CN201833713U - Chalk economizing device - Google Patents
Chalk economizing device Download PDFInfo
- Publication number
- CN201833713U CN201833713U CN2010205848936U CN201020584893U CN201833713U CN 201833713 U CN201833713 U CN 201833713U CN 2010205848936 U CN2010205848936 U CN 2010205848936U CN 201020584893 U CN201020584893 U CN 201020584893U CN 201833713 U CN201833713 U CN 201833713U
- Authority
- CN
- China
- Prior art keywords
- chalk
- sleeve
- sleeve pipe
- wall
- economizing device
- 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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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model relates to a chalk economizing device, which belongs to the technical field of structures of teaching aids and comprises a chalk sleeve (1) with the shape matching with that of a chalk (6). A sleeve cap (2) is screwed at a sleeve mouth of the chalk sleeve (1) in a threaded manner, anti-skidding projections (3) are uniformly distributed on the inner wall of the chalk sleeve (1), a slide groove (4) is arranged on the side wall of the chalk sleeve (1), and a batten (5) which contacts with the wall of the chalk and used for fixing the chalk is inserted in the slide groove (4). The chalk economizing device is reasonable in structural design, can effectively prevent the chalk from polluting fingers of users, and can lead the chalk to be used sufficiently.
Description
Technical field
The utility model relates to a kind of chalk saveall, belongs to the teaching equipment technical field of structures.
Background technology
At present, chalk is an indispensable instrument in the teaching board, still, can produce pollute finger when holding chalk, and long-term use can make finger skin coarse, and chalk just can't use after using certain-length, and the chalk head can only abandon, and causes waste.
Summary of the invention
The purpose of this utility model is to solve the weak point that above-mentioned prior art exists, and a kind of reasonable in design is provided, and can effectively avoid the pollution of chalk to finger, and can make full use of the chalk saveall of chalk.
The utility model is achieved through the following technical solutions:
A kind of chalk saveall, its special character is to comprise the chalk sleeve pipe 1 that the profile with chalk 6 is complementary, the running-on place screw thread of chalk sleeve pipe 1 is connected with sleeve cap 2, be evenly equipped with anti-skidding protruding 3 on the inwall of chalk sleeve pipe 1, the sidewall of chalk sleeve pipe 1 is provided with chute 4, is plugged with in the chute 4 with the chalk wall and contacts, is used for fixing other press strip 5 of branch.
The utility model reasonable in design, convenient and practical, the chalk sleeve pipe can guarantee that finger is not polluted by chalk, sleeve cap can reduce the unnecessary wearing and tearing of chalk, anti-skidding projection and press strip can well be fixed in chalk in the chalk sleeve, and chalk is fully used up, effectively saved resource.
Description of drawings
Fig. 1: the structural representation of a kind of chalk saveall of the utility model.
Among the figure: 1, chalk sleeve pipe, 2, sleeve cap, 3, anti-skidding projection, 4, chute, 5, press strip, 6, chalk.
The specific embodiment
Provide the specific embodiment of the present utility model below with reference to accompanying drawing, be used for formation of the present utility model is described further.
A kind of chalk saveall of present embodiment, comprise the chalk sleeve pipe 1 that the profile with chalk 6 is complementary, the running-on place screw thread of chalk sleeve pipe 1 is connected with sleeve cap 2, be evenly equipped with anti-skidding protruding 3 on the inwall of chalk sleeve pipe 1, the sidewall of chalk sleeve pipe 1 is provided with chute 4, is plugged with in the chute 4 with the chalk wall and contacts, is used for fixing other press strip 5 of branch.
The present embodiment reasonable in design, convenient and practical, the chalk sleeve pipe can guarantee that finger is not polluted by chalk, sleeve cap can reduce the unnecessary wearing and tearing of chalk, anti-skidding projection and press strip can well be fixed in chalk in the chalk sleeve, and chalk is fully used up, effectively saved resource.
Claims (1)
1. chalk saveall, it is characterized in that comprising the chalk sleeve pipe (1) that the profile with chalk (6) is complementary, the running-on place screw thread of chalk sleeve pipe (1) is connected with sleeve cap (2), be evenly equipped with anti-skidding projection (3) on the inwall of chalk sleeve pipe (1), the sidewall of chalk sleeve pipe (1) is provided with chute (4), is plugged with in the chute (4) with the chalk wall and contacts, is used for fixing other press strip of branch (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205848936U CN201833713U (en) | 2010-10-20 | 2010-10-20 | Chalk economizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205848936U CN201833713U (en) | 2010-10-20 | 2010-10-20 | Chalk economizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201833713U true CN201833713U (en) | 2011-05-18 |
Family
ID=44003808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205848936U Expired - Fee Related CN201833713U (en) | 2010-10-20 | 2010-10-20 | Chalk economizing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201833713U (en) |
-
2010
- 2010-10-20 CN CN2010205848936U patent/CN201833713U/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: 20110518 Termination date: 20111020 |