CN208118800U - A kind of multimedia blackboard convenient to use - Google Patents
A kind of multimedia blackboard convenient to use Download PDFInfo
- Publication number
- CN208118800U CN208118800U CN201820777554.6U CN201820777554U CN208118800U CN 208118800 U CN208118800 U CN 208118800U CN 201820777554 U CN201820777554 U CN 201820777554U CN 208118800 U CN208118800 U CN 208118800U
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- CN
- China
- Prior art keywords
- blackboard
- chain
- chalk
- dust
- fixed frame
- 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
Links
- 239000000428 dust Substances 0.000 claims abstract description 41
- 238000003756 stirring Methods 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 208000028571 Occupational disease Diseases 0.000 description 5
- 239000008187 granular material Substances 0.000 description 5
- 210000004072 lung Anatomy 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a kind of multimedia blackboards convenient to use, including blackboard fixed frame, top inside the blackboard fixed frame is equipped with blackboard, lower blackboard is provided with below the upper blackboard, the rear of the upper blackboard left and right ends is provided with chain, the rear of the lower blackboard left and right ends is also equipped with chain, the upper and lower ends of the chain are provided with sprocket wheel, chalk frid is provided with below the blackboard fixed frame, the turning end of the mobile link chain mechanism of the multimedia blackboard is equipped with motor, teacher can be by electronic so that blackboard realizes exchange, save strength, energy is concentrated, improve quality of instruction；And the lower left corner of blackboard be provided with can turn rotor plate, be equipped with wiper inside rotor plate, classroom can under complete class hour, the chalk dust being infected on hand is dried using wiper, saves the class lower time of teacher, also avoids being cleaned with clear water, has saved water resource.
Description
Technical field
The utility model belongs to college teaching equipment technical field, and in particular to a kind of multimedia blackboard convenient to use.
Background technique
In the teaching equipment of colleges and universities, blackboard enables knowledge to embody in a manner of text, intuitively allows students
The meaning of knowledge is experienced, but still will appear many problems in the use process of blackboard.
Although current multimedia blackboard is made of the blackboard of two adjustable change places, it is convenient for changing blackboard writing, is saved
The time that teacher erases the board, but have a single function, and mobile blackboard needs passage manually, female lesser for some strength every time
Teacher is harder；And blackboard is being wiped every time, and chalk dust can be fallen in the ledge for chalk on blackboard below blackboard, if clearing up not in time, this
A little granule dusts can all be affected to the mouth of teacher, nose and lung organ, cause occupational disease；Teacher has a class every time also can on hand
Be infected with chalk dust, need to clean both hands to boiled water room, the class lower time of more wasteful teacher, and can also waste water resource,
The problems such as equal, need us and solve.
Utility model content
The purpose of this utility model is to provide a kind of multimedia blackboards convenient to use, to solve in above-mentioned background technique
The current multimedia blackboard proposed has a single function, and mobile blackboard needs passage manually every time, lesser for some strength
Teacher female is harder；And blackboard is being wiped every time, and chalk dust can be fallen in the ledge for chalk on blackboard below blackboard, if clearing up not in time,
These granule dusts can all be affected to the mouth of teacher, nose and lung organ, cause occupational disease；Teacher has a class on hand every time
It can be infected with chalk dust, need to clean both hands to boiled water room, the class lower time of more wasteful teacher, and can also waste water resource
The problem of.
To achieve the above object, the utility model provides the following technical solutions：A kind of multimedia blackboard convenient to use, packet
Blackboard fixed frame is included, the top inside the blackboard fixed frame is equipped with blackboard, is provided with down below the upper blackboard black
Plate, the rear of the upper blackboard left and right ends are provided with chain, and the rear of the lower blackboard left and right ends is also equipped with chain, institute
The upper and lower ends for stating chain are provided with sprocket wheel, and chain is linked with sprocket engagement, are provided with below the blackboard fixed frame
Chalk frid is welded with below the chalk frid and leads grey funnel, and described lead is connected with ash guiding pipe below grey funnel, described
The right end of ash guiding pipe is provided with dust sucking device, and the left end of the dust sucking device offers dust-absorbing mouth, the ash guiding pipe and dust-absorbing mouth screw thread
It connects, the lower section inside the dust sucking device, which is provided with, deposits grey cylinder, and the top inside dust sucking device is provided with fan, the fan
Top is provided with blower, offers ventilation hole at the top of the dust sucking device, and dust sucking device and depositing is arranged at grey cylinder opposite position
There is rotation door, the right end of the blackboard fixed frame is provided with control switch.
