CN204066498U - Blackboard for English teaching - Google Patents
Blackboard for English teaching Download PDFInfo
- Publication number
- CN204066498U CN204066498U CN201420449592.0U CN201420449592U CN204066498U CN 204066498 U CN204066498 U CN 204066498U CN 201420449592 U CN201420449592 U CN 201420449592U CN 204066498 U CN204066498 U CN 204066498U
- Authority
- CN
- China
- Prior art keywords
- prism
- backsheet layer
- black
- rotating shaft
- layer
- 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 kind of blackboard for English teaching, comprise the hyaline layer of rectangle, wall, backsheet layer, the front surface of backsheet layer is black, the top of backsheet layer has the through hole of rectangle, the prism that longitudinal section is equilateral triangle is provided with in through hole, two sides of prism are black, a side has equally spaced four white straight lines, remainder is black, prism both ends of the surface are provided with rotating shaft, rotating shaft is arranged in the bearing of backsheet layer two side, and a rotating shaft is through the sidewall of backsheet layer, and end is knob admittedly.Compared with prior art the utility model has following obvious advantage: when needs display four line lattice, rotate knob and control prism, make with four line lattice side forward, writing of demonstration word, when not needing display four line lattice, rotate knob and control prism, the side of black forward, do not need setting-out, easy to use.
Description
Technical field
The present invention relates to a kind of teaching aid of English teaching, be specifically related to a kind of blackboard for English teaching.
Background technology
Cannot avoid demonstrate write words, letter in English teaching, teacher usually will draw four line lattice on blackboard, existing many blackboards with picture four line lattice, but still wants on-the-spot setting-out, to lose time, chalk, needs not be and also will wipe.
Summary of the invention
The object of the invention is the deficiency existed for prior art, provide a kind of blackboard for English teaching.
The object of the invention is to be realized by following technological means:
Comprise the hyaline layer of rectangle, wall, backsheet layer, the front surface of backsheet layer is black, the top of backsheet layer has the through hole of rectangle, is provided with the prism that longitudinal section is equilateral triangle in through hole, and two sides of prism are black, a side has equally spaced four white straight lines, remainder is black, and prism both ends of the surface are provided with rotating shaft, and rotating shaft is arranged in the bearing of backsheet layer two side, one rotating shaft is through the sidewall of backsheet layer, and end is knob admittedly.
Compared with prior art the present invention has following obvious advantage: when needs display four line lattice, rotate knob and control prism, make with four line lattice side forward, writing of demonstration word, when not needing display four line lattice, rotate knob and control prism, the side of black forward, do not need setting-out, easy to use.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is left view of the present invention;
In figure, 1-hyaline layer, 2-backsheet layer, 3-prism, 301-straight line, 4-knob, 5-rotating shaft.
Embodiment
Illustrate that the present invention is described in further detail with embodiment below in conjunction with accompanying drawing:
Blackboard for English teaching as shown in the figure, comprise the hyaline layer 1 of rectangle, wall, backsheet layer 2, the front surface of backsheet layer 2 is black, the top of backsheet layer 2 has the through hole of rectangle, the prism 3 that longitudinal section is equilateral triangle is provided with in through hole, two sides of prism 3 are black, a side has equally spaced four white straight lines 301, remainder is black, prism 3 both ends of the surface are provided with rotating shaft 5, rotating shaft 5 is arranged in the bearing of backsheet layer 2 two side, and a rotating shaft 5 is through the sidewall of backsheet layer 2, and end is knob 4 admittedly.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (1)
1. blackboard for English teaching, it is characterized in that: the hyaline layer comprising rectangle, wall, backsheet layer, the front surface of described backsheet layer is black, the top of described backsheet layer has the through hole of rectangle, the prism that longitudinal section is equilateral triangle is provided with in described through hole, two sides of described prism are black, a side has equally spaced four white straight lines, remainder is black, described prism both ends of the surface are provided with rotating shaft, described rotating shaft is arranged in the bearing of described backsheet layer two side, rotating shaft described in one is through the sidewall of described backsheet layer, the solid knob of end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420449592.0U CN204066498U (en) | 2014-08-11 | 2014-08-11 | Blackboard for English teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420449592.0U CN204066498U (en) | 2014-08-11 | 2014-08-11 | Blackboard for English teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204066498U true CN204066498U (en) | 2014-12-31 |
Family
ID=52207958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420449592.0U Expired - Fee Related CN204066498U (en) | 2014-08-11 | 2014-08-11 | Blackboard for English teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204066498U (en) |
-
2014
- 2014-08-11 CN CN201420449592.0U patent/CN204066498U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20150811 |
|
| EXPY | Termination of patent right or utility model |