CN202826893U - Folding blackboard eraser - Google Patents
Folding blackboard eraser Download PDFInfo
- Publication number
- CN202826893U CN202826893U CN 201220549214 CN201220549214U CN202826893U CN 202826893 U CN202826893 U CN 202826893U CN 201220549214 CN201220549214 CN 201220549214 CN 201220549214 U CN201220549214 U CN 201220549214U CN 202826893 U CN202826893 U CN 202826893U
- Authority
- CN
- China
- Prior art keywords
- eraser
- folding
- boards
- blackboard eraser
- wiping
- 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 teaching tool, in particular to a folding blackboard eraser which comprises eraser boards and an eraser body fixedly connected on the lower surface of the eraser board. The folding blackboard eraser is characterized in that the number of the eraser boards is two, and grooves are arranged on side faces of the eraser boards. Pin shafts are arranged in the grooves, and the pin shafts of the two eraser blackboards are connected with each other through a spring. The folding blackboard eraser is simple in structure, convenient to use, and capable of folding and deforming, meeting requirements in different occasions, and being suitable for different crowds.
Description
Technical field
The utility model relates to a kind of teaching aid, specifically a kind of folding eraser.
Background technology
According to the breadth size of blackboard and the size of user's palm, people have different requirements to the volume size of blackboard eraser.Such as, lower pupil's palm is less, can't singlehandedly grasp wider blackboard eraser; But for the high school student, tiny blackboard eraser is not easy again to wipe clean blackboard, and roomy blackboard eraser better uses.In addition, for different blackboards, sometimes need tiny blackboard eraser also can clip the corner of blackboard.Existing blackboard eraser only has a size and can't be out of shape, and is not easy to use.
Summary of the invention
The purpose of this utility model provides a kind of folding eraser of simple in structure, easy to use, Foldable and deformable.
The utility model is that the technical scheme that the technical solution problem adopts is:
Folding eraser described in the utility model comprises wiping board and is fixedly connected on the rub body of wiping board lower surface, it is characterized in that: described wiping board has two, the side of wiping board is provided with groove, is provided with bearing pin in the described groove, is connected with spring between the bearing pin of two wiping boards.
After adopting technique scheme, this folding eraser is simple in structure, easy to use, and Foldable and deformable satisfies the needs of different occasions, adapts to different crowds.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is the A-A cutaway view of Fig. 1 embodiment.
The specific embodiment
As shown in drawings, folding eraser described in the utility model comprises wiping board 1 and is fixedly connected on the rub body 2 of wiping board 1 lower surface that it also can be hairbrush that described rub body 2 can make cavernous body.Described wiping board 1 has two, rectangular platy structure, and its four jiaos are adopted round-corner transition.The side of wiping board 1 is provided with groove 3, is provided with in the described groove 3 between the bearing pin 4 of bearing pin 4, two wiping boards 1 and is connected with spring 5.Spring 5 links together two wiping boards 1.Shown in Figure 2 such as Fig. 1, when the minor face of two wiping boards 1 was abutted together, this folding eraser was elongated strip, can make things convenient for the singlehanded grasp of the little people of hand, and can carry out wiping to the position, corner of blackboard; When folding, as long as with one of them wiping board 1 90-degree rotation, the long limit of two wiping boards 1 is abutted together, this folding eraser just becomes short and wide shape, be convenient to large hand and use, and because rub body 2 is generouser, wiping effect is better.
Claims (1)
1. folding eraser, comprise wiping board (1) and be fixedly connected on the rub body (2) of wiping board (1) lower surface, it is characterized in that: described wiping board (1) has two, the side of wiping board (1) is provided with groove (3), be provided with bearing pin (4) in the described groove (3), be connected with spring (5) between the bearing pin (4) of two wiping boards (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220549214 CN202826893U (en) | 2012-10-25 | 2012-10-25 | Folding blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220549214 CN202826893U (en) | 2012-10-25 | 2012-10-25 | Folding blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202826893U true CN202826893U (en) | 2013-03-27 |
Family
ID=47938667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220549214 Expired - Fee Related CN202826893U (en) | 2012-10-25 | 2012-10-25 | Folding blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202826893U (en) |
-
2012
- 2012-10-25 CN CN 201220549214 patent/CN202826893U/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: 20130327 Termination date: 20131025 |