CN202935045U - Foldable blackboard eraser - Google Patents
Foldable blackboard eraser Download PDFInfo
- Publication number
- CN202935045U CN202935045U CN 201220597694 CN201220597694U CN202935045U CN 202935045 U CN202935045 U CN 202935045U CN 201220597694 CN201220597694 CN 201220597694 CN 201220597694 U CN201220597694 U CN 201220597694U CN 202935045 U CN202935045 U CN 202935045U
- Authority
- CN
- China
- Prior art keywords
- eraser
- blackboard eraser
- blackboard
- utility
- model
- 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
Links
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to the field of teaching appliances, and in particular relates to a foldable blackboard eraser which comprises a first eraser, a second eraser and a third eraser, wherein one end of the first eraser is movably connected with one end of the second eraser through a connecting buckle; the other end of the second eraser is movably connected with one end of the third eraser through the connecting buckle; and an empty groove is formed on the bottom surface of the first eraser and is matched with the third eraser. The foldable blackboard eraser has the beneficial effects that the structure is simple, the use is convenient; and the size of the blackboard eraser can be adjusted well according to the blackboard area required to be erased, so that the time consumption is saved.
Description
Technical field
The utility model relates to the teaching aid field, particularly a kind of folding eraser.
Background technology
Blackboard eraser is one of teaching aid the most frequently used in teaching, when in writing process, when single word or small size picture are removed, need to now with the blackboard eraser of size, be removed.But the space of a whole page of imparting knowledge to students or do propaganda often all can large-arealy carry out blackboard writing, when the large tracts of land word is wiped, when at present blackboard eraser commonly used is removed, more time-consuming, effort, efficiency are lower.
The utility model content
For the defect existed in prior art, the purpose of this utility model is to provide a kind of folding blackboard to wipe.
For reaching above purpose, the technical scheme that the utility model is taked is:
A kind of folding eraser, comprise the first blackboard eraser, the second blackboard eraser, the 3rd blackboard eraser, one end of described the first blackboard eraser and an end of the second blackboard eraser are flexibly connected by junction button, one end of the other end of described the second blackboard eraser and the 3rd blackboard eraser is flexibly connected by junction button, described the first blackboard eraser bottom surface is dead slot, with the 3rd blackboard eraser, is used in conjunction with.
The beneficial effects of the utility model: simple in structure, easy to use, can be good at the size of according to the required area erased the board, regulating blackboard eraser, the energy of saving time.
The accompanying drawing explanation
The utility model has following accompanying drawing:
Fig. 1 structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of folding eraser, comprise the first blackboard eraser 1, the second blackboard eraser 2, the 3rd blackboard eraser 3, one end of one end of described the first blackboard eraser 1 and the second blackboard eraser 2 is flexibly connected by junction button 4, one end of the other end of described the second blackboard eraser 2 and the 3rd blackboard eraser 3 is flexibly connected by junction button 4, described the first blackboard eraser 1 bottom surface is dead slot 5, with the 3rd blackboard eraser 3, is used in conjunction with.
During use, when needs large tracts of land blackboard is removed, the first blackboard eraser 1, the second blackboard eraser 2 and the 3rd blackboard eraser 3 launch by turn buckle 4, increase the blackboard eraser area.In the time only need to carrying out small size or single character removing, at first the 3rd blackboard eraser 3 is gone back to below the second blackboard eraser 2, then the first blackboard eraser 1 is turned back, the dead slot 5 of the first blackboard eraser 1 bottom surface and the 3rd blackboard eraser 3 are agreed with.
Claims (1)
1. a folding eraser, comprise the first blackboard eraser (1), the second blackboard eraser (2), the 3rd blackboard eraser (3), it is characterized in that an end of described the first blackboard eraser (1) and an end of the second blackboard eraser (2) are flexibly connected by junction button (4), one end of the other end of described the second blackboard eraser (2) and the 3rd blackboard eraser (3) is flexibly connected by junction button (4), described the first blackboard eraser (1) bottom surface is dead slot (5), with the 3rd blackboard eraser (3), is used in conjunction with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220597694 CN202935045U (en) | 2012-11-07 | 2012-11-07 | Foldable blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220597694 CN202935045U (en) | 2012-11-07 | 2012-11-07 | Foldable blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202935045U true CN202935045U (en) | 2013-05-15 |
Family
ID=48319301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220597694 Expired - Fee Related CN202935045U (en) | 2012-11-07 | 2012-11-07 | Foldable blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202935045U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106379091A (en) * | 2016-09-12 | 2017-02-08 | 芜湖能盟信息技术有限公司 | Blackboard eraser structure |
| CN113665271A (en) * | 2021-08-31 | 2021-11-19 | 百色学院 | Display device for Chinese professional linguistics course |
-
2012
- 2012-11-07 CN CN 201220597694 patent/CN202935045U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106379091A (en) * | 2016-09-12 | 2017-02-08 | 芜湖能盟信息技术有限公司 | Blackboard eraser structure |
| CN113665271A (en) * | 2021-08-31 | 2021-11-19 | 百色学院 | Display device for Chinese professional linguistics course |
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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: 20130515 Termination date: 20131107 |