CN203046613U - Blackboard for teaching - Google Patents
Blackboard for teaching Download PDFInfo
- Publication number
- CN203046613U CN203046613U CN 201220650627 CN201220650627U CN203046613U CN 203046613 U CN203046613 U CN 203046613U CN 201220650627 CN201220650627 CN 201220650627 CN 201220650627 U CN201220650627 U CN 201220650627U CN 203046613 U CN203046613 U CN 203046613U
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- China
- Prior art keywords
- lines
- frame
- blackboard
- utility
- model
- 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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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a blackboard for teaching, which comprises a blackboard body and a frame, wherein a wiping brush is arranged on an upper side of the frame; the frame is wrapped outside the blackboard body; a plurality of lines are arranged on the blackboard body; a switch for controlling the wiping brush is arranged on the frame; a space between each two adjacent lines is 10cm; and meanwhile, lines on a left side and a lower side of the blackboard body are respectively marked with length scales. The blackboard for teaching is simple in structure, convenient to wipe, convenient in drawing horizontal lines, perpendicular lines, rectangular coordinates and tables, and simple and convenient to operate, and has practicability.
Description
Technical field
The utility model relates to the teaching aid field, relates in particular to a kind of teaching blackboard.
Background technology
At present, in the teaching practice process, the teacher need draw horizontal line, vertical curve, rectangular co-ordinate figures at blackboard, be generally ruler and draw the used educational aid of these figures, still, when drawing these figures with ruler, owing to need locate to ruler, thereby drafting efficient is low.And the blackboard wiping need manually be carried out, and wastes time and energy.
The utility model content
At the deficiency that exists on the prior art, the utility model purpose is to be to provide a kind of simple in structure, is convenient to wiping, is convenient to draw horizontal line, vertical line, rectangular co-ordinate and form, and teaching blackboard easy and simple to handle.
For achieving the above object, the utility model proposes a kind of teaching blackboard, comprise plate body (1) and frame (2), described frame (2) upside is provided with wiping brush (4); Described frame (2) is wrapped in outside the described plate body (1).
As preferably, described plate body (1) is provided with some lines (3).
As preferably, described frame (2) is provided with the switch (5) of the described wiping brush of control (4).
As preferably, the spacing between the described lines (3) is 10 centimetres.
As preferably, the lines (3) that described plate body (1) left side and downside are provided with all indicate the length scale.
The beneficial effects of the utility model: the utility model is simple in structure, is convenient to wiping, is convenient to draw horizontal line, vertical line, rectangular co-ordinate and form, and easy and simple to handle, has practicality.
Description of drawings
Fig. 1 is structural representation of the present utility model;
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with the specific embodiment, further set forth the utility model.
With reference to Fig. 1, this specific embodiment by the following technical solutions: a kind of teaching blackboard, comprise plate body 1 and frame 2, described frame 2 upsides are provided with wiping brush 4; Described frame 2 is wrapped in outside the described plate body 1.
It should be noted that described plate body 1 is provided with some lines 3.
It should be noted that described frame 2 is provided with the switch 5 of the described wiping brush 4 of control.
It should be noted that the spacing between the described lines 3 is 10 centimetres.
In addition, the lines 3 that are provided with of described plate body 1 left side and downside all indicate the length scale.
The utility model brushes down mobile by gauge tap control wiping, so that thorough blackboard wiping.Simultaneously because frame left side and downside lines are equipped with scale, so can draw out horizontal line, vertical line, rectangular co-ordinate and form easily along lines.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a teaching blackboard comprises plate body (1) and frame (2), it is characterized in that, described frame (2) upside is provided with wiping brush (4); Described frame (2) is wrapped in outside the described plate body (1).
2. a kind of teaching blackboard according to claim 1 is characterized in that, described plate body (1) is provided with some lines (3).
3. a kind of teaching blackboard according to claim 1 is characterized in that, described frame (2) is provided with the switch (5) of the described wiping brush of control (4).
4. a kind of teaching blackboard according to claim 2 is characterized in that, the spacing between the described lines (3) is 10 centimetres.
5. a kind of teaching blackboard according to claim 1 is characterized in that, the lines (3) that described plate body (1) left side and downside are provided with all indicate the length scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220650627 CN203046613U (en) | 2012-11-21 | 2012-11-21 | Blackboard for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220650627 CN203046613U (en) | 2012-11-21 | 2012-11-21 | Blackboard for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203046613U true CN203046613U (en) | 2013-07-10 |
Family
ID=48729604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220650627 Expired - Fee Related CN203046613U (en) | 2012-11-21 | 2012-11-21 | Blackboard for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203046613U (en) |
-
2012
- 2012-11-21 CN CN 201220650627 patent/CN203046613U/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: 20130710 Termination date: 20131121 |