CN205705870U - A kind of blackboard - Google Patents
A kind of blackboard Download PDFInfo
- Publication number
- CN205705870U CN205705870U CN201620301158.7U CN201620301158U CN205705870U CN 205705870 U CN205705870 U CN 205705870U CN 201620301158 U CN201620301158 U CN 201620301158U CN 205705870 U CN205705870 U CN 205705870U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- panel
- motor
- collecting box
- dust collecting
- 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
nullThe utility model discloses a kind of blackboard，Blackboard main body is formed including by blackboard panel and blackboard eraser，Blackboard panel is divided into left blackboard and right blackboard，Left blackboard top and bottom are respectively equipped with upper rail one and lower guideway one，The internal upper and lower side of right blackboard is simultaneously provided with corresponding upper rail two and lower guideway two，Two upper rails and lower guideway are connected by pulley respectively，Blackboard panel edge is provided with blackboard limit，Temperature sensor and resistance wire it is provided with in blackboard panel，Upper end, blackboard limit is fixed with blackboard closure assembly，Blackboard closure assembly includes left blackboard cover、Right blackboard cover、Rotating shaft and motor，Left blackboard cover and right blackboard cover are connected with rotating shaft thereon respectively，Rotating shaft is connected with motor output end，Lower end, blackboard limit is provided with dust collecting box，It is connected by slideway with lower end, blackboard limit bottom dust collecting box，Motor it is provided with in dust collecting box、Magnet and silencing apparatus，Horizontally slipping of blackboard can be realized，Collect dust and blackboard is carried out the effect of proofing dust and protecting.
Description
Technical field
This utility model relates to teaching aid field, particularly relates to a kind of blackboard.
Background technology
Blackboard not refers in particular to the plate face of black, traditional sense is said it be one can be with the plane of repeated writing, plate face is hard, be used for teaching.Make with plank or ground glass etc., can write above with specific writing materials such as chalks, common blackboard also exists more significantly shortcoming, when teacher or student use blackboard eraser wiping chalk word, can produce substantial amounts of chalk dust, chalk dust suspends in atmosphere, respiratory tract can be sucked by academics and students, sucking chalk dust for a long time, easily have undesirable effect the pulmonary of academics and students, the blackboard in existing classroom seldom can realize moving left and right.The use being additionally hung on the projector on blackboard has covered the blackboard of nearly half, affects the utilization rate of blackboard.
Utility model content
Technical problem to be solved of the present utility model is to provide a kind of blackboard, to solve the drawbacks described above caused in prior art.
nullIn order to realize the purpose of this utility model，A kind of blackboard that this utility model provides，Blackboard main body is formed including by blackboard panel and blackboard eraser，It is characterized in that: described blackboard panel is divided into left blackboard and right blackboard，Left blackboard top and bottom are respectively equipped with upper rail one and lower guideway one，The internal upper and lower side of right blackboard is simultaneously provided with corresponding upper rail two and lower guideway two，Two upper rails and lower guideway are connected by pulley respectively，Blackboard panel edge is provided with blackboard limit，Blackboard limit right-hand member is provided with switch one and switch two，Temperature sensor and resistance wire it is provided with in blackboard panel，Temperature sensor、Resistance wire and switch one formation series circuit，Upper end, blackboard limit is fixed with blackboard closure assembly，Blackboard closure assembly includes left blackboard cover、Right blackboard cover、Rotating shaft and motor one，Left blackboard cover and right blackboard cover are connected with the rotating shaft on left blackboard and right blackboard respectively，Rotating shaft is connected with motor output end，Motor one and switch one electric connection，Lower end, blackboard limit is provided with dust collecting box，Slideway it is provided with bottom dust collecting box，It is connected by slideway with lower end, blackboard limit，Magnet and silencing apparatus it is provided with in dust collecting box，Groove is had on dust collecting box，Dust collecting box is provided with interlayer below interior grooves，Interlayer top is provided with the several through holes communicated with bottom portion of groove，Silencing apparatus is arranged in the inwall of through hole，Motor two it is provided with straight up bottom interlayer，The end of motor two output shaft is provided with fan，Motor is connected with switch two.Preferably, described blackboard panel is the arc surface panel of blackish green curved surface.
Preferably, described blackboard eraser shell uses iron plate to make, and can be adsorbed on disposable box internal magnet.
Preferably, described silencing apparatus includes cylinder, and the inwall of cylinder is provided with noise reduction layer, columnar acoustical panel it is provided with in cylinder, with tubular axis on the same line, acoustical panel is provided with several manhole being evenly arranged to acoustical panel axis, is provided with silencing cotton between the noise reduction layer of acoustical panel and cylinder.
Preferably, the length of described dust collecting box glide path is more than blackboard panel length.
nullThe beneficial effects of the utility model are: left and right blackboard can slide relatively，Realization moves left and right，Inside is provided with temperature sensor and resistance wire，May be implemented in temperature relatively low in the environment of generated heat by resistance wire，Make teacher will not freeze hands when writing letter written with chalk，It is provided with blackboard cover and when blackboard does not uses, blackboard can be carried out proofing dust and protecting effect，It is simultaneously provided with two blackboard covers and can only put down one of them，Realize the effect of projector curtain，Being provided with dust collecting box drives fan to rotate by the high speed rotating of motor，Vacuum is formed in making box，Utilize consequent high velocity air，From through hole inspiration dust，Under the dust that can will fall off when teacher writes letter written with chalk is inhaled，Prevent chalk dust by teacher and classmate's inspiration，Blackboard panel be plate face be blackish green curved surface，Use chalk-writing，Do not stimulate the eyes of people，Be conducive to the protection of vision，Can prevent reflective simultaneously，The student being sitting in each corner can be made also to see writing on the blackboard writing clearly，Blackboard eraser shell uses iron plate to make，Can adsorb on blackboard base，It is easy to the placement of blackboard eraser，The noise that silencing apparatus can eliminate motor and fan sends，Reduce the harm of the body and mind to operator，Have good、Permanent erasure effect，The length of dust collecting box glide path is more than blackboard panel length，It is easy to the dismounting cleaning of dust collecting box.
Accompanying drawing explanation
Fig. 1 and Fig. 3 is structural representation of the present utility model.
Fig. 2 is the structural representation of blackboard closure assembly.
Fig. 4 is dust collecting box structural representation.
Wherein, 1 blackboard closure assembly, 2 left blackboards, 3 through holes, 4 dust collecting boxes, 5 switches one, 6 right blackboards, 7 switches two, 8 rotating shafts, 9 right blackboard covers, 10 left blackboard covers, 11 blackboard eraser shells, 12 blackboard erasers, 13 blackboard limits, 14 grooves, 15 upper rails one, 16 pulleys, 17 lower guideways one, 18 interlayers, 19 motors two, 20 fans.
Detailed description of the invention
With detailed description of the invention, this utility model is described in further details below in conjunction with the accompanying drawings.
nullFig. 1 and Fig. 2 illustrates detailed description of the invention of the present utility model: a kind of blackboard，Blackboard main body is formed including by blackboard panel and blackboard eraser，Described blackboard panel is divided into left blackboard 2 and right blackboard 6，Left blackboard 2 top and bottom are respectively equipped with upper rail one and lower guideway one，The internal upper and lower side of right blackboard 6 is simultaneously provided with corresponding upper rail two and lower guideway two，Two upper rails and lower guideway are connected by pulley respectively，Blackboard panel edge is provided with blackboard limit 13，Blackboard limit right-hand member is provided with several switch，Temperature sensor and resistance wire it is provided with in blackboard panel，Temperature sensor and resistance wire and switch one formation series circuit，Upper end, blackboard limit 13 is fixed with blackboard closure assembly 1，Blackboard closure assembly 1 includes left blackboard cover 10、Right blackboard cover 9、Rotating shaft and motor，Left blackboard cover 10 and right blackboard cover 9 are connected with rotating shaft 8 thereon respectively，Rotating shaft 8 is connected with motor output end，Motor and switch 1 electric connection，Lower end, blackboard limit is provided with dust collecting box 4，Dust collection 4 cassette bottom portion is provided with slideway，It is connected by slideway with lower end, blackboard limit，Dust collecting box internal magnet and silencing apparatus，Dust collecting box is provided with interlayer 18 below interior grooves，Interlayer 18 top is provided with the several through holes 3 communicated with bottom portion of groove，Silencing apparatus is arranged in the inwall of through hole，Motor 2 19 it is provided with straight up bottom interlayer 18，The end of motor 2 19 output shaft is provided with fan 20，Motor two and switch 27 electric connection，Described blackboard panel is the arc surface panel of blackish green curved surface，Described blackboard eraser shell 11 uses iron plate to make，Can be adsorbed on disposable box internal magnet，Described silencing apparatus includes cylinder，The inwall of cylinder is noise reduction layer，Muffling hole plate it is provided with in cylinder，It is provided with silencing cotton between acoustical panel and noise reduction layer，The length of described dust collecting box glide path is more than blackboard panel length.
