CN202448558U - Telescopic chalk case - Google Patents
Telescopic chalk case Download PDFInfo
- Publication number
- CN202448558U CN202448558U CN2012200335533U CN201220033553U CN202448558U CN 202448558 U CN202448558 U CN 202448558U CN 2012200335533 U CN2012200335533 U CN 2012200335533U CN 201220033553 U CN201220033553 U CN 201220033553U CN 202448558 U CN202448558 U CN 202448558U
- Authority
- CN
- China
- Prior art keywords
- chalk
- telescopic
- case
- chalk case
- tapered 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
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- Pens And Brushes (AREA)
Abstract
The utility model discloses a telescopic chalk case, belongs to a labor protection article and particularly relates to a chalk case used for teachers and students in classes. The telescopic chalk case is characterized in that a tapered sleeve A, a tapered sleeve B, a tapered sleeve C and a tapered sleeve D are sequentially sleeved into a whole from top to bottom to form the chalk case, and a chalk is sleeved in the tapered sleeve A which is arranged at the top end of the chalk case. The telescopic chalk case has the advantages that the tapered sleeves are mutually sleeved into a whole to form the telescopic chalk case, and the chalk is sleeved in the chalk case, so that users can optionally adjust the length of the chalk case according to the requirements, the defect that fingers of the teachers and the students are polluted by chalk powders when the teachers and the students hold chalks to write on the blackboard in classes is overcome due to the fact that the fingers of the teachers and the students are not directly contacted with the chalks, and the telescopic chalk case is good in environment benefits.
Description
Technical field
The utility model belongs to the give a lesson chalk sleeve of usefulness of a kind of articles for labour protection, particularly teacher.
Background technology
Chalk is present teacher, the classmates essential product of writing on the blackboard use on class, and teacher, classmates hold the chalk writing time and grown, and chalk powder pollutes teacher, classmates' finger, is easy to cause that the finger elephant skin are dry and cracked, makes troubles for teacher, classmates.
The utility model content
The deficiency of chalk ash pollution finger when using chalk in order to overcome; The purpose of the utility model provides a kind of telescopic chalk sleeve; This utility model can make teacher, classmates can use the chalk writing on the blackboard of giving a lesson flexibly, has alleviated the pollution of chalk powder to finger again.
The technical scheme that its technical problem of the utility model solution is taked is: a kind of telescopic chalk sleeve; It is characterized in that: described chalk sleeve is connected together successively from top to bottom by the jacket casing A that has tapering, jacket casing B, jacket casing C, jacket casing D and forms, and chalk sleeve is connected among the jacket casing A topmost.
The beneficial effect of the utility model is because the jacket casing that has tapering that connects together has each other been formed scalable chalk sleeve; With chalk sleeve in chalk sleeve; People are the length of regulated at will chalk sleeve as required; Thereby people's hand does not directly contact the generation of chalk powder pollution teacher, classmates' finger phenomenon when having overcome teacher, classmates and holding chalk and give a lesson writing on the blackboard with chalk owing to write, and has environmental benefit preferably.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Among the figure, 1. chalk, 2. jacket casing A, 3. jacket casing B, 4. jacket casing C, 5. jacket casing D.
The specific embodiment
The specific embodiment of the utility model is, and is as shown in the figure:
Embodiment 1, and a kind of telescopic chalk sleeve is characterized in that: described chalk sleeve is connected together successively from top to bottom by the jacket casing A (2) that has tapering, jacket casing B (3), jacket casing C (4), jacket casing D (5) and forms, and chalk (1) is socketed among the jacket casing A topmost.
Claims (1)
1. telescopic chalk sleeve, it is characterized in that: described chalk sleeve is connected together successively from top to bottom by the jacket casing A that has tapering, jacket casing B, jacket casing C, jacket casing D and forms, and chalk sleeve is connected among the jacket casing A topmost.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200335533U CN202448558U (en) | 2012-02-03 | 2012-02-03 | Telescopic chalk case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200335533U CN202448558U (en) | 2012-02-03 | 2012-02-03 | Telescopic chalk case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202448558U true CN202448558U (en) | 2012-09-26 |
Family
ID=46864448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200335533U Expired - Fee Related CN202448558U (en) | 2012-02-03 | 2012-02-03 | Telescopic chalk case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202448558U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105196741A (en) * | 2015-10-02 | 2015-12-30 | 刘乐凝 | Chalk with protecting bushes |
| CN105564091A (en) * | 2015-12-04 | 2016-05-11 | 刘宁 | Magnetic chalk sleeve |
-
2012
- 2012-02-03 CN CN2012200335533U patent/CN202448558U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105196741A (en) * | 2015-10-02 | 2015-12-30 | 刘乐凝 | Chalk with protecting bushes |
| CN105946397A (en) * | 2015-10-02 | 2016-09-21 | 刘乐凝 | Chalk protection sleeve |
| CN105196741B (en) * | 2015-10-02 | 2016-11-16 | 刘乐凝 | A kind of chalk of band sheath |
| CN105564091A (en) * | 2015-12-04 | 2016-05-11 | 刘宁 | Magnetic chalk sleeve |
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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: 20120926 Termination date: 20130203 |