CN203110619U - Modified chalk sleeve - Google Patents
Modified chalk sleeve Download PDFInfo
- Publication number
- CN203110619U CN203110619U CN 201320148229 CN201320148229U CN203110619U CN 203110619 U CN203110619 U CN 203110619U CN 201320148229 CN201320148229 CN 201320148229 CN 201320148229 U CN201320148229 U CN 201320148229U CN 203110619 U CN203110619 U CN 203110619U
- Authority
- CN
- China
- Prior art keywords
- hollow cylinder
- chalk
- clamping piece
- elastic clamping
- elastic clip
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a modified chalk sleeve which comprises a hollow cylinder. A first elastic clamping piece and a second elastic clamping piece are arranged at one end of the hollow cylinder, and a blackboard eraser is arranged on the other end of the hollow cylinder. Due to the fact that the hollow cylinder is arranged, chalk can be contained in the hollow cylinder to use, and the hand cannot be polluted when the chalk is used. Due to the arrangement of the first elastic clamping piece and the second elastic clamping piece, the chalk is fixedly arranged in the hollow cylinder better, and the chalk is prevented from being broken easily. The arrangement of the blackboard eraser enables a user to carry out correction freely in a writing process, and cost is saved.
Description
Technical field
The utility model relates to a kind of teaching aid, relates to a kind of chalk sleeve specifically.
Background technology
Chalk is the important tool of teaching usefulness, but is made the influence of material, exists the shortcoming of dirty hand, frangibility, influences teacher's health, the waste public expense.
The utility model content
Problem to be solved in the utility model is at above problem, and is hand-dirtying-free when a kind of use is provided, and the improved chalk sleeve of frangibility not.
For addressing the above problem, the technical scheme that the utility model adopts is: improved chalk sleeve comprises a hollow cylinder, one end of described hollow cylinder is provided with first elastic clip and second elastic clip, and the other end of described hollow cylinder is provided with blackboard eraser.
The utility model is taked above technical scheme, has the following advantages: improved chalk sleeve, comprise, and a hollow cylinder, an end of described hollow cylinder is provided with first elastic clip and second elastic clip, and the other end of described hollow cylinder is provided with blackboard eraser; Because the setting of hollow cylinder, chalk is contained in the hollow cylinder, can dirty hand during use, because the setting of first elastic clip, second elastic clip, make chalk better be fixed in the hollow cylinder, prevent that chalk from fractureing easily, arranging of blackboard eraser can random changing in the process of writing, and saved cost.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Accompanying drawing is the structural representation of the utility model embodiment.
Among the figure: the 1-hollow cylinder; 11-first elastic clip; 12-second elastic clip; The 2-blackboard eraser.
The specific embodiment
Embodiment: improved chalk sleeve, comprise that a hollow cylinder 1, an end of described hollow cylinder 1 are provided with first elastic clip 11 and second elastic clip 12, the other end of described hollow cylinder 1 is provided with blackboard eraser 2; Because the setting of hollow cylinder 1, chalk is contained in the hollow cylinder, can dirty hand during use, because the setting of first elastic clip 11, second elastic clip 12, chalk better is fixed in the hollow cylinder 1, prevent that chalk from fractureing easily, arranging of blackboard eraser 2 can random changing in the process of writing, and saved cost.
Claims (1)
1. improved chalk sleeve is characterized in that: comprises, and a hollow cylinder, an end of described hollow cylinder is provided with first elastic clip and second elastic clip, and the other end of described hollow cylinder is provided with blackboard eraser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320148229 CN203110619U (en) | 2013-03-23 | 2013-03-23 | Modified chalk sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320148229 CN203110619U (en) | 2013-03-23 | 2013-03-23 | Modified chalk sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203110619U true CN203110619U (en) | 2013-08-07 |
Family
ID=48890995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320148229 Expired - Fee Related CN203110619U (en) | 2013-03-23 | 2013-03-23 | Modified chalk sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203110619U (en) |
-
2013
- 2013-03-23 CN CN 201320148229 patent/CN203110619U/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: 20130807 Termination date: 20140323 |