CN103862951A - Movable blackboard - Google Patents
Movable blackboard Download PDFInfo
- Publication number
- CN103862951A CN103862951A CN201210533961.XA CN201210533961A CN103862951A CN 103862951 A CN103862951 A CN 103862951A CN 201210533961 A CN201210533961 A CN 201210533961A CN 103862951 A CN103862951 A CN 103862951A
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- CN
- China
- Prior art keywords
- blackboard
- movable
- parts
- movable part
- sides
- 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.)
- Pending
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- Drawing Aids And Blackboards (AREA)
Abstract
The invention provides a movable blackboard, comprising three parts. A fixed blackboard part is arranged in the middle of the blackboard and fixed on a wall of a classroom, and two movable blackboard parts are arranged on two sides. The inner sides of the movable blackboard parts are respectively connected with one side of the middle fixed blackboard part by hinges, a support column is arranged below the outer side of each movable blackboard part, a roller is arranged below each support column, and the movable blackboard parts can rotate by taking the hinges on the inner sides of the movable blackboard parts as axes under the support of the support columns, so that students on the two sides of front rows in the classroom can clearly see handwritings on the sides, far away from the students, of the blackboard at proper angles.
Description
Technical field
The present invention relates to a kind of Reelable blackboard.
Background technology
The blackboard that middle and primary schools are used at present, is generally an entirety, and at present in Chinese majority area, along with removing school class, school is increasing, and class is more and more, and the student's quantity in class is also more and more, and classroom or original classroom size, student is merely able to draw close toward dais position, and some classes reach 60-80 people, and front-seat student is merely able to see the writing on oneself side and 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 overall blackboard, a kind of Reelable blackboard of special invention.
technical scheme
This Reelable blackboard is made up of three parts.An original overall blackboard, be divided into three parts, middle one is standing part blackboard, two, both sides are movable part blackboards.The inboard of movable part blackboard is linked together with a side of middle standing part blackboard with hinge, a pillar is installed below the outside of movable part blackboard, pulley is installed below pillar, and movable part blackboard can the rotation taking inboard hinge place as axis under the support of pillar.
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.
Brief description of the drawings
The whole figure outward appearance of Reelable blackboard
1. 2. 3. 4. movable part blackboard outside 5. pulley of pillar below of hinge of movable part blackboard of standing part blackboard
Detailed description of the invention
1, standing part blackboard is fixed on classroom metope.
2, connect with standing part blackboard one side inboard movable part blackboard with hinge, outside movable part blackboard, calcaneus branches post is fixed together, make the lucky movable support blackboard of height of pillar, while promoting the outside of movable part blackboard, movable part blackboard can be rotated just taking hinge one side as axis.
3, in the time that the student reflection at front row, classroom does not see Chu away from writing on the blackboard of oneself side, teacher just can promote the outside of movable part blackboard, and front-seat student can be seen clearly away from the writing the blackboard of oneself side from suitable angle.
Claims (1)
1. a Reelable blackboard, in the middle of this Reelable blackboard, it is a standing part blackboard that is fixed on classroom metope, both sides are two movable part blackboards, the inboard of movable part blackboard is linked together with a side of middle standing part blackboard with hinge, a pillar is installed below the outside of movable part blackboard, pulley is installed below pillar, is it is characterized in that: movable part blackboard is the rotation taking inboard hinge place as axis under the support of pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210533961.XA CN103862951A (en) | 2012-12-12 | 2012-12-12 | Movable blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210533961.XA CN103862951A (en) | 2012-12-12 | 2012-12-12 | Movable blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103862951A true CN103862951A (en) | 2014-06-18 |
Family
ID=50902229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210533961.XA Pending CN103862951A (en) | 2012-12-12 | 2012-12-12 | Movable blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103862951A (en) |
-
2012
- 2012-12-12 CN CN201210533961.XA patent/CN103862951A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140618 |