CN201961054U - Multifunctional blackboard eraser - Google Patents
Multifunctional blackboard eraser Download PDFInfo
- Publication number
- CN201961054U CN201961054U CN2011200050356U CN201120005035U CN201961054U CN 201961054 U CN201961054 U CN 201961054U CN 2011200050356 U CN2011200050356 U CN 2011200050356U CN 201120005035 U CN201120005035 U CN 201120005035U CN 201961054 U CN201961054 U CN 201961054U
- Authority
- CN
- China
- Prior art keywords
- teacher
- blackboard eraser
- fixed
- holding rod
- fixed plate
- 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
- 229920000742 Cotton Polymers 0.000 claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Images
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a multifunctional blackboard eraser which comprises a fixed plate and cleaning cotton. The cleaning cotton is adhered and fixed at the front side of the fixed plate. A reflector and an electronic watch are respectively adhered and fixed at the back of the fixed plate. The bottom surface of the fixed plate is provided with a telescopic hand holding rod. A regulating screw is arranged at a joint of the telescopic hand holding rod. When erasing a blackboard, a teacher can observe the actions of students behind the teacher through the reflector; when erasing the blackboard, the teacher can loosen the regulating screw and regulate the expansion amount of the telescopic hand holding rod according to the height of the teacher so as to ensure the length of the telescopic hand holding rod suitable for the height of the teacher; and in the process of giving a class, the teacher can master time through the electronic watch. The multifunctional blackboard eraser has the advantages of simple structure, convenience and practicality.
Description
Technical field:
The utility model relates to a kind of educational aid, especially a kind of multifunctional blackboard eraser.
Background technology:
Blackboard eraser is one of educational aid important in the school instruction, and existing blackboard eraser can only be used for blackboard wiping, and function singleness can not satisfy people's use needs.Particularly when teacher erases the board, students is owing to the supervision that breaks away from teacher is played some prank or other, influence quality of instruction, and existing blackboard eraser does not have and is convenient to the function that people take the time, in addition, for those teachers of short and small stature, chalk writing that at all can't the blackboard wiping top sometimes, these have all brought inconvenience to people.
Summary of the invention:
In order to overcome above-mentioned said deficiency, the utility model provides a kind of multifunctional blackboard eraser, in order to solve existing blackboard eraser function singleness, can not satisfy the problem of people's use needs.
For achieving the above object, the utility model multifunctional blackboard eraser, comprise fixed head and cleaning cotton, cleaning cotton is pasted and fixed on the fixed head front, paste fixed counter-mirror and electronic watch respectively at the fixed head back side, be provided with scalable hand-held pole in the bottom surface of fixed head, be provided with adjustment screw at the interface of scalable hand-held pole.
After adopting said structure, the teacher can observe student's action behind by reflective mirror when blackboard wiping, avoid the student to play some prank or other; The teacher can unclamp adjustment screw earlier when blackboard wiping, regulate the stroke of scalable hand-held pole according to oneself height, makes the length of scalable hand-held pole be fit to the height of oneself, tightens adjustment screw then, so that blackboard wiping; In the process, the teacher can take the time by electronic watch at school.
The utility model has the advantages that: simple in structure, convenient and practical, solved existing blackboard eraser function singleness effectively, can not satisfy the problem of people's use needs.
Description of drawings:
Fig. 1 is the utility model multifunctional blackboard eraser overall structure schematic diagram.
Among the figure: 1, fixed head 2, cleaning cotton 3, reflective mirror 4, electronic watch
5 scalable hand-held poles 6, adjustment screw
The specific embodiment:
As shown in Figure 1, a kind of multifunctional blackboard eraser, comprise fixed head 1 and cleaning cotton 2, cleaning cotton 2 is pasted and fixed on fixed head 1 front, paste fixed counter-mirror 3 and electronic watch 4 respectively at fixed head 1 back side, be provided with scalable hand-held pole 5 in the bottom surface of fixed head 1, be provided with adjustment screw 6 at the interface of scalable hand-held pole 5.
Claims (1)
1. multifunctional blackboard eraser, comprise fixed head (1) and cleaning cotton (2), it is characterized in that: cleaning cotton (2) is pasted and fixed on fixed head (1) front, paste fixed counter-mirror (3) and electronic watch (4) respectively at fixed head (1) back side, be provided with scalable hand-held pole (5) in the bottom surface of fixed head (1), be provided with adjustment screw (6) at the interface of scalable hand-held pole (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200050356U CN201961054U (en) | 2011-01-10 | 2011-01-10 | Multifunctional blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200050356U CN201961054U (en) | 2011-01-10 | 2011-01-10 | Multifunctional blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201961054U true CN201961054U (en) | 2011-09-07 |
Family
ID=44523589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200050356U Expired - Fee Related CN201961054U (en) | 2011-01-10 | 2011-01-10 | Multifunctional blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201961054U (en) |
-
2011
- 2011-01-10 CN CN2011200050356U patent/CN201961054U/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: 20110907 Termination date: 20120110 |