CN2032551U - Rotary dust-free blackboard - Google Patents
Rotary dust-free blackboard Download PDFInfo
- Publication number
- CN2032551U CN2032551U CN 88211795 CN88211795U CN2032551U CN 2032551 U CN2032551 U CN 2032551U CN 88211795 CN88211795 CN 88211795 CN 88211795 U CN88211795 U CN 88211795U CN 2032551 U CN2032551 U CN 2032551U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- dust
- free
- brush
- mandrel member
- 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.)
- Withdrawn
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses an improved novel rotary dust-free blackboard, which is the indispensable teaching tool in the teaching work. The board surface of the rotary dust-free blackboard is the nonpolar blackboard surface and can change over the board surface continuously, in order to adapt to the teachers having the different body height to write, and the blackboard can be written continuously and is convenient to watch. Compared with the common blackboard used in present, the blackboard can increase the board surface one time and save the teaching time of the teachers. The rotary dust-free blackboard is also provided with an automatic blackboard brush, and the handwriting can be erased when the blackboard passing. The dust is collected in a closed dust slot, and the utility model has the advantages of use sanitation, without polluting the environment and being helpful to the personal health of the teacher.
Description
The utility model relates to a kind of improved novel rotation dust-free blackboard, is must indispensable educational aid in the teaching.
In the educational aid that uses now, employed blackboard for education, the plate face is most to adopt serpentinous obscured glass to make, whole blackboard is made up of two blackboards that can move up and down, two blackboards are used alternatingly, and when using this blackboard, the writing of writing needs the people directly to wipe, air in the classroom is caused very big pollution, influence the healthy of teacher.Moreover blackboard is very poor to the adaptability of different heights, and blackboard upper end is too high when writing, and the lower end is low excessively, therefore, and needs that the blackboard that uses can not adapt teaching now.
In order to solve above-mentioned the deficiencies in the prior art, the utility model proposes a kind of rotation dust-free blackboard, this rotation dust-free blackboard comprises soft blackboard surface, framework, blackboard brush, coiling and lower mandrel member, the gluing of two ends up and down of blackboard surface together, form an electrodeless blackboard surface, be sleeved on coiling and the lower mandrel member, coiling and lower mandrel member are separately fixed at the upper and lower side of framework by rolling bearing, between coiling and lower mandrel member driving belt is housed, drive coiling and lower mandrel member and rotate together, thereby make blackboard panel rotate the change-over panel face, bottom in lower mandrel member, compress blackboard surface, the flute profile blackboard brush that a section is half garden shape be housed, when blackboard surface between lower mandrel member and the blackboard brush through out-of-date, the writing of writing is wiped, and chalk dust falls in the dust groove of sealing.
This rotation dust-free blackboard uses health, does not influence health of human body and contaminated environment, and adaptability is strong, is convenient to write and watch, and than the plate face that common existing blackboard doubles above, saves the time on teacher's the class.
As shown in drawings:
Fig. 1 is a front view of the present utility model
Fig. 2 is a side view of the present utility model
Fig. 3 is the plane outspread drawing of blackboard brush of the present utility model
Below, in conjunction with the accompanying drawings rotation dust-free blackboard of the present utility model is specifically explained, this rotates dust-free blackboard by blackboard surface (1), framework (2), blackboard brush (3), coiling (4), lower mandrel member (5), driving belt (6), hard plate (7), regulating wheel (8), ledge for chalk on blackboard (9), dust groove (10) and adjustment screw (11) are formed, blackboard surface (1) adopts people's sight line acceptable dirty-green flour milling plastics or rubber to manufacture, in order to increase its stretching resistance and to increase coefficient of friction, at the bonding one deck gummed of its quilt cover cloth, the gluing of two ends up and down of blackboard surface (1) together, form an electrodeless blackboard surface, be set in then on coiling (4) and the lower mandrel member (5), coiling (4) and lower mandrel member (5) are separately fixed at the upper and lower side of framework (2) by rolling bearing, make blackboard surface (1) tensioning by regulating wheel (8), fix a hard plate (7) in the front face back of blackboard surface (1), the front face of blackboard surface (1) is propped up, be convenient to write, it is the flute profile blackboard brush (3) of half garden shape that one section is housed in the bottom of lower mandrel member (5), compress blackboard surface (1), regulate gap between blackboard brush (3) and the blackboard surface (1) by adjustment screw (11), blackboard brush (3) is made up of the multiple tracks brush of mutual dislocation, form the groove that section is half garden shape, leave certain clearance between the twice brush, make the chalk dust of wiping from the gap, fall into dust groove (10), there is flange the both sides of dust groove (10), frame is on framework (2), can extract out, so that student on duty's cleaning.
