CN202278894U - Blackboard eraser - Google Patents
Blackboard eraser Download PDFInfo
- Publication number
- CN202278894U CN202278894U CN2011204241189U CN201120424118U CN202278894U CN 202278894 U CN202278894 U CN 202278894U CN 2011204241189 U CN2011204241189 U CN 2011204241189U CN 201120424118 U CN201120424118 U CN 201120424118U CN 202278894 U CN202278894 U CN 202278894U
- Authority
- CN
- China
- Prior art keywords
- chalk
- box body
- blackboard eraser
- plate body
- chalk box
- 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 discloses a blackboard eraser comprising a plate body. Bristles are arranged on one side of the plate body, a chalk box body is arranged on the other side of the plate body, a chalk storing opening is arranged on the upper part of the chalk box body, a chalk outlet is arranged at the lower part of the chalk box body, the chalk outlet is communicated with an end opening of a hollow rod, a plug is blocked at the other end opening of the hollow rod, and two inclined clapboards are arranged in the chalk box body. The blackboard eraser disclosed by the utility model is smartly combined with the chalk box, thus chalks can be conveniently and quickly taken out; and the blackboard eraser has a larger usage height and is suitable for shorter users due to the arrangement of the hollow rod.
Description
Technical field
The utility model relates to a kind of blackboard eraser.
Background technology
At present, blackboard eraser is often used in teacher's teaching.Wiping blackboard structure of the prior art is fairly simple; Form by a plate body and the bristle that is arranged on plate body one side; Only have the function of blackboard wiping, function ratio is more single, and when user of short and small stature needs the letter written with chalk of blackboard wiping eminence, has difficulties.
The utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of blackboard eraser.
Its technical solution is:
A kind of blackboard eraser; Comprise a plate body, be provided with bristle, be provided with the chalk box body at the opposite side of plate body in a side of plate body; Above the chalk box body, be provided with chalk and deposit mouth; Below the chalk box body, be provided with chalk outlet, chalk outlet is connected with a port of a hollow stem, in the shutoff of the another port of hollow stem stopper is arranged.
Further, in chalk box body set inside two tilt clapboards are arranged.
The useful technique effect of the utility model is:
The utility model combines blackboard eraser and chalk holder are ingenious, and the chalk of taking is more convenient, and the setting of hollow stem also makes blackboard eraser that higher use height has been arranged, and is fit to user of short and small stature and uses.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described further:
Fig. 1 is the overall structure sketch map of the utility model;
Fig. 2 is the structural representation of chalk box body.
The specific embodiment
In conjunction with accompanying drawing, a kind of blackboard eraser comprises a rectangle plate body 1, is provided with bristle 2 at the lower surface of plate body 1, is close to plate body 1 at the upper surface of plate body 1 and is provided with rectangle chalk box body 3, and the floor space of rectangle chalk box body 3 equates with the top surface area of plate body 1.Offer two chalks in a side right ends of chalk box body and deposit mouthfuls 4; Set inside at the chalk box body has two tilt clapboards 5; Opposite side and the position between two tilt clapboards at the chalk box body offer a chalk outlet 6, and chalk is deposited mouthfuls 4 and all is slightly larger than the sectional area of the butt end of chalk with the area of chalk outlet 6.Chalk outlet 6 is connected with a port of a hollow stem 7 again, in the shutoff of the another port of hollow stem 7 stopper 8 is arranged.When needs are taken chalk, only need stopper 8 is opened, chalk just can skid off automatically, and is convenient and swift.Hollow stem 7 is made up of the plurality of sections body of rod, and is scalable, and the length of the body of rod approximates the length of chalk.
Need to prove that under the instruction of this specification, any equivalents that those skilled in the art have done, or obvious variant all should be within the protection domains of the utility model.
Claims (2)
1. blackboard eraser; Comprise a plate body, be provided with bristle in a side of plate body, it is characterized in that: the opposite side at plate body is provided with the chalk box body; Above the chalk box body, be provided with chalk and deposit mouth; Below the chalk box body, be provided with chalk outlet, chalk outlet is connected with a port of a hollow stem, in the shutoff of the another port of hollow stem stopper is arranged.
2. a kind of blackboard eraser according to claim 1 is characterized in that: in chalk box body set inside two tilt clapboards are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204241189U CN202278894U (en) | 2011-10-31 | 2011-10-31 | Blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204241189U CN202278894U (en) | 2011-10-31 | 2011-10-31 | Blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202278894U true CN202278894U (en) | 2012-06-20 |
Family
ID=46225072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204241189U Expired - Fee Related CN202278894U (en) | 2011-10-31 | 2011-10-31 | Blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202278894U (en) |
-
2011
- 2011-10-31 CN CN2011204241189U patent/CN202278894U/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: 20120620 Termination date: 20121031 |