Preferably, the right end of sprocket wheel is rotatably connected to motor above the chain, and protection is provided in front of the motor
Lid, the motor and blower are electrically connected with control switch, and the control switch is electrical by power outlet and extraneous power supply
Connection.
Preferably, the inner surface of the chalk frid offers circular hole.
Preferably, the lower left corner of the upper blackboard and lower blackboard is provided with rotor plate, the left and right above the rotor plate
Both ends are provided with clamp, and card slot is offered at upper blackboard and lower blackboard and clamp opposite position, the clamp and card
Slot is connected together, and is provided with below the rotor plate and stirs stick.
Preferably, the rear of the rotor plate is provided with cross bar, is provided with wiper on the side wall of the cross bar.
Compared with prior art, the utility model has the beneficial effects that：The mobile link chain mechanism of the multimedia blackboard turns
Moved end is equipped with motor, and teacher can be by electronic so that blackboard realization exchange, saves strength, concentrated energy, improve
Quality of instruction；And the lower left corner of blackboard be provided with can turn rotor plate, be equipped with wiper inside rotor plate, teacher can be under
Complete class hour the chalk dust being infected on hand is dried using wiper, save the class lower time of teacher, also avoid being cleaned with clear water, save
About water resource；It is provided with below ledge for chalk on blackboard and leads grey funnel and dust sucking device, the chalk dust fallen can be passed through dust sucking device
Absorptive collection avoids chalk granule dust from existing for a long time, teacher's mouth, nose, lung sucking caused by occupational disease, significantly guarantee
The health of teacher.
Detailed description of the invention
Fig. 1 is the utility model main view；
Fig. 2 is the blackboard left view of the utility model；
Fig. 3 is the dust sucking device structural schematic diagram of the utility model；
Fig. 4 is the chalk frid entity effect picture of the utility model；
Fig. 5 is the chalk frid top view of the utility model；
Fig. 6 is the rotor plate entity effect picture of the utility model.
In figure：Blackboard, 4- card slot, 5- rotor plate, 6- stir stick under 1- blackboard fixed frame, the upper blackboard of 2-, 3-, 7- is wiped
Cloth, 8- cross bar, 9- lead grey funnel, 10- ash guiding pipe, 11- dust sucking device, 12- rotation door, 13- control switch, 14- motor, 15- powder
Frid, 16- circular hole, 17- chain, 18- sprocket wheel, 19- protection cap, 20- dust-absorbing mouth, 21- ventilation hole, 22- blower, 23- fan,
24- deposits grey cylinder, 25- clamp.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-6 is please referred to, the utility model provides a kind of technical solution：A kind of multimedia blackboard convenient to use, including
Blackboard fixed frame 1, the top inside blackboard fixed frame 1 are equipped with blackboard 2, and the lower section of upper blackboard 2 is provided with lower blackboard 3, on
The rear of 2 left and right ends of blackboard is provided with chain 17, and the rear of lower 3 left and right ends of blackboard is also equipped with chain 17, chain 17
Upper and lower ends are provided with sprocket wheel 18, and chain 17 is engaged with sprocket wheel 18 and linked, and the lower section of blackboard fixed frame 1 is provided with ledge for chalk on blackboard
Plate 15, the lower section of chalk frid 15, which is welded with, leads grey funnel 9, and the lower section for leading grey funnel 9 is connected with ash guiding pipe 10, ash guiding pipe 10
Right end is provided with dust sucking device 11, and the left end of dust sucking device 11 offers dust-absorbing mouth 20, and ash guiding pipe 10 is threadedly coupled with dust-absorbing mouth 20, inhales
Lower section inside grey device 11, which is provided with, deposits grey cylinder 24, and the top inside dust sucking device 11 is provided with fan 23, the fan 23
Top is provided with blower 22, and the top of the dust sucking device 11 offers ventilation hole 21, and dust sucking device 11 is corresponding with grey cylinder 24 is deposited
Rotation door 12 is provided at position, the right end of blackboard fixed frame 1 is provided with control switch 13.
