CN107379831A - A kind of mobile and combined blackboard - Google Patents
A kind of mobile and combined blackboard Download PDFInfo
- Publication number
- CN107379831A CN107379831A CN201710770420.1A CN201710770420A CN107379831A CN 107379831 A CN107379831 A CN 107379831A CN 201710770420 A CN201710770420 A CN 201710770420A CN 107379831 A CN107379831 A CN 107379831A
- Authority
- CN
- China
- Prior art keywords
- blackboard
- drive
- erasing apparatus
- mobile
- driving
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
- B43L1/08—Blackboards flexible
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
Abstract
The present invention provides a kind of mobile and combined blackboard, including blackboard device, drive device, the erasing apparatus set on support and support, drive device sets two drive shafts up and down, the both ends of drive shaft respectively set a drive sprocket, drive shaft both ends are up and down around driving chain on corresponding drive sprocket, blackboard device is made up of some block size identical strip battens, blackboard device can be looped around on drive sprocket with driving chain, drive sprocket driving driving chain rotation, and then the blackboard device that links and then rotates；Erasing apparatus is arranged on behind blackboard device, and erasing apparatus is brought into close contact with blackboard device, and when blackboard device rotates, erasing apparatus can wipe out the chalk writing on erasing apparatus.The present invention can realize rotation erasing chalk writing, realize semiautomation operation, while blackboard combines for hard, does not have discomfort when writing.Reasonable integral structure of the present invention, significantly improve influence of the chalk to teachers and students in teaching.
Description
Technical field
The invention belongs to educational alternative field, and in particular to a kind of mobile and combined blackboard.
Background technology
At this stage, although many classrooms have been equipped with multimedia equipment, teacher is usually electronic demonstration and blackboard displaying
It is used in combination, therefore blackboard is still required, especially because the needs of writing on the blackboard blackboard in primary grades classroom is essential
's.Traditional blackboard is all integrally fixed on the wall in classroom, and teacher holds chalk and write above, is then wiped again with blackboard eraser
Remove, in this course, the serious health that have impact on teachers and students of caused a large amount of chalk dusts.Chinese patent (Application No.
201610985066.X) disclose a kind of rotation and wipe word Assembled environmental blackboard, the technical scheme of use is by rotating roller band
Dynamic belt type blackboard rotation, while fixed outer wipe is installed behind belt type blackboard belt type blackboard is wiped, this rotation is wiped
Word Assembled environmental blackboard has the disadvantage that：1st, this dry matter of chalk powder is adhered to for a long time, flexible belt type blackboard is easily
Crack, influence to write thereon, while inconvenience is changed after belt type blackboard damage, and need whole one to change,
Cost is high；2nd, due to the belt type blackboard using flexibility, thereon, writing has a little soft sensation, than in the black of hard
Perceptual difference is write on plate；3rd, wiped outside the fixation that rear portion is set, it is necessary to could be contacted under the cooperation of inner press roll with belt type blackboard tightly
It is close, it is complicated.
The content of the invention
For above technological deficiency, the present invention provides a kind of mobile and combined blackboard.Blackboard is arranged to by some pieces of hard
Strip batten composition, so set it is then easy to maintenance and writing comfort it is unaffected.
The technical solution adopted by the present invention is：A kind of mobile and combined blackboard, including set on support and support black
Panel assembly, drive device, erasing apparatus, drive device set two drive shafts up and down, and the both ends of drive shaft respectively set a drive
Movable sprocket, up and down on corresponding drive sprocket around driving chain, driving chain is the chain with wing plate at drive shaft both ends.
Blackboard device is made up of some block size identical strip battens, and each block of batten is fixed on two driving chains
On the wing plate of upper the same horizontal position, adjacent two blocks of battens are closely docking together, and the blackboard device being made up of batten can
To be looped around with driving chain on drive sprocket, drive sprocket driving driving chain rotation, and then the blackboard device that links is followed
Rotation；
Erasing apparatus is arranged on behind blackboard device, and erasing apparatus is brought into close contact with blackboard device, when blackboard device revolves
When turning, erasing apparatus can wipe out the chalk writing on erasing apparatus.
Preferably, driving chain is the chain with roller, the interior parallel position of the driving chain in front position
Supporting track is set, and the roller of driving chain can be close to supporting track slip.
Preferably, the chain link being spaced between driving chain upper flange can be odd or even number, described wing plate and batten
Fixed form be that the dovetail groove that can engage card article is provided with wing plate card article installed above and batten.
Preferably, the interface of two pieces of adjacent strips is inclined-plane, and the interface of adjacent strip is mutually closely pressed together on
Together.
Preferably, erasing apparatus is cylindrical shape and is fixed in a rotary shaft that described rotary shaft has chain and driving
The drive shaft of device is connected, and rotary shaft can be rotated under the drive of drive shaft by chain-driving.
Preferably, the rotation diameter of rotary shaft is smaller than the rotation diameter of drive shaft.
Preferably, columnar erasing apparatus outer layer is the cavernous body of porous fluffy.
Preferably, the bottom of erasing apparatus is provided with the chalk dust collecting tank of protective cover.
Preferably, drive device is driven by hand crank formula or by electrical motor driven.
Preferably, universal wheel is installed in the bottom of support, is easy to move integrally.
Beneficial effects of the present invention are：1st, blackboard of the present invention is made up of the strip batten of some pieces of hard, on the one hand may be used
Erasing chalk writing is rotated to realize, semi-automation is realized, reduces health hazards of the dust to teachers and students, the another aspect wing
The fixed form of plate and batten is snap-in structure, if so which block batten has damage to change conveniently, it is not necessary to change whole
Blackboard device, reduce cost；Blackboard combines for hard simultaneously, does not have discomfort when writing.
2nd, erasing apparatus of the invention is set for rotation erasing, one and drive shaft linkage rotation, simple in construction, the two its
Direction of rotation moves behind in the opposite direction with the blackboard device for needing to wipe, and erasing effect is more preferable.
Brief description of the drawings
Fig. 1 is the side view of the present invention；
Fig. 2 is the front view of the present invention；
Fig. 3 is the rearview of the present invention；
Fig. 4 is the sectional view at the drive sprocket of the present invention；
Fig. 5 is the sectional view of supporting track of the present invention and cross beam junction；
In figure：1- supports；2- drive shafts；21- bearings；22- cranks；3- drive sprockets；4- driving chains；5- battens；51-
Wing plate and batten junction；6- supporting tracks；7- crossbeams；8- rotary shafts；9- chains；10- dust collection grooves；11- universal wheels.
Embodiment
The embodiment of the present invention is described further below in conjunction with the accompanying drawings, as shown in Fig. 1,2,3,4,5, this hair
It is bright that a kind of mobile and combined blackboard, including blackboard device, drive device, the erasing apparatus set on support and support are provided,
Support 1 sets the spreader of bottom two and two columns being welded on spreader, and drive device sets two drive shafts 2 up and down, driven
Moving axis 2 is arranged on by bearing 21 on the column of the both sides of support, and the both ends of drive shaft 2 respectively set a drive sprocket 3, driving
For the both ends of axle 2 up and down on corresponding drive sprocket 3 around driving chain 4, driving chain 4 is the chain with wing plate.
Blackboard device is made up of some block size identical strip battens 5, and each block of batten 5 is fixed on two driving-chains
On bar 4 on the wing plate of the same horizontal position, the number of batten 5 is set with the spacing distance of the upper flange of driving chain 4, driving chain
The chain link being spaced between 4 upper flanges can be odd or even number, and adjacent two blocks of battens 5 are closely docking together, wing plate with
The fixed form of batten 5 is that the dovetail groove 51 that can engage card article is provided with wing plate card article installed above and batten, is so set
Put and be conveniently replaceable and install batten 5, the blackboard device being made up of batten 5 can be looped around drive sprocket 3 with driving chain 4
On, drive sprocket 3 drives driving chain 4 to rotate, and then the blackboard device that links and then rotates.
Erasing apparatus is arranged on behind blackboard device, and erasing apparatus is brought into close contact with blackboard device, when blackboard device revolves
When turning, erasing apparatus can wipe out the chalk writing on erasing apparatus.Erasing apparatus can be cylindrical shape and be fixed on one
In rotary shaft 8, the rear portion of support 1 separately welding two columns, rotary shaft 8 by bearing bracket stand on the two columns, rotary shaft 8
There are chain 9 and the drive shaft 2 of drive device to be connected, rotary shaft 8 can be driven under the drive of drive shaft 2 by chain 9 revolves
Turn, erasing apparatus also just and then rotates, and direction and the needs rotated the blackboard device moving directions that wipe is on the contrary, erasing
More thoroughly, effect is more preferable.