nullLeft and right blackboard can slide relatively，Realization moves left and right，Inside is provided with temperature sensor and resistance wire，May be implemented in temperature relatively low in the environment of generated heat by resistance wire，Make teacher will not freeze hands when writing letter written with chalk，It is provided with blackboard cover and when blackboard does not uses, blackboard can be carried out proofing dust and protecting effect，It is simultaneously provided with two blackboard covers and can only put down one of them，Realize the effect of projector curtain，Being provided with dust collecting box drives fan to rotate by the high speed rotating of motor，Vacuum is formed in making box，Utilize consequent high velocity air，From through hole inspiration dust，Under the dust that can will fall off when teacher writes letter written with chalk is inhaled，Prevent chalk dust by teacher and classmate's inspiration，Blackboard panel be plate face be blackish green curved surface，Use chalk-writing，Do not stimulate the eyes of people，Be conducive to the protection of vision，Can prevent reflective simultaneously，The student being sitting in each corner can be made also to see writing on the blackboard writing clearly，Blackboard eraser shell uses iron plate to make，Can adsorb on blackboard base，It is easy to the placement of blackboard eraser，The noise that silencing apparatus can eliminate motor and fan sends，Reduce the harm of the body and mind to operator，Have good、Permanent erasure effect，The length of dust collecting box glide path is more than blackboard panel length，It is easy to the dismounting cleaning of dust collecting box
As known by the technical knowledge, this utility model can be realized by the embodiment of other essence without departing from its spirit or essential feature.Therefore, embodiment disclosed above, for each side, all it is merely illustrative, is not only.All all it is included in the utility model in the range of this utility model or being equal to the change in the range of this utility model.
Claims (5)
1. a blackboard, forms blackboard main body including by blackboard panel and blackboard eraser, it is characterized in that: be described
Blackboard panel is divided into left blackboard and right blackboard, left blackboard top and bottom to be respectively equipped with upper rail one and lower guideway
One, the internal upper and lower side of right blackboard is simultaneously provided with corresponding upper rail two and lower guideway two, two upper rails and
Lower guideway is connected by pulley respectively, and blackboard panel edge is provided with blackboard limit, and blackboard limit right-hand member is provided with switch one
With switch two, in blackboard panel, it is provided with temperature sensor and resistance wire, temperature sensor, resistance wire and switch
One formed series circuit, upper end, blackboard limit is fixed with blackboard closure assembly, blackboard closure assembly include left blackboard cover,
Right blackboard cover, rotating shaft and motor one, left blackboard cover and right blackboard cover respectively with on left blackboard and right blackboard turn
Axle connects, and rotating shaft is connected with motor output end, and motor one and switch one electric connection, lower end, blackboard limit is provided with
Dust collecting box, is provided with slideway bottom dust collecting box, it is connected by slideway with lower end, blackboard limit, dust
Being provided with Magnet and silencing apparatus in disposable box, dust collecting box has groove, dust collecting box is at inner-concave
Being provided with interlayer below groove, interlayer top is provided with the several through holes communicated with bottom portion of groove, and silencing apparatus is arranged in
The inwall of through hole, is provided with motor two straight up bottom interlayer, the end of motor two output shaft is provided with fan,
Motor is connected with switch two.
A kind of blackboard the most according to claim 1, it is characterised in that: described blackboard panel is blackish green
The arc surface panel of color curved surface.
A kind of blackboard the most according to claim 1, it is characterised in that: described blackboard eraser iron plate system
Become, can be adsorbed on disposable box internal magnet.
A kind of blackboard the most according to claim 1, it is characterised in that: described silencing apparatus includes
Cylinder, the inwall of cylinder is provided with noise reduction layer, is provided with columnar acoustical panel, acoustical panel axis and cylinder in cylinder
On the same line, acoustical panel is provided with several manhole being evenly arranged, acoustical panel and cylinder to body axis
Noise reduction layer between be provided with silencing cotton.
A kind of blackboard the most according to claim 1, it is characterised in that: bottom described dust collecting box
Slideway length more than blackboard panel length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620301158.7U CN205705870U (en) | 2016-04-12 | 2016-04-12 | A kind of blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620301158.7U CN205705870U (en) | 2016-04-12 | 2016-04-12 | A kind of blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205705870U true CN205705870U (en) | 2016-11-23 |
Family
ID=57310749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620301158.7U Expired - Fee Related CN205705870U (en) | 2016-04-12 | 2016-04-12 | A kind of blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205705870U (en) |
-
2016
- 2016-04-12 CN CN201620301158.7U patent/CN205705870U/en not_active Expired - Fee Related
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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: 20161123 Termination date: 20170412 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |