CN202641149U - Device for alternating teaching blackboard and teaching whiteboard - Google Patents
Device for alternating teaching blackboard and teaching whiteboard Download PDFInfo
- Publication number
- CN202641149U CN202641149U CN 201220303251 CN201220303251U CN202641149U CN 202641149 U CN202641149 U CN 202641149U CN 201220303251 CN201220303251 CN 201220303251 CN 201220303251 U CN201220303251 U CN 201220303251U CN 202641149 U CN202641149 U CN 202641149U
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- blackboard
- teaching
- whiteboard
- utility
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Abstract
The utility model relates to a device for alternating teaching blackboard and teaching whiteboard, which is characterized by comprising a blackboard, a whiteboard, guide rails, pulleys and steel wire ropes, the device also comprises a blackboard fixing device, and inner sliding grooves are formed in the sides, close to the blackboard, of the guide rails,. Compared with common single blackboards, the device provided by the utility model has the advantages that the big teaching blackboard and the big teaching whiteboard are suspended by the guide rails, the pulleys and the steel wire ropes, and the blackboard and the whiteboard can alternately rise and fall under manual control. When one person needs to write with a piece of chalk, the blackboard is pulled down (the whiteboard simultaneously rises). When one person needs to write with a fountain pen, the whiteboard is pulled down (the blackboard simultaneously rises). The teaching whiteboard can be used as a projection screen in a teaching room. The device can bring convenience to the classroom teaching of teachers and improve teaching efficiency.
Description
Technical field
The utility model relates to a kind of trousers, particularly relates to a kind of energy and offers convenience to teacher's classroom instruction, improves the board of education device of deceiving, replacing in vain of efficiency of teaching.
Background technology
Electronic whiteboard is widely used in teaching, electronic whiteboard can be realized touch control operation, dust-free writing, random annotations and comments, the remote communication to computer, instant storage and " light is erasable " imaging mode of printing, can arbitrarily intercept and capturing image, uniqueness, media picture browsing, draw curtain, CAXA function, automatically record, storage, operated picture image.Electronic whiteboard is a kind of new teaching, presentation tool, has been applied to more and more the fields such as teaching, training, teleconference.But the situation that in existing place to operate schools, often can exist blackboard and electronic whiteboard to be used alternatingly; blackboard position in traditional classroom is fixed; electronic whiteboard can be installed on the blackboard, and the difficulty that electronic whiteboard is installed is strengthened, and affects the attractive in appearance of device layout in the classroom.
The tradition application mode is: blackboard, electronic whiteboard use respectively, have taken larger space, classroom, use inconvenience, have simultaneously separately dismounting of electronic whiteboard inconvenience, and chalk dust such as flies upward at the problem.
The utility model content
For the problems referred to above, main purpose of the present utility model is to provide a kind of and can offers convenience to teacher's classroom instruction, improves the board of education device of deceiving, replacing in vain of efficiency of teaching.
The utility model solves above-mentioned technical problem by following technical proposals: a kind of board of education device of deceiving, replacing in vain, the described board of education device of deceiving, replacing in vain comprises blackboard, blank, guide rail, pulley and steel wire rope, described blackboard connects with the steel wire rope of blank on being movably arranged on pulley, described blackboard and blank are installed in the guide rail, the described board of education device of deceiving, replacing in vain also comprises the fixture of blackboard, and described guide rail is provided with the inner slide groove near the there of blackboard.
Positive progressive effect of the present utility model is: the board of education device of deceiving, replacing in vain that the utility model provides has the following advantages: the board of education device of deceiving, replacing in vain that the utility model provides is compared with common single blackboard, be will deceive, each one of white large board of education hangs up by guide rail, pulley, steel wire rope, a kind of device that can manual alternatively up and down lifting.In the time of need to writing letter written with chalk, the blackboard of leaving behind (rising simultaneously blank); If write water-color paintbrush, the blank of then leaving behind (rising simultaneously blackboard).Teaching white board also can be used as projection screen in the classroom.The board of education device that can deceive, replaces in vain offers convenience for teacher's classroom instruction, improves efficiency of teaching.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the left view of Fig. 1.
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 concrete diagram, further set forth the utility model.
Fig. 1 is structural representation of the present utility model, Fig. 2 is the left view of Fig. 1, shown in Fig. 1-2: the board of education device of deceiving, replacing in vain that the utility model provides, comprise blackboard 2, blank 1, guide rail 3, pulley 4 and steel wire rope 5, blackboard 2 is connected with blank by being movably arranged on steel wire rope 5 connections on the pulley 4, blackboard 2 and blank 1 are installed in the guide rail 3, the described board of education device of deceiving, replacing in vain also comprises the fixture of blackboard 2, and guide rail 3 is provided with the inner slide groove near the there of blackboard 2.
Present classroom or use blackboard are used chalk-writing; The use blank is write with water-color paintbrush.Both can't be general, the inconvenience that causes sometimes teacher to impart knowledge to students.
A kind of board of education device of deceiving, replacing in vain is that each one of black, white large board of education is hung up by guide rail, pulley, steel wire rope, a kind of device that can manual alternatively up and down lifting.In the time of need to writing letter written with chalk, the blackboard of leaving behind (rising simultaneously blank); If write water-color paintbrush, the blank of then leaving behind (rising simultaneously blackboard).Teaching white board also can be used as projection screen in the classroom.
The board of education device that can deceive, replaces in vain offers convenience for teacher's classroom instruction, improves efficiency of teaching.
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; these changes and improvements all fall in claimed the utility model scope, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (1)
1. can deceive for one kind, the board of education device that replaces in vain, it is characterized in that: described deceiving, the board of education device that replaces in vain comprises blackboard (2), blank (1), guide rail (3), pulley (4) and steel wire rope (5), described blackboard (2) is connected 1 with blank) connect by the steel wire rope (5) that is movably arranged on the pulley (4), described blackboard (2) and blank (1) are installed in the guide rail (3), described deceiving, the board of education device that replaces in vain also comprises the fixture of blackboard (2), and described guide rail (3) is provided with the inner slide groove near the there of blackboard (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220303251 CN202641149U (en) | 2012-06-26 | 2012-06-26 | Device for alternating teaching blackboard and teaching whiteboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220303251 CN202641149U (en) | 2012-06-26 | 2012-06-26 | Device for alternating teaching blackboard and teaching whiteboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202641149U true CN202641149U (en) | 2013-01-02 |
Family
ID=47410306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220303251 Expired - Fee Related CN202641149U (en) | 2012-06-26 | 2012-06-26 | Device for alternating teaching blackboard and teaching whiteboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202641149U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722953A (en) * | 2013-12-26 | 2014-04-16 | 南通大学 | Full-automatic writing blackboard |
| CN107316509A (en) * | 2017-06-19 | 2017-11-03 | 谢艺明 | A kind of electronic blackboard of intelligent multi-function |
-
2012
- 2012-06-26 CN CN 201220303251 patent/CN202641149U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722953A (en) * | 2013-12-26 | 2014-04-16 | 南通大学 | Full-automatic writing blackboard |
| CN103722953B (en) * | 2013-12-26 | 2017-02-08 | 南通大学 | Full-automatic writing blackboard |
| CN107316509A (en) * | 2017-06-19 | 2017-11-03 | 谢艺明 | A kind of electronic blackboard of intelligent multi-function |
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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: 20130102 Termination date: 20130626 |