Further, the rotation diameter of rotary shaft 8 is smaller than the rotation diameter of drive shaft 2.So set and play one kind greatly
The effect of wheel belt steamboat, when drive shaft 2 rotates a circle, drive rotary shaft 8 rotates several weeks, and then makes erasing apparatus more thorough
Dust on ground erasing blackboard device.
Because in writing, people holds chalk can be to 5 one inward forces of batten of contact, therefore are to prevent positive bar
Plate 5 shakes when writing chalk, and driving chain 4 uses the chain with roller, the driving chain 4 in front position
Interior parallel position sets supporting track 6, and supporting track 6 is fixed on support 1 by two crossbeams 7, the roller of driving chain 4
Supporting track 6 can be close to slide, so that be exactly to connect firmly between positive batten 5, driving chain 4 and supporting track 6
Touch, batten 5 would not be caused to swing, improve comfort during writing.
Due to having small gap between batten 5, it can feel there is pause and transition in rhythm or melody sense in writing, be write to reduce to greatest extent
Pause and transition in rhythm or melody sense during word, the interfaces of two pieces of adjacent strips are inclined-plane, the pressing that the interface of adjacent strip 5 mutually fits together perfectly
Together, pause and transition in rhythm or melody when so writing is sympathetic will not be so strong.
Further, columnar erasing apparatus outer layer is the cavernous body of porous fluffy.
Further, the bottom of erasing apparatus is provided with the chalk dust collecting tank 10 of protective cover, prevents dust from arriving
Place is flown.
Further, drive device is driven by hand crank formula, installs a crank 22 on the driving shaft, shakes crank
22 can drive whole drive device to rotate, and certain drive device can also use electrical motor driven.
Further, universal wheel 11 is installed on the bottom spreader of support 1, is easy to move integrally.
The present invention only need to shake crank in use, when writing full letter written with chalk in front, write the blackboard dress of full letter written with chalk
Put behind simultaneously rotating to, by erasing apparatus erasing chalk word, so circulation, reasonable integral structure is ingenious in design, greatly
Improve influence of the chalk to teachers and students in teaching；Made simultaneously using the aluminum alloy material of lightweight, reduce overall quality,
It will not feel especially heavy when being shaken using crank.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the general of this area
For logical technical staff, the present invention can have various modifications and variations；Within the spirit and principles of the invention, that is made appoints
What modification, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. mobile and combined blackboard, it is characterised in that：Including blackboard device, the driving dress set on support and support Put, erasing apparatus,Described drive device sets two drive shafts up and down, and the both ends of described drive shaft respectively set a drive sprocket, institute Up and down on corresponding drive sprocket around driving chain, described driving chain is the chain with wing plate at the drive shaft both ends stated Bar；Described blackboard device is made up of some block size identical strip battens, and each block of batten is fixed on two driving-chains On bar on the wing plate of the same horizontal position, adjacent two blocks of battens are closely docking together, the blackboard device being made up of batten It can be looped around with driving chain on drive sprocket, the driving driving chain rotation of described drive sprocket, and then the blackboard that links Device and then rotates；Described erasing apparatus is arranged on behind blackboard device, and described erasing apparatus is brought into close contact with blackboard device, when black When panel assembly rotates, erasing apparatus can wipe out the chalk writing on erasing apparatus.
- 2. mobile and combined blackboard according to claim 1, it is characterised in that：Described driving chain is with roller Chain, the interior parallel position of the driving chain in front position set supporting track, and the roller of driving chain can be close to Supporting track slip.
- 3. mobile and combined blackboard according to claim 2, it is characterised in that：Between between described driving chain upper flange Every chain link can be odd or even number, the fixed form of described wing plate and batten is in wing plate card article installed above and batten On be provided with the dovetail groove that can engage card article.
- 4. mobile and combined blackboard according to claim 3, it is characterised in that：The interface of two pieces of adjacent strips is equal For inclined-plane, the interface of adjacent strip mutually closely presses together.
- 5. according to the mobile and combined blackboard described in claim 1 or 2 or 3 or 4, it is characterised in that：Described erasing apparatus is Cylindrical shape is simultaneously fixed in a rotary shaft, and the drive shaft that described rotary shaft has chain and drive device is connected, rotary shaft It can be rotated under the drive of drive shaft by chain-driving.
- 6. mobile and combined blackboard according to claim 5, it is characterised in that：The rotation diameter of described rotary shaft is than driving The rotation diameter of moving axis is small.
- 7. mobile and combined blackboard according to claim 6, it is characterised in that：The columnar erasing apparatus outer layer is The cavernous body of porous fluffy.
- 8. mobile and combined blackboard according to claim 7, it is characterised in that：The bottom of the erasing apparatus is provided with The chalk dust collecting tank of protective cover.
- 9. mobile and combined blackboard according to claim 1, it is characterised in that：Described drive device is by hand crank formula Drive or by electrical motor driven.
- 10. mobile and combined blackboard according to claim 1, it is characterised in that：Universal wheel is installed in the bottom of support, just In moving integrally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710770420.1A CN107379831A (en) | 2017-08-31 | 2017-08-31 | A kind of mobile and combined blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710770420.1A CN107379831A (en) | 2017-08-31 | 2017-08-31 | A kind of mobile and combined blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107379831A true CN107379831A (en) | 2017-11-24 |
Family
ID=60347301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710770420.1A Pending CN107379831A (en) | 2017-08-31 | 2017-08-31 | A kind of mobile and combined blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107379831A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108859529A (en) * | 2018-06-07 | 2018-11-23 | 林雪莲 | Board is used in a kind of teaching |
| CN112319105A (en) * | 2020-11-16 | 2021-02-05 | 南京封宝宝电子商务有限公司 | Automatic dust removal environment-friendly device for school teaching blackboard |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2052355U (en) * | 1989-09-01 | 1990-02-07 | 段润伍 | Tape-type rotary blackboard |
| CN2302134Y (en) * | 1997-09-28 | 1998-12-30 | 尹传锋 | Electric blackboard without dust |
| CN2936780Y (en) * | 2006-09-06 | 2007-08-22 | 魏进华 | Built-in dust collecting rolling blackboard |
| CN101474929A (en) * | 2009-01-23 | 2009-07-08 | 关泉春 | Module assembling type rolling writing board |
| CN201816343U (en) * | 2010-03-11 | 2011-05-04 | 李尚喜 | Multifunction hand-power elevation automatic dust-removal louver blackboard |
| CN203888485U (en) * | 2014-06-23 | 2014-10-22 | 三峡大学 | Hand-cranking writing-wiping integrated blackboard |
| CN205818756U (en) * | 2016-03-23 | 2016-12-21 | 内蒙古农业大学 | Electric dust absorption Revolving blackboard |
| CN209336348U (en) * | 2017-08-31 | 2019-09-03 | 威海职业学院 | A kind of mobile and combined blackboard |
-
2017
- 2017-08-31 CN CN201710770420.1A patent/CN107379831A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2052355U (en) * | 1989-09-01 | 1990-02-07 | 段润伍 | Tape-type rotary blackboard |
| CN2302134Y (en) * | 1997-09-28 | 1998-12-30 | 尹传锋 | Electric blackboard without dust |
| CN2936780Y (en) * | 2006-09-06 | 2007-08-22 | 魏进华 | Built-in dust collecting rolling blackboard |
| CN101474929A (en) * | 2009-01-23 | 2009-07-08 | 关泉春 | Module assembling type rolling writing board |
| CN201816343U (en) * | 2010-03-11 | 2011-05-04 | 李尚喜 | Multifunction hand-power elevation automatic dust-removal louver blackboard |
| CN203888485U (en) * | 2014-06-23 | 2014-10-22 | 三峡大学 | Hand-cranking writing-wiping integrated blackboard |
| CN205818756U (en) * | 2016-03-23 | 2016-12-21 | 内蒙古农业大学 | Electric dust absorption Revolving blackboard |
| CN209336348U (en) * | 2017-08-31 | 2019-09-03 | 威海职业学院 | A kind of mobile and combined blackboard |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108859529A (en) * | 2018-06-07 | 2018-11-23 | 林雪莲 | Board is used in a kind of teaching |
| CN112319105A (en) * | 2020-11-16 | 2021-02-05 | 南京封宝宝电子商务有限公司 | Automatic dust removal environment-friendly device for school teaching blackboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171124 |
|
| RJ01 | Rejection of invention patent application after publication |