In the present embodiment, it is preferred that the right end of 17 top sprocket wheel 18 of chain is rotatably connected to motor 14, the motor 14
Front is provided with protection cap 19, and the motor 14 and blower 22 are electrically connected with control switch 13, and control switch 13 passes through electricity
Supply socket and extraneous power supply are electrically connected, and exchange of blackboard 2 and lower blackboard 3 can pass through 13 driving motor 14 of control switch on this
Rotation, without pushing manually, so that teacher saves strength, has concentrated energy, has improved quality of instruction so that blackboard is mobile.
In the present embodiment, it is preferred that the inner surface of chalk frid 15 offers circular hole 16, writes with chalk every time word in teacher
When, chalk dust can be fallen on chalk frid 15, and most chalk dust can be fallen from circular hole 16 is leading in grey funnel 9
Portion, and the fan 23 inside the dust sucking device 11 for passing through lower section rotates, and adsorbs chalk dust, and chalk granule dust is avoided to deposit for a long time
, teacher's mouth, nose, lung sucking caused by occupational disease, ensured the health of teacher significantly.
In the present embodiment, it is preferred that the lower left corner of upper blackboard 2 and lower blackboard 3 is provided with rotor plate 5,5 top of rotor plate
Left and right ends be provided with clamp 25, and offer card slot 4 at upper blackboard 2 and lower blackboard 3 and 25 opposite position of clamp,
The clamp 25 is connected together with card slot 4, and the lower section of rotor plate 5, which is provided with, stirs stick 6, and rotor plate 5 also belongs to the one of blackboard
Part, can write with chalk word above, not influence to use, and rotor plate 5 realizes rotation by the chimeric of clamp and card slot 4
Dynamic, structure is simple, easily operated, and installs also very convenient.
In the present embodiment, it is preferred that the rear of rotor plate 5 is provided with cross bar 8, is provided with wiping on the side wall of the cross bar 8
Cloth 7, when teacher can under complete class hour, the chalk dust being infected on hand is dried using wiper 7, saves the class lower time of teacher,
Also it avoids being cleaned with clear water, has saved water resource, and wiper 7 can be removed from cross bar 8, easy cleaning uses convenient for next time.
