CN2895083Y - Chalk cover - Google Patents
Chalk cover Download PDFInfo
- Publication number
- CN2895083Y CN2895083Y CN 200620091146 CN200620091146U CN2895083Y CN 2895083 Y CN2895083 Y CN 2895083Y CN 200620091146 CN200620091146 CN 200620091146 CN 200620091146 U CN200620091146 U CN 200620091146U CN 2895083 Y CN2895083 Y CN 2895083Y
- Authority
- CN
- China
- Prior art keywords
- chalk
- elastic ring
- circular cylinder
- cylindrical drum
- 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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- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
The utility model relates to a chalk cover. Two openings are provided at one end of a circular cylinder, an elastic ring is firmly fixed on surfaces of openings; above the elastic ring are positioned with two rubber pads; and the surface of the circular cylinder is pasted with one piece of cleansing cotton. When in use, a chalk is firstly inserted into the circular cylinder, with one head the chalk stretching out from one end of the circular cylinder, and then the chalk head is held firmly by sliding the elastic ring and finally writing may can be realized by blocking the rubber pads by finger. The utility model has the advantages of simple structure, convenience and practicability, nice appearance, novel style, easy carrying and storage, flexible operation and so on and not only maycan be used to ensure the hands of customers clean, utilize chalk heads effectively, save chalk resource, and but also maycan wipe black boards.
Description
Technical field the utility model relates to a kind of realia, and especially a kind of teacher of being convenient to uses the new-type chalk sleeve of chalk.
The technical background teacher must use chalk saying class hour, but chalk can stay a large amount of chalk dusts in use on hand, has grown that can to influence people healthy the time; And along with the length of service time, chalk length also shortens gradually, and these chalk heads use very inconvenient, if throw away and very unfortunate.In order to address the above problem, we provide a kind of new-type chalk sleeve.
The summary of the invention the purpose of this utility model provides a kind of chalk sleeve, is used to solve the problem that other apparatus can't effectively utilize the chalk head and can't protect user's hand hygiene.
For achieving the above object, the utility model chalk sleeve comprises a hollow cylindrical tube, and the slightly larger in diameter of cylindrical drum is in the chalk diameter; Offer two gap in cylindrical drum one end opening place correspondence, at the fastening elastic ring of gap surface of position; Two rubber blankets are set above elastic ring; Paste a cleaning cotton at the cylindrical drum surface longitudinal.
After adopting said structure, the user inserts chalk in the cylindrical drum, the chalk head is stretched out from an end that has gap, and it is fixing to tie tight with elastic ring, and write the position that two fingers of user are stuck in rubber blanket; After writing, can also use cleaning cotton to carry out wiping.
The utility model has the advantages that: simple in structure, convenient and practical, profile is exquisite, moulding is unique, be easy to carry and preservation, flexible operation, not only can protect user's hand hygiene but also can effectively utilize the chalk head, saves the chalk resource, can also be to blackboard wiping.
Description of drawings Fig. 1 is the overall structure schematic diagram of the utility model chalk sleeve.
The specific embodiment as shown in Figure 1, the utility model chalk sleeve comprises hollow cylindrical tube 1, cylindrical drum 1 slightly larger in diameter is in the chalk diameter; Offer two gap 2 in cylindrical drum 1 one end opening place correspondences, at the fastening elastic ring 3 of gap 2 surface of positions; Two rubber blankets 4 are set above elastic ring 3; Paste a cleaning cotton 5 at cylindrical drum 1 surface longitudinal.Wherein, cylindrical drum 1 adopts elastomeric material to make, and length is 6 centimetres; Two rubber blankets 4 are pasted in both sides in cylindrical drum 1, are stuck on the rubber blanket 4 with finger during use; Elastic ring 3 can slide on cylindrical drum 1.When using, the user inserts cylindrical drum 1 to chalk, and the chalk head stretches out from an end that has gap 2, and the elastic ring 3 that slides the then chalk head of tying tight, last user's only with hand refer to be stuck in can be controlled chalk and write on the rubber blanket 4; When clerical error, cleaning cotton 5 blackboard wipings on the also available cylindrical drum of user 1 surface replace blackboard eraser.
Claims (1)
1, a kind of chalk sleeve comprises hollow cylindrical tube (1), it is characterized in that: cylindrical drum (1) slightly larger in diameter is in the chalk diameter; Offer two gap (2) in cylindrical drum (1) one end opening place correspondence, at gap (2) the fastening elastic ring of surface of position (3); In elastic ring (3) top two rubber blankets (4) are set; Paste a cleaning cotton (5) at cylindrical drum (1) surface longitudinal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620091146 CN2895083Y (en) | 2006-05-30 | 2006-05-30 | Chalk cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620091146 CN2895083Y (en) | 2006-05-30 | 2006-05-30 | Chalk cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2895083Y true CN2895083Y (en) | 2007-05-02 |
Family
ID=38064664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620091146 Expired - Fee Related CN2895083Y (en) | 2006-05-30 | 2006-05-30 | Chalk cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2895083Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920617A (en) * | 2010-09-15 | 2010-12-22 | 珠海市俊凯机械科技有限公司 | Dustless chalk sleeve |
-
2006
- 2006-05-30 CN CN 200620091146 patent/CN2895083Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920617A (en) * | 2010-09-15 | 2010-12-22 | 珠海市俊凯机械科技有限公司 | Dustless chalk sleeve |
| CN101920617B (en) * | 2010-09-15 | 2013-03-06 | 成都松齐明科技有限公司 | Dustless chalk sleeve |
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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 |