CN201432493Y - Chalk cap - Google Patents
Chalk cap Download PDFInfo
- Publication number
- CN201432493Y CN201432493Y CN2009200435883U CN200920043588U CN201432493Y CN 201432493 Y CN201432493 Y CN 201432493Y CN 2009200435883 U CN2009200435883 U CN 2009200435883U CN 200920043588 U CN200920043588 U CN 200920043588U CN 201432493 Y CN201432493 Y CN 201432493Y
- Authority
- CN
- China
- Prior art keywords
- chalk
- cap
- spring
- 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
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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The utility model relates to a cap, in particular to a chalk cap which comprises a cap and a spring. A concave groove is arranged near the opening end on the outside of the cylindrical wall of the cap. The spring is arranged at the bottom of the inside of the cap, and one end of the spring is fixed at the bottom of the cap. The utility model utilizes the cap to sheath the chalk, thereby the skinsdo not directly contact with the chalk, the injuries to the skins by chalk ash is avoided, and the chalk is not easily broken due to uniform integral pressure.
Description
Technical field
The utility model relates to a kind of external member, relates in particular to a kind of chalk sleeve.
Background technology
Class hour in school, teacher uses chalk to write on blackboard and gives lessons, and a class often will speckle with a lot of chalk dusts after finishing on hand, time has been grown easily skin has been worked the mischief, and newly chalk fractures when firmly writing easily, and what fracture is different in size, causes waste.
Summary of the invention
The technical problem that solves:
The utility model provides a kind of chalk sleeve, has solved the above-mentioned described skin contact chalk time to cause problems such as injury to skin, undue force cause fractureing after long easily.
The utility model is the technical solution problem by the following technical programs:
The utility model provides a kind of chalk sleeve, comprises the pen cap, spring, near open end concave groove is set in the cylindrical wall outside of the pen cap, and an end that is provided with spring, spring in the inside bottom of the pen cap is fixed on the bottom of the pen cap.
Chalk sleeve described in the utility model, the opening part of the described pen cap is provided with screw thread.
Chalk sleeve described in the utility model also comprises compressing tablet, and described compressing tablet is fixed on the other end spring with respect to pen cap bottom surface.
Beneficial effect
The utility model utilizes the pen cap to entangle chalk and makes skin directly not contact chalk, avoided the injury of chalk dust to skin, and makes the whole stressed evenly frangibility not of chalk.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
1 is the pen cap among its figure, and 2 is that spring, 3 is that compressing tablet, 4 is chalk.
The specific embodiment
Below in conjunction with description of drawings the utility model is further described:
1, a kind of chalk sleeve, comprise the pen cap 1, spring 2, near open end concave groove be set in the cylindrical wall outside of the pen cap 1, an end that is provided with spring 2, spring 2 in the inside bottom of the pen cap 1 is fixed on the bottom of the pen cap 1, the opening part of the described pen cap 1 is provided with screw thread, compressing tablet 3 is fixed on the other end spring 2 with respect to the pen cap 1 bottom surface, chalk is along being threaded in the pen cap 1 and extrusion spring 2, get final product after reserving the chalk head of enough writing, outwards screwing out chalk when writing inadequately can write once more.
Claims (3)
1, a kind of chalk sleeve, it is characterized in that: comprise the pen cap (1), spring (2), near open end concave groove be set in the cylindrical wall outside of the pen cap (1), an end that is provided with spring (2), spring (2) in the inside bottom of the pen cap (1) is fixed on the bottom of the pen cap (1).
2, chalk sleeve according to claim 1 is characterized in that: the opening part of the described pen cap (1) is provided with screw thread.
3, chalk sleeve according to claim 1 is characterized in that: also comprise compressing tablet (3), described compressing tablet (3) is fixed on the other end spring (2) with respect to the pen cap (1) bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200435883U CN201432493Y (en) | 2009-06-30 | 2009-06-30 | Chalk cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200435883U CN201432493Y (en) | 2009-06-30 | 2009-06-30 | Chalk cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201432493Y true CN201432493Y (en) | 2010-03-31 |
Family
ID=42051306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200435883U Expired - Fee Related CN201432493Y (en) | 2009-06-30 | 2009-06-30 | Chalk cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201432493Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108454270A (en) * | 2018-05-29 | 2018-08-28 | 湖州湖颖文具用品有限公司 | A kind of writing brush of high blotting amount |
-
2009
- 2009-06-30 CN CN2009200435883U patent/CN201432493Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108454270A (en) * | 2018-05-29 | 2018-08-28 | 湖州湖颖文具用品有限公司 | A kind of writing brush of high blotting amount |
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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: 20100331 Termination date: 20100630 |