CN204440681U - Teaching Special dustless blackboard - Google Patents
Teaching Special dustless blackboard Download PDFInfo
- Publication number
- CN204440681U CN204440681U CN201520155290.7U CN201520155290U CN204440681U CN 204440681 U CN204440681 U CN 204440681U CN 201520155290 U CN201520155290 U CN 201520155290U CN 204440681 U CN204440681 U CN 204440681U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- lanyard
- frame
- blackboard frame
- triangulum
- 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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Abstract
The open a kind of teaching Special dustless blackboard of the utility model, comprises liquid crystal touch screen plate face, blackboard frame, blackboard suspension circle, lanyard, link, lanyard withdrawal tape, on & off switch, clear key, Triangulum, the pen cap; Liquid crystal touch screen plate face is arranged at blackboard central authorities, and surrounding is equipped with blackboard frame; Blackboard hangs the two ends that circle is arranged at the blackboard frame on top; Lanyard two ends and blackboard hang circle and are fixed together, and lanyard passes in the middle of link; Lanyard withdrawal tape is arranged on lanyard, for regulating the length of lanyard; On & off switch is arranged at the left side of the blackboard frame of bottom, and clear key is arranged at the right side of the blackboard frame of bottom; Triangulum is arranged at the two ends of the blackboard frame of bottom; The pen cap is arranged at the centre of the blackboard frame of bottom; This structure is simple, and environmental protection, highly sensitive, easy to use, practical, long service life, is applicable to promoting the use of.
Description
Technical field
The utility model relates to a kind of teaching aid of teaching field, particularly relates to a kind of teaching Special dustless blackboard.
Background technology
Blackboard not refers in particular to the plate face of black, traditional sense is said it be one can the plane of repeated writing, plate face is hard, is used for teaching.Make with plank or ground glass etc., can to write above with specific writing materials such as chalks.Mostly be black, blackish green, white.
Current blackboard generally writes on blackboard with chalk, but Long-Time Service chalk is imparted knowledge to students on blackboard, and chalk powder can cause certain injury to the respiratory tract of teacher.For making up the deficiencies in the prior art, the utility model aims to provide a kind of teaching Special dustless blackboard.
Utility model content
For making up the deficiencies in the prior art, the utility model aims to provide a kind of teaching Special dustless blackboard.
For realizing this technical purpose, scheme of the present utility model is: teaching Special dustless blackboard, comprises liquid crystal touch screen plate face, blackboard frame, blackboard suspension circle, lanyard, link, lanyard withdrawal tape, on & off switch, clear key, Triangulum, the pen cap; Liquid crystal touch screen plate face is arranged at blackboard central authorities, and surrounding is equipped with blackboard frame; Blackboard hangs the two ends that circle is arranged at the blackboard frame on top; Lanyard two ends and blackboard hang circle and are fixed together, and lanyard passes in the middle of link; Lanyard withdrawal tape is arranged on lanyard, for regulating the length of lanyard; On & off switch is arranged at the left side of the blackboard frame of bottom, and clear key is arranged at the right side of the blackboard frame of bottom; Triangulum is arranged at the two ends of the blackboard frame of bottom; The pen cap is arranged at the centre of the blackboard frame of bottom.
Further, liquid crystal touch screen plate face specification is 1.20 meters * 0.60 meter * 0.02 meter; Blackboard frame is provided with four, upper and lower, left and right frame, and wherein four frames are all provided with the protection glued membrane of anticollision; Blackboard hangs circle, Triangulum is respectively provided with two; Pen cap built-in magnetic special pens.
Further, blackboard inner face is provided with power lead and attaching plug; The blackboard frame of Triangulum, the pen cap and bottom is fixed by screw.
The utility model effect: teaching Special dustless blackboard adopts magnetic pen to write the technology producing word in liquid crystal touch screen plate face, stops the appearance of chalk powder, prevents the injury that chalk powder can cause the respiratory tract of teacher; This structure is simple, and environmental protection, highly sensitive, easy to use, practical, long service life, is applicable to promoting the use of.
