CN202022013U - Multifunctional blackboard eraser - Google Patents
Multifunctional blackboard eraser Download PDFInfo
- Publication number
- CN202022013U CN202022013U CN2011200399437U CN201120039943U CN202022013U CN 202022013 U CN202022013 U CN 202022013U CN 2011200399437 U CN2011200399437 U CN 2011200399437U CN 201120039943 U CN201120039943 U CN 201120039943U CN 202022013 U CN202022013 U CN 202022013U
- Authority
- CN
- China
- Prior art keywords
- dovetail groove
- handle
- blackboard eraser
- cavity
- arc anti
- 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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Abstract
The utility model relates to a teaching tool, in particular to a multifunctional blackboard eraser, which is composed of an eraser body, inserting strips, a cavity with a downward opening and a dovetail groove, an arc anti-slipping handle, chalk grooves, a cover plate and hinges. The blackboard eraser is characterized in that the protruding inserting strips are arranged on two sides of the rectangular eraser body, the cavity with the downward opening and the dovetail groove is arranged inside the arc anti-slipping handle, the rectangular eraser body is inserted in the cavity with the downward opening and the dovetail groove in sleeve mode through the inserting strips, the hinges are arranged on one side of the handle, the cover plate is connected with the other sides of the hinges, and the two chalk grooves are arranged at the upper end of the arc anti-slipping handle. The multifunctional blackboard eraser is simple in structure and convenient to use and can carry a small amount of chalks, thereby being convenient to write public notices outdoors. The eraser body can be replaced, cleaned and used repeatedly, thereby being economical and excellent in blackboard-cleaning effect.
Description
Technical field
The utility model relates to a kind of educational aid, specifically a kind of multifunctional blackboard eraser.
Background technology
Now, the employed blackboard eraser of people in the teaching, its shortcoming is that the build hypertrophy is not attractive in appearance again, the handle slyness is difficult to hold and takes, and easy cleaning dust not, especially when writing the blackboard newspaper notice, needs band chalk and blackboard eraser two things to outdoor.So need a kind of novel multifunctional blackboard eraser of invention.
Summary of the invention
The purpose of this utility model is at the defective of existing blackboard eraser, and a kind of multifunctional blackboard eraser is provided.
The technical solution of the utility model is achieved in that multifunctional blackboard eraser, under shed cavity, arc Anti-slip handle, chalk groove, cover plate and hinge by rub body, cutting, band dovetail groove are formed, it is characterized in that: be provided with the cutting of projection two of rectangle rub bodies, in the arc Anti-slip handle, be provided with the following cavity of opening of band dovetail groove, the rectangle rub body overlaps in the under shed cavity that is inserted in the band dovetail groove by transplanting a cutting, one side of handle is equipped with hinge, the hinge another side connects lid, is provided with two chalk grooves in arc Anti-slip handle upper end.
The utility model has the advantages that: simple in structure, easy to use, multifunctional blackboard eraser can carry a small amount of chalk, the convenient outdoor announcement of writing, and rub body is replaceable to be cleaned or uses repeatedly, can realize saving, and it is good again to wipe clean blackboard effect.
Description of drawings
Fig. 1 is the utility model structural representation.
Among the figure: 1, rub body, 2, transplant a cutting, 3, the under shed cavity of band dovetail groove, 4, the arc Anti-slip handle, 5, the chalk groove, 6, cover plate, 7, hinge.
The specific embodiment
The utility model will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, multifunctional blackboard eraser is made up of under shed cavity, arc Anti-slip handle, chalk groove, cover plate and the hinge of rub body, cutting, band dovetail groove.It is characterized in that: be provided with the cutting 2 of projection 1 two of rectangle rub bodies, in arc Anti-slip handle 4, be provided with the under shed cavity 3 of band dovetail groove, the rectangle rub body overlaps in the under shed cavity 3 that is inserted in the band dovetail groove by transplanting a cutting, one side of handle is equipped with hinge 7, hinge 7 another sides connect lid 6, be provided with two chalk grooves 5 in arc Anti-slip handle 4 upper ends, be used for adorning chalk.
During use, multifunctional blackboard eraser handle lid 6 is opened, chalk is put into chalk groove 5, close the cover can the erasing blackboard.Use chalk as need, open the handle lid and take and get final product.Effectively solved people on outdoor wallboard, put up a notice need be in addition with the problem of chalk inconvenience.When the dirty erasing once again of below rub body, can extract that rub body cleans or more renew rub body out, use repeatedly, can realize saving, it is good again to wipe clean blackboard effect.
Claims (1)
1. multifunctional blackboard eraser, under shed cavity, arc Anti-slip handle, chalk groove, cover plate and hinge by rub body, cutting, band dovetail groove are formed, it is characterized in that: be provided with the cutting of projection two of rectangle rub bodies, in the arc Anti-slip handle, be provided with the following cavity of opening of band dovetail groove, the rectangle rub body overlaps in the under shed cavity that is inserted in the band dovetail groove by transplanting a cutting, one side of handle is equipped with hinge, and the hinge another side connects lid, is provided with two chalk grooves in arc Anti-slip handle upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200399437U CN202022013U (en) | 2011-02-16 | 2011-02-16 | Multifunctional blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200399437U CN202022013U (en) | 2011-02-16 | 2011-02-16 | Multifunctional blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202022013U true CN202022013U (en) | 2011-11-02 |
Family
ID=44846978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200399437U Expired - Fee Related CN202022013U (en) | 2011-02-16 | 2011-02-16 | Multifunctional blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202022013U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848829A (en) * | 2012-08-01 | 2013-01-02 | 济南蓝贝思特科技有限公司 | Split-type water absorbing blackboard eraser |
-
2011
- 2011-02-16 CN CN2011200399437U patent/CN202022013U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848829A (en) * | 2012-08-01 | 2013-01-02 | 济南蓝贝思特科技有限公司 | Split-type water absorbing blackboard eraser |
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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: 20111102 Termination date: 20120216 |