.
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Structure of the present utility model comprises: a kind of chalk device, comprise sleeve pipe 1, and be provided with screw rod 2 in the sleeve pipe 1, screw rod 2 cooperates with sleeve pipe 1.
During use screw rod 2 rotation is retreated to sleeve pipe 1 part, with the chalk exposed portions serve chalk in the sleeve pipe 1 of packing into, tighten screw rod 2 fixedly chalk can write, when exposed portions serve was about to write, stubborn again screw rod 2 made chalk expose sleeve pipe, so repeatedly.Sleeve pipe 1 and screw rod 2 all can adopt plastics.
Claims (1)
1, a kind of chalk device comprises sleeve pipe (1), it is characterized in that: be provided with screw rod (2) in the sleeve pipe (1), screw rod (2) cooperates with sleeve pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200687803U CN201240160Y (en) | 2008-07-28 | 2008-07-28 | Chalk fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200687803U CN201240160Y (en) | 2008-07-28 | 2008-07-28 | Chalk fixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201240160Y true CN201240160Y (en) | 2009-05-20 |
Family
ID=40713449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200687803U Expired - Fee Related CN201240160Y (en) | 2008-07-28 | 2008-07-28 | Chalk fixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201240160Y (en) |
-
2008
- 2008-07-28 CN CNU2008200687803U patent/CN201240160Y/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: 20090520 |