Working principle：When the utility model is used, user needs to exchange upper blackboard 2 in time when blackboard 3 writes full word instantly
Carry out in use, can by control switch 13 start motor 14 so that motor 14 rotate and drive chain 17 rotate so that on
Blackboard 2 is moved to lower section, and lower blackboard 3 is moved to top, and whole process without pushing manually, so that teacher saves strength, concentrates
Energy improves quality of instruction, and when teacher wipes blackboard every time, chalk dust can be fallen on chalk frid 15, big portion
The chalk dust divided can be fallen from circular hole 16 in the inside for leading grey funnel 9, and the fan 23 inside the dust sucking device 11 for passing through lower section
Rotation adsorbs chalk dust to depositing in grey cylinder 24, chalk granule dust is avoided to exist for a long time, and the sucking of teacher mouth, nose, lung causes
Occupational disease, ensured the health of teacher significantly, when every time after class, teacher can be by turn rotor plate 5, and from interior
Wiper 7 is removed on portion's cross bar 8, and dries and is infected with to obtain chalk dust on hand, saves the class lower time of teacher, is also avoided clear with clear water
It washes, has saved water resource, and wiper 7 can be removed from cross bar 8, easy cleaning uses, entire workflow knot convenient for next time
Beam.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of multimedia blackboard convenient to use, including blackboard fixed frame (1), it is characterised in that：The blackboard fixed frame (1)
Internal top is equipped with blackboard (2), is provided with lower blackboard (3) below the upper blackboard (2), and the upper blackboard (2) is left
The rear at right both ends is provided with chain (17), and the rear of lower blackboard (3) left and right ends is also equipped with chain (17), the chain
The upper and lower ends of item (17) are provided with sprocket wheel (18), and chain (17) is engaged with sprocket wheel (18) and linked, the blackboard fixed frame
(1) it is provided with below chalk frid (15), is welded with and leads grey funnel (9) below the chalk frid (15), it is described to lead ash
It is connected with below funnel (9) ash guiding pipe (10), the right end of the ash guiding pipe (10) is provided with dust sucking device (11), the dust sucking device
(11) left end offers dust-absorbing mouth (20), and the ash guiding pipe (10) is threadedly coupled with dust-absorbing mouth (20), the dust sucking device (11)
Internal lower section, which is provided with, deposits grey cylinder (24), and the top of dust sucking device (11) inside is provided with fan (23), the fan (23)
Top be provided with blower (22), offered ventilation hole (21) at the top of the dust sucking device (11), and dust sucking device (11) and deposit ash
It is provided with rotation door (12) at cylinder (24) opposite position, the right end of the blackboard fixed frame (1) is provided with control switch (13).
2. a kind of multimedia blackboard convenient to use according to claim 1, it is characterised in that：Above the chain (17)
The right end of sprocket wheel (18) is rotatably connected to motor (14), is provided with protection cap (19), the motor in front of the motor (14)
(14) it is electrically connected with control switch (13) with blower (22), the control switch (13) passes through power outlet and extraneous power supply
It is electrically connected.
3. a kind of multimedia blackboard convenient to use according to claim 1, it is characterised in that：The chalk frid (15)
Inner surface offer circular hole (16).
4. a kind of multimedia blackboard convenient to use according to claim 1, it is characterised in that：The upper blackboard (2) and
The lower left corner of lower blackboard (3) is provided with rotor plate (5), and the left and right ends above the rotor plate (5) are provided with clamp
(25), it and at upper blackboard (2) and lower blackboard (3) and clamp (25) opposite position offers card slot (4), the clamp (25)
It is connected together with card slot (4), is provided with below the rotor plate (5) and stirs stick (6).
5. a kind of multimedia blackboard convenient to use according to claim 4, it is characterised in that：The rotor plate (5)
Rear is provided with cross bar (8), is provided with wiper (7) on the side wall of the cross bar (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820777554.6U CN208118800U (en) | 2018-05-24 | 2018-05-24 | A kind of multimedia blackboard convenient to use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820777554.6U CN208118800U (en) | 2018-05-24 | 2018-05-24 | A kind of multimedia blackboard convenient to use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208118800U true CN208118800U (en) | 2018-11-20 |
Family
ID=64185562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820777554.6U Expired - Fee Related CN208118800U (en) | 2018-05-24 | 2018-05-24 | A kind of multimedia blackboard convenient to use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208118800U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109849559A (en) * | 2019-04-12 | 2019-06-07 | 上海普发书写板有限公司 | Blackboard for education with ledge for chalk on blackboard |
| CN113580818A (en) * | 2021-09-01 | 2021-11-02 | 代红利 | Education writing board convenient for board surface cleaning |
-
2018
- 2018-05-24 CN CN201820777554.6U patent/CN208118800U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109849559A (en) * | 2019-04-12 | 2019-06-07 | 上海普发书写板有限公司 | Blackboard for education with ledge for chalk on blackboard |
| CN113580818A (en) * | 2021-09-01 | 2021-11-02 | 代红利 | Education writing board convenient for board surface cleaning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181120 Termination date: 20190524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |