CN202847237U - Movable blackboard - Google Patents
Movable blackboard Download PDFInfo
- Publication number
- CN202847237U CN202847237U CN 201220534206 CN201220534206U CN202847237U CN 202847237 U CN202847237 U CN 202847237U CN 201220534206 CN201220534206 CN 201220534206 CN 201220534206 U CN201220534206 U CN 201220534206U CN 202847237 U CN202847237 U CN 202847237U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- movable part
- movable
- classroom
- pillar
- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
A movable blackboard is formed by three parts. A fixed part blackboard is in the middle and is fixed to a wall of a classroom, and two sides of the movable blackboard are two movable part blackboards. The inner side of each movable part blackboard is connected together with one side of the middle fixed blackboard through a hinge, a support column is installed on the outer side of each movable part blackboard, a pulley is installed on the lower portion of the pulley, the movable part blackboards can rotate with the axes of hinges at inner sides by means of support by the support columns, and students at two sides of the front row in the classroom can clearly see characters in the blackboard away from the students at appropriate angles.
Description
Technical field
The utility model relates to a kind of Reelable blackboard.
Background technology
The blackboard of at present middle and primary schools' use generally is an integral body, and regional at the majority of China at present, along with removing school and class, school is increasing, and class is more and more, and the student's quantity in the class is also more and more, and classroom or original classroom size, the student is merely able to toward the position, dais draw close, and the class that has reaches 60-80 people, and front-seat student is merely able to see the writing on oneself side and the middle blackboard, writing away from the blackboard of oneself side does not just see Chu, even cannot see.
Summary of the invention
In order to overcome the deficiency of existing whole blackboard, a kind of Reelable blackboard of special invention.
Technical scheme
This Reelable blackboard is comprised of three parts.A whole blackboard original is divided into three parts, and middle one is the standing part blackboard, and two on both sides are the movable part blackboards.With hinge the side of the inboard of movable part blackboard with middle standing part blackboard linked together, a pillar is installed below the outside of movable part blackboard, pulley is installed below the pillar, the movable part blackboard can be under the support of pillar take the hinge place of inboard as the axis rotation.
Beneficial effect
This Reelable blackboard can rotate easily, and the classmate of front-seat both sides, classroom can be seen clearly away from the writing on the blackboard of oneself side.
Description of drawings
Fig. 1:The whole figure outward appearance of Reelable blackboard
1. 2. 3. 4. 5. pulley of the pillar below the movable part blackboard outside of hinge of movable part blackboard of standing part blackboard
The specific embodiment
1, the standing part blackboard is fixed in the classroom metope.
2, inboard with the connection of standing part blackboard one side the movable part blackboard with hinge, movable part blackboard outside calcaneus branches post is fixed together, make the lucky movable support blackboard of height of pillar, when promoting the outside of movable part blackboard, the movable part blackboard can be rotated just take hinge one side as axis.
3, when the student at front row, classroom reflection did not see Chu away from the writing on the blackboard of oneself side, the teacher just can promote the outside of movable part blackboard, and front-seat student can be seen clearly away from the writing on the blackboard of oneself side from suitable angle.
Claims (1)
1. Reelable blackboard, a standing part blackboard that is fixed in the classroom metope in the middle of this Reelable blackboard, both sides are two movable part blackboards, with hinge the side of the inboard of movable part blackboard with middle standing part blackboard linked together, a pillar is installed below the outside of movable part blackboard, pulley is installed below the pillar, is it is characterized in that: the movable part blackboard is the axis rotation take the hinge place of inboard under the support of pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220534206 CN202847237U (en) | 2012-10-18 | 2012-10-18 | Movable blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220534206 CN202847237U (en) | 2012-10-18 | 2012-10-18 | Movable blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202847237U true CN202847237U (en) | 2013-04-03 |
Family
ID=47978471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220534206 Expired - Fee Related CN202847237U (en) | 2012-10-18 | 2012-10-18 | Movable blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202847237U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102991207A (en) * | 2012-12-13 | 2013-03-27 | 李佳凝 | Movable blackboard |
| CN104589857A (en) * | 2014-11-30 | 2015-05-06 | 陈伟群 | Folding blackboard |
-
2012
- 2012-10-18 CN CN 201220534206 patent/CN202847237U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102991207A (en) * | 2012-12-13 | 2013-03-27 | 李佳凝 | Movable blackboard |
| CN104589857A (en) * | 2014-11-30 | 2015-05-06 | 陈伟群 | Folding blackboard |
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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: 20130403 Termination date: 20151018 |
|
| EXPY | Termination of patent right or utility model |