Accompanying drawing explanation
Fig. 1 is whole interior structural representation of the present utility model;
Wherein: liquid crystal touch screen plate face 1, blackboard frame 2, blackboard hang circle 3, lanyard 4, link 5, lanyard withdrawal tape 6, on & off switch 7, clear key 8, Triangulum 9, the pen cap 10.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, teaching Special dustless blackboard, comprises liquid crystal touch screen plate face, blackboard frame, blackboard suspension circle, lanyard, link, lanyard withdrawal tape, on & off switch, clear key, Triangulum, the pen cap; Liquid crystal touch screen plate face is arranged at blackboard central authorities, and surrounding is equipped with blackboard frame; Blackboard hangs the two ends that circle is arranged at the blackboard frame on top; Lanyard two ends and blackboard hang circle and are fixed together, and lanyard passes in the middle of link; Lanyard withdrawal tape is arranged on lanyard, for regulating the length of lanyard; On & off switch is arranged at the left side of the blackboard frame of bottom, and clear key is arranged at the right side of the blackboard frame of bottom; Triangulum is arranged at the two ends of the blackboard frame of bottom; The pen cap is arranged at the centre of the blackboard frame of bottom.
Further, liquid crystal touch screen plate face specification is 1.20 meters * 0.60 meter * 0.02 meter; Blackboard frame is provided with four, upper and lower, left and right frame, and wherein four frames are all provided with the protection glued membrane of anticollision; Blackboard hangs circle, Triangulum is respectively provided with two; Pen cap built-in magnetic special pens.
Further, blackboard inner face is provided with power lead and attaching plug; The blackboard frame of Triangulum, the pen cap and bottom is fixed by screw.
As further technical scheme of the present utility model:
Blackboard is suspended on dais by link; Attaching plug inserts on 220V power supply, and open on & off switch, namely available magnetic special pens is write on liquid crystal touch screen plate face; After finishing using, written contents can be removed clean by clear key; Lanyard withdrawal tape can regulate lanyard length; When blackboard can be placed desktop or platform by Triangulum, play the effect supporting and protect blackboard; The blackboard frame of Triangulum, the pen cap and bottom is fixed by screw, also can dismantle.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
The above; be only preferred embodiment of the present utility model; not in order to limit the utility model, every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalently replace and improve, within the protection domain that all should be included in technical solutions of the utility model.
Claims (3)
1. teaching Special dustless blackboard, comprise liquid crystal touch screen plate face (1), blackboard frame (2), blackboard suspension circle (3), lanyard (4), link (5), lanyard withdrawal tape (6), on & off switch (7), clear key (8), Triangulum (9), the pen cap (10), it is characterized in that: liquid crystal touch screen plate face (1) is arranged at blackboard central authorities, surrounding is equipped with blackboard frame (2); Blackboard hangs the two ends that circle (3) is arranged at the blackboard frame (2) on top; Lanyard (4) two ends and blackboard hang and enclose (3) and be fixed together, and lanyard (4) passes in the middle of link (5); Lanyard withdrawal tape (6) is arranged on lanyard (4), for regulating the length of lanyard (4); On & off switch (7) is arranged at the left side of the blackboard frame (2) of bottom, and clear key (8) is arranged at the right side of the blackboard frame (2) of bottom; Triangulum (9) is arranged at the two ends of the blackboard frame (2) of bottom; The pen cap (10) is arranged at the centre of the blackboard frame (2) of bottom.
2. teaching Special dustless blackboard according to claim 1, is characterized in that: liquid crystal touch screen plate face (1) specification is 1.20 meters * 0.60 meter * 0.02 meter; Blackboard frame (2) is provided with four, upper and lower, left and right frame, and wherein four frames are all provided with the protection glued membrane of anticollision; Blackboard hangs circle (3), Triangulum (9) is respectively provided with two; The pen cap (10) built-in magnetic special pens.
3. teaching Special dustless blackboard according to claim 1, is characterized in that: blackboard inner face is provided with power lead and attaching plug; Triangulum (9), the pen cap (10) are fixed by screw with the blackboard frame (2) of bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520155290.7U CN204440681U (en) | 2015-03-13 | 2015-03-13 | Teaching Special dustless blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520155290.7U CN204440681U (en) | 2015-03-13 | 2015-03-13 | Teaching Special dustless blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204440681U true CN204440681U (en) | 2015-07-01 |
Family
ID=53608516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520155290.7U Expired - Fee Related CN204440681U (en) | 2015-03-13 | 2015-03-13 | Teaching Special dustless blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204440681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110162202A (en) * | 2018-03-22 | 2019-08-23 | 江西时代智光实业有限公司 | A kind of liquid crystal blackboard intelligent terminal |
-
2015
- 2015-03-13 CN CN201520155290.7U patent/CN204440681U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110162202A (en) * | 2018-03-22 | 2019-08-23 | 江西时代智光实业有限公司 | A kind of liquid crystal blackboard intelligent terminal |
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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 |
Granted publication date: 20150701 Termination date: 20160313 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |