CN2910615Y - Sleeve for chalk - Google Patents
Sleeve for chalk Download PDFInfo
- Publication number
- CN2910615Y CN2910615Y CN 200620091277 CN200620091277U CN2910615Y CN 2910615 Y CN2910615 Y CN 2910615Y CN 200620091277 CN200620091277 CN 200620091277 CN 200620091277 U CN200620091277 U CN 200620091277U CN 2910615 Y CN2910615 Y CN 2910615Y
- Authority
- CN
- China
- Prior art keywords
- chalk
- sleeve
- pen container
- outer sleeve
- wall
- 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
Landscapes
- Pens And Brushes (AREA)
Abstract
The utility model relates to a sleeve for chalk which comprises an outer sleeve with internal threads arranged on the internal wall of the outer sleeve, a chalk holder inside the outer sleeve with external threads arranged on the face wall of the chalk holder, wherein, the internal threads on the internal wall of the outer sleeve is in correspondence with the external threads on the face wall of the chalk holder. The utility model has the advantages of that the sleeve for chalk can be used with chalk to protect hands of teachers against pollution and improve the working environment of teacher with simple structure and easy use.
Description
Technical field the utility model relates to a kind of stationery, especially a kind of chalk sleeve.
Technical background is well-known, and when hand-held chalk write on blackboard, hand can be polluted by chalk.
The summary of the invention the purpose of this utility model be overcome above-mentioned said deficiency and provide a kind of can with the matching used chalk sleeve of chalk.
For achieving the above object, the utility model chalk sleeve comprises overcoat, for being provided with internal thread at outer casing inner wall, is provided with pen container in the overcoat, and the pen container surface wall is provided with external screw thread, and the internal thread of outer casing inner wall is corresponding with the external screw thread of pen container surface wall.
After adopting said structure, the internal thread of the outer casing inner wall of chalk sleeve is corresponding with the external screw thread of pen container surface wall, and chalk is located in the pen container and reaches flexible purpose by spiral.
The utility model has the advantages that: simple in structure, easy to use, can with chalk supporting use, avoided polluting teacher's hand, improved teacher's working environment.
Description of drawings Fig. 1 is the utility model chalk sleeve overall structure schematic diagram.
The specific embodiment such as Fig. 1 show, the utility model chalk sleeve comprises overcoat 1, for being provided with internal thread at overcoat 1 inwall, are provided with pen container 2 in the overcoat 1, and pen container 2 surface wall are provided with external screw thread, and the internal thread of overcoat 1 inwall is corresponding with the external screw thread of pen container 2 surface wall.The internal thread of the outer casing inner wall of chalk sleeve is corresponding with the external screw thread of pen container surface wall, and chalk is located in the pen container and reaches flexible purpose by spiral.
Claims (1)
1, a kind of chalk sleeve, comprise overcoat (1), it is characterized in that: be provided with internal thread at overcoat (1) inwall, be provided with pen container (2) in the overcoat (1), pen container (2) surface wall is provided with external screw thread, and the internal thread of overcoat (1) inwall is corresponding with the external screw thread of pen container (2) surface wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620091277 CN2910615Y (en) | 2006-06-01 | 2006-06-01 | Sleeve for chalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620091277 CN2910615Y (en) | 2006-06-01 | 2006-06-01 | Sleeve for chalk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2910615Y true CN2910615Y (en) | 2007-06-13 |
Family
ID=38132476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620091277 Expired - Fee Related CN2910615Y (en) | 2006-06-01 | 2006-06-01 | Sleeve for chalk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2910615Y (en) |
-
2006
- 2006-06-01 CN CN 200620091277 patent/CN2910615Y/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 |