Claims (3)
1, a kind of rotation dust-free blackboard of the usefulness of imparting knowledge to students, comprise blackboard surface (1), framework (2), coiling (4) and lower mandrel member (5), the two ends up and down that it is characterized in that blackboard surface (1) stick together, form an electrodeless blackboard surface, be sleeved on coiling (4) and the lower mandrel member (5), coiling (4) and lower mandrel member (5) are separately fixed at the upper and lower side of framework (2) by rolling bearing, bottom in lower mandrel member (5), there is a blackboard brush (3) to be fixed on the framework (2), blackboard brush (3) compresses blackboard surface (1) by adjustment screw (11) control, and regulating wheel (8) compresses blackboard surface (1), makes blackboard surface (1) tensioning.
2, rotation dust-free blackboard according to claim 1 is characterized in that blackboard brush (3) is made up of the multiple tracks brush of mutual dislocation, constitutes the groove that section is half garden shape.
3, rotation dust-free blackboard according to claim 1 is characterized in that blackboard surface adopts soft flour milling plastics of matter and rubber to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88211795 CN2032551U (en) | 1988-05-17 | 1988-05-17 | Rotary dust-free blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88211795 CN2032551U (en) | 1988-05-17 | 1988-05-17 | Rotary dust-free blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2032551U true CN2032551U (en) | 1989-02-15 |
Family
ID=4845171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88211795 Withdrawn CN2032551U (en) | 1988-05-17 | 1988-05-17 | Rotary dust-free blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2032551U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103818158A (en) * | 2014-03-12 | 2014-05-28 | 曹玉升 | Automatic character-erasing dedusting disc-shaped electric mechanical blackboard for teaching |
| CN103950320A (en) * | 2014-05-07 | 2014-07-30 | 常州工学院 | Rolling type white board |
| CN106364230A (en) * | 2016-09-20 | 2017-02-01 | 广东技术师范学院 | Full-automatic teaching blackboard |
| CN110154592A (en) * | 2018-03-15 | 2019-08-23 | 荆楚理工学院 | A kind of Full-automatic dust-free blackboard |
| CN110217023A (en) * | 2019-05-15 | 2019-09-10 | 谢陶明 | A kind of avoidable writing blackboard for writing curtain abrasion |
-
1988
- 1988-05-17 CN CN 88211795 patent/CN2032551U/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103818158A (en) * | 2014-03-12 | 2014-05-28 | 曹玉升 | Automatic character-erasing dedusting disc-shaped electric mechanical blackboard for teaching |
| CN103818158B (en) * | 2014-03-12 | 2015-06-24 | 商丘师范学院 | Automatic character-erasing dedusting disc-shaped electric mechanical blackboard for teaching |
| CN103950320A (en) * | 2014-05-07 | 2014-07-30 | 常州工学院 | Rolling type white board |
| CN103950320B (en) * | 2014-05-07 | 2016-02-03 | 常州工学院 | A kind of rolling type white board |
| CN106364230A (en) * | 2016-09-20 | 2017-02-01 | 广东技术师范学院 | Full-automatic teaching blackboard |
| CN110154592A (en) * | 2018-03-15 | 2019-08-23 | 荆楚理工学院 | A kind of Full-automatic dust-free blackboard |
| CN110217023A (en) * | 2019-05-15 | 2019-09-10 | 谢陶明 | A kind of avoidable writing blackboard for writing curtain abrasion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |