CN204398649U - New type blackboard - Google Patents
New type blackboard Download PDFInfo
- Publication number
- CN204398649U CN204398649U CN201420360940.7U CN201420360940U CN204398649U CN 204398649 U CN204398649 U CN 204398649U CN 201420360940 U CN201420360940 U CN 201420360940U CN 204398649 U CN204398649 U CN 204398649U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- iron chains
- pulley
- hand member
- left end
- 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 new type blackboard, and it is made up of blackboard, pulley, iron chains, blackboard eraser; Blackboard left end and right-hand member are provided with pulley and iron chains, and front end is provided with blackboard eraser.The utility model can either conveniently be imparted knowledge to students, again can blackboard wiping fast, and structure is simple, easy to use, widely applicable.
Description
Technical field
The utility model relates to a kind of blackboard, especially a kind of new type blackboard.
Background technology
Blackboard not refers in particular to the plate face of black, traditional sense is said be it one can the plane of repeated writing, plate face is hard, is used for teaching.Plate face mostly is black, blackish green, white.Existing blackboard is mainly based on green plate plate face, and green plate plate face is blackish green, with chalk-writing, does not stimulate the eyes of people, is conducive to the protection of eyesight.Green plate plate face mostly is curved surface, prevents reflective, the student being sitting in each corner can be made also to see writing on the blackboard writing clearly, be applicable to most classroom.
Blackboard is divided into support portable plate, push-and-pull lifter plate, magnet board, Multifunctional combined board etc. according to structure.But existing blackboard eraser small volume, when blackboard wiping, needs the time of wiping longer, also have many blackboards to be provided with automatic cleaner, but great majority all needs driven by motor, can not economize energy.
Utility model content
In order to overcome the deficiency of above-mentioned existing blackboard, the purpose of this utility model is to provide a kind of new type blackboard, and its adopts and is provided with pulley at the left end of blackboard and right-hand member, and front end is provided with blackboard eraser.
The technical scheme adopted to realize the purpose of this utility model is: a kind of new type blackboard, is characterized in that: it is made up of blackboard, pulley, iron chains, blackboard eraser; Described blackboard is square shape, and left end and right-hand member are provided with pulley and iron chains, and front end is provided with blackboard eraser.
The beneficial effects of the utility model are: it can either conveniently be imparted knowledge to students, again can blackboard wiping fast, and structure is simple, easy to use, widely applicable.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Fig. 1 is the utility model structure chart
Fig. 2 is the utility model right view
Fig. 3 is the partial enlarged view of Fig. 1
1-blackboard, 2-pulley, 3-iron chains, 4-blackboard eraser in figure.
Detailed description of the invention
In the first embodiment shown in Fig. 1, Fig. 2, Fig. 3, a kind of new type blackboard, is characterized in that: it is made up of blackboard, pulley, iron chains, blackboard eraser; Described blackboard is square shape, and left end and right-hand member are provided with pulley and iron chains, and front end is provided with blackboard eraser.
In the second embodiment shown in Fig. 1, Fig. 2, Fig. 3, described pulley is set to four, is symmetricly set on left end and the right-hand member of blackboard, is connected by rotating shaft with blackboard; Described iron chains is a kind of ring chain, is set to two, to be connected with by two of blackboard right-hand member pulleys for being connected by two of blackboard left end pulleys respectively; Described blackboard eraser is square shape, and left end is connected with the iron chains of blackboard left end, and right-hand member is connected with the iron chains of blackboard right-hand member.
When using the utility model, first write on blackboard with chalk, when needs blackboard wiping, only need the upper and lower iron chains pulling blackboard left end or right-hand member, blackboard eraser just can be driven to move up and down, and wipe the letter written with chalk on blackboard, structure is simple, easy to use.
Claims (1)
1. a new type blackboard, is characterized in that: it is made up of blackboard, pulley, iron chains, blackboard eraser; Described blackboard is square shape, left end and right-hand member are provided with pulley and iron chains, front end is provided with blackboard eraser, and described pulley is set to four, is symmetricly set on left end and the right-hand member of blackboard, be connected with blackboard by rotating shaft, described iron chains is a kind of ring chain, is set to two, and described blackboard eraser is square shape, left end is connected with the iron chains of blackboard left end, and right-hand member is connected with the iron chains of blackboard right-hand member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420360940.7U CN204398649U (en) | 2014-07-02 | 2014-07-02 | New type blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420360940.7U CN204398649U (en) | 2014-07-02 | 2014-07-02 | New type blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204398649U true CN204398649U (en) | 2015-06-17 |
Family
ID=53422540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420360940.7U Expired - Fee Related CN204398649U (en) | 2014-07-02 | 2014-07-02 | New type blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204398649U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105730084A (en) * | 2016-05-13 | 2016-07-06 | 安庆师范学院 | Convenient-to-erase teaching blackboard |
-
2014
- 2014-07-02 CN CN201420360940.7U patent/CN204398649U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105730084A (en) * | 2016-05-13 | 2016-07-06 | 安庆师范学院 | Convenient-to-erase teaching 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20170702 |