CN202242653U - Labor-saving blackboard eraser - Google Patents
Labor-saving blackboard eraser Download PDFInfo
- Publication number
- CN202242653U CN202242653U CN 201120411446 CN201120411446U CN202242653U CN 202242653 U CN202242653 U CN 202242653U CN 201120411446 CN201120411446 CN 201120411446 CN 201120411446 U CN201120411446 U CN 201120411446U CN 202242653 U CN202242653 U CN 202242653U
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- CN
- China
- Prior art keywords
- blackboard eraser
- labor
- blackboard
- fixed
- utility
- 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 aim of the utility model is fulfilled in a way that: a labor-saving blackboard eraser is characterized by comprising a board body, a fixed frame, a guy rope and a clamping groove, wherein the clamping groove is fixed on the board body, and is connected with the blackboard eraser; the guy rope passes through the fixed frame, and is connected with the blackboard eraser; and the fixed frame is fixed on the upper part of the board body. Due to the adoption of the labor-saving blackboard eraser, lesson giving time can be further saved for teachers, labor force of teachers is saved, and a blackboard can be wiped cleanly.
Description
Technical field
The utility model relates to blackboard eraser, refers more particularly to a kind of laborsaving blackboard eraser.
Background technology
Blackboard all is the essential product of teaching all the time, is that old the use write resources material, so because the limited size of blackboard will be come wiping with blackboard eraser; The instrument that is used to erase the board at present mainly is that the mobile blackboard that hand is taken is wiped; The major defect of this blackboard eraser is: the blackboard after the wiping, stay a rule scratch, and teacher's labour intensity is big; And in the process that erases the board, dust from flying has a strong impact on the healthy of academics and students.
The blackboard eraser that teaching is at present used all is a kind of small-sized wooden blackboard eraser, and very time-consuming and strength wiping time the on class.
The utility model content
The purpose of the utility model is exactly can save unnecessary time and efforts at school the time, makes efficient on class higher.
The object of the invention comes to this and realizes:
A kind of laborsaving blackboard eraser is characterized in that, comprises a plate body, fixed mount, stay cord and draw-in groove; Said draw-in groove is fixed on the said plate body and connects blackboard eraser; Said stay cord passes fixed mount and is connected with blackboard eraser; Said fixed mount is fixed on the top of said plate body.
In an embodiment of the utility model, said blackboard eraser is provided with rag.
The laborsaving blackboard eraser of the utility model; Owing to adopted said structure; So teacher has saved the time that good length is used to erase the board especially in the time of at school, can also save the efficient that the higher lifting of the unnecessary muscle power of teacher is given a lesson simultaneously, realize the purpose of the utility model.
Description of drawings
Specify the utility model below in conjunction with the accompanying drawing and the specific embodiment:
Fig. 1 is the structural representation of the utility model.
The specific embodiment
For the technological means, the creation characteristics that make the utility model, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth the utility model:
Referring to Fig. 1; A kind of laborsaving blackboard eraser is characterized in that, comprises a plate body, fixed mount 2, stay cord 3 and draw-in groove 4; Said draw-in groove 4 is fixed on the plate body and blocks blackboard eraser 1; Stay cord 3 passes fixed mount 2 and ties up on blackboard eraser 1, on the blackboard eraser 1 wiper is arranged, and moves on blackboard through stay cord 3 pulling blackboard erasers 1 and just can chalk writing be removed.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention; The present invention also has various changes and modifications under the prerequisite that does not break away from spirit and scope of the invention, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (2)
1. a laborsaving blackboard eraser is characterized in that, comprises a plate body, fixed mount, stay cord and draw-in groove; Said draw-in groove is fixed on the said plate body and connects blackboard eraser; Said stay cord passes fixed mount and is connected with blackboard eraser; Said fixed mount is fixed on the top of said plate body.
2. according to the said laborsaving blackboard eraser of claim 1, it is characterized in that described blackboard eraser is provided with rag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120411446 CN202242653U (en) | 2011-10-25 | 2011-10-25 | Labor-saving blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120411446 CN202242653U (en) | 2011-10-25 | 2011-10-25 | Labor-saving blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202242653U true CN202242653U (en) | 2012-05-30 |
Family
ID=46103943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120411446 Expired - Fee Related CN202242653U (en) | 2011-10-25 | 2011-10-25 | Labor-saving blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202242653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973456A (en) * | 2018-06-29 | 2018-12-11 | 王小兰 | A kind of classroom instruction blackboard system of auto-erasing dust |
-
2011
- 2011-10-25 CN CN 201120411446 patent/CN202242653U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973456A (en) * | 2018-06-29 | 2018-12-11 | 王小兰 | A kind of classroom instruction blackboard system of auto-erasing dust |
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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: 20120530 Termination date: 20121025 |