CN2439374Y - Novel blackboard - Google Patents
Novel blackboard Download PDFInfo
- Publication number
- CN2439374Y CN2439374Y CN 00221355 CN00221355U CN2439374Y CN 2439374 Y CN2439374 Y CN 2439374Y CN 00221355 CN00221355 CN 00221355 CN 00221355 U CN00221355 U CN 00221355U CN 2439374 Y CN2439374 Y CN 2439374Y
- Authority
- CN
- China
- Prior art keywords
- blackboard
- utility
- model
- plate face
- vertical shaft
- 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 blackboard. The utility model is characterized in that a blackboard surface is made of windable soft material, and the left and the right ends of the blackboard surface are respectively wound on a rotatable vertical shaft. The vertical shafts are respectively arranged on a horizontal supporting board by a bearing, and one end of each vertical shaft is provided with a motor. Compared with the existing blackboard, the utility model is enlarged by times. The utility model has the advantages of reasonable and simple structural design, convenient installation and use, and no light reflection in use. The utility model is a novel practical blackboard.
Description
The utility model relates to a kind of blackboard.
At present, the blackboard that China's classroom instruction is used, common useful cement is made, and coats pitch-dark again: another kind is commonly made with frosted glass; The plate face of above-mentioned these blackboards is relatively all less.Also have a kind of big blackboard with two Reelable blackboards that can spur up and down, its plate face increases for aforementioned relatively two kinds to some extent, but plate face area still shows limited in its use.
The purpose of this utility model is: provide a kind of plate face can be around the axle move left and right, and the existing relatively blackboard of area can increase the new type blackboard of manyfold.
The technical solution that realizes the utility model purpose is such.
New type blackboard comprises the plate face, it is characterized in that: the plate face is the flexibility material that can reel, its two ends, left and right sides respectively winding on rotating vertical shaft, and can be with the rotation of vertical shaft move left and right; Two vertical shafts are located on the horizontal supporting plate by bearing respectively, and an end of two vertical shafts is provided with motor.
The utility model makes the plate face increase several trainings than existing blackboard owing to adopted the flexible board face that can reel, has made things convenient for the needs of teachers ' teaching.Being taken in the classroom, student's notes have not been remembered as yet, the teacher need take up the ball time service again, because the plate face can be retained in previous teacher's writing on the blackboard on the blackboard greatly, the rotating shaft teacher can carry out teaching writing with other plate face.The utility model reasonable in design, simple, easy to install and use.
Fig. 1 is the utility model structural representation.
Fig. 2 is the A-A cutaway view of Fig. 1.
Below in conjunction with accompanying drawing, the utility model is further described by embodiment.
As seen from Figure 1, this blackboard comprises plate face 1, vertical shaft 2 and motor 4.The flexibility material of plate face 1 for reeling, what the plate face 1 here used is navy blue cloth, wide about 110 centimetres, is about 400 centimetres.The two ends, the left and right sides of this plate face install around respectively on rotating vertical shaft 2, and can be with the rotation of vertical shaft 2 move left and right.Two vertical shafts are installed in respectively on the support plate 6 of bottom in the two bearing boxes 5 by bearing.The bottom of two vertical shafts 2 is installed with motor 4 respectively.Also installing around stay cord 7 on the vertical shaft 2, when having a power failure, pulling stay cord 7 vertical shafts 2 are promptly rotatable.
During use, on the plate face that launches, write earlier, when the plate face is write language of the Manchus word need movable plate face, start the motor 4 of vertical shaft 2 bottoms, left side, rotation by vertical shaft 2 drives plate face 1 and does moving horizontally from right to left, the plate face of writing full word is wound up on the vertical shaft 2 in left side, after the blank plate face shifts out, closes down motor 4.When all plate faces write full after, wipe the writing on the blackboard on the plate face 1, start the motor 4 on the right side vertical shaft 2, the plate face is moved from left to right, be wound up on the vertical shaft 2 on right side and can restart again to use.
Claims (1)
1, new type blackboard comprises the plate face, it is characterized in that: the plate face is the flexibility material that can reel, its two ends, left and right sides respectively winding on rotating vertical shaft, and can be with the rotation of vertical shaft move left and right; Two vertical shafts are located on the horizontal supporting plate by bearing respectively, and an end of two vertical shafts is provided with motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00221355 CN2439374Y (en) | 2000-08-09 | 2000-08-09 | Novel blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00221355 CN2439374Y (en) | 2000-08-09 | 2000-08-09 | Novel blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2439374Y true CN2439374Y (en) | 2001-07-18 |
Family
ID=33586260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00221355 Expired - Fee Related CN2439374Y (en) | 2000-08-09 | 2000-08-09 | Novel blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2439374Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114004A (en) * | 2016-07-12 | 2016-11-16 | 苏州和氏设计营造股份有限公司 | Electronic signature reel device |
| CN108230819A (en) * | 2018-03-15 | 2018-06-29 | 福州市长乐区三互信息科技有限公司 | A kind of calligraphy teaching device |
| CN108492668A (en) * | 2018-03-15 | 2018-09-04 | 福州市长乐区三互信息科技有限公司 | A kind of calligraphy teaching system |
-
2000
- 2000-08-09 CN CN 00221355 patent/CN2439374Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114004A (en) * | 2016-07-12 | 2016-11-16 | 苏州和氏设计营造股份有限公司 | Electronic signature reel device |
| CN108230819A (en) * | 2018-03-15 | 2018-06-29 | 福州市长乐区三互信息科技有限公司 | A kind of calligraphy teaching device |
| CN108492668A (en) * | 2018-03-15 | 2018-09-04 | 福州市长乐区三互信息科技有限公司 | A kind of calligraphy teaching system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |