CN105172434B - Blackboard having water tank - Google Patents
Blackboard having water tank Download PDFInfo
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- CN105172434B CN105172434B CN201510674876.9A CN201510674876A CN105172434B CN 105172434 B CN105172434 B CN 105172434B CN 201510674876 A CN201510674876 A CN 201510674876A CN 105172434 B CN105172434 B CN 105172434B
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- blackboard
- blackboard eraser
- tank
- water
- aqua storage
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Abstract
The invention discloses a blackboard having a water tank, and relates to the technical field of writing boards. The blackboard comprises a blackboard, an eraser, wiping cloth, and a strip-shaped sewage tank fixedly connected with a lower frame of the blackboard, wherein a storage box for accommodating the wiping cloth, an eraser cleaning tank and a water storage tank are arranged at the outer side or the bottom of the strip-shaped sewage tank. The blackboard integrates water feeding, cleaning, water pressing and storage as a whole, is simple and compact in structure, is convenient for use, can prevent dust ash from rising in the blackboard wiping, and reduces the harm to the health of teachers and students.
Description
Technical field
The present invention relates to clipboard technical field, especially a kind of blackboard with tank.
Background technology
Inside teaching equipment, blackboard is wiped with common blackboard eraser can cause chalk dust to fly upward, had a strong impact on teacher and
Student's is healthy；Solve the problems, such as that chalk flying dust is extremely urgent.Although now with wet rubbing blackboard, can solve the problem that chalk dust
Problem, but its complex structure, in-convenience in use, poor operability affects using effect.
The content of the invention
The technical problem to be solved is to provide a kind of blackboard with tank, and collection is added water, cleaned, pressing water, storage
It is integrated, it is simple and compact for structure, easy to use, chalk flying dust during blackboard wiping can be avoided, reduce the wound to teachers and students' health
Evil.
To solve above-mentioned technical problem, the technical solution used in the present invention is：A kind of blackboard with tank, including it is black
The strip sump that plate, blackboard eraser, blackboard eraser cloth and blackboard lower frame are fixedly linked, the outside or bottom of the strip sump
It is additionally provided with receiver, blackboard eraser rinse bath and the aqua storage tank of accommodates plate wiper.
Further technical scheme, the length of described aqua storage tank is isometric with the length of blackboard lower frame, and adjacent sump
Outside, receiver is fixed on below aqua storage tank one end, and blackboard eraser rinse bath is located at the other end of aqua storage tank and is positioned over water storage
In groove, the two sides of blackboard eraser rinse bath are provided with the limbers connected with aqua storage tank.
Further technical scheme, is additionally provided with blackboard eraser water squeezing groove and blackboard eraser clean water tank, blackboard eraser rinse bath, blackboard eraser water squeezing groove and
Blackboard eraser clean water tank is placed in aqua storage tank, and can be taken out, and suspension in blackboard eraser water squeezing groove has the sluicing interlayer with spilled water hole,
Gap is left between the bottom land of blackboard eraser clean water tank and the bottom land of aqua storage tank, the bottom land of blackboard eraser clean water tank is provided with some limbers.
Further technical scheme, the aqua storage tank is provided with cover plate, and being additionally provided with the cover board can be along the push-and-pull of cover plate push-and-pull
Shutter, along cover plate or so push-and-pull shutter is elapsed, and is blocked in the upper of blackboard eraser rinse bath, blackboard eraser water squeezing groove and blackboard eraser clean water tank
Face.
Further technical scheme, is additionally provided with dust sewage receiving bottle, and dust sewage receiving bottle is detachable to be fixed on length
Below bar shaped sump, the bottleneck of dust sewage receiving bottle is connected with strip sump.
Further technical scheme, the length of described aqua storage tank is isometric with the length of blackboard lower frame, and adjacent sump
Outside, be provided with water-stop sheet in aqua storage tank, water-stop sheet is divided into two regions in left and right aqua storage tank, and right area is the water storage for storing water purification
Area, left area is operating space, and receiver, blackboard eraser rinse bath, blackboard eraser water squeezing groove are positioned over operating space, and blackboard eraser clean water tank is positioned over water storage
Area, the notch of storage area is provided with cover plate, and being additionally provided with the cover board can be along the push-and-pull shutter of cover plate push-and-pull, along cover plate or so passage
Push-and-pull shutter, blocks above receiver, blackboard eraser rinse bath, blackboard eraser water squeezing groove and blackboard eraser clean water tank.
Further technical scheme, described receiver is drawing and pulling type.
Further technical scheme, also including blowing device, including blower fan and blower, assembling is in blackboard upper ledge
One end, blower is installed along blackboard upper ledge and fixed, and blower is connected with the air port of blower fan, and one side downward of blower sets
Put some air nozzles.
It is using the beneficial effect produced by above-mentioned technical proposal：
1st, the present invention integrates and adds water, cleans, pressing water, storage, simple and compact for structure, convenient use；
2nd, one end of tank is operating space, and the other end is equipped with receiver, multiple blackboard eraser cloth can be deposited in receiver, can be at any time
Changed, convenient use, tank is provided with cover plate, and push-and-pull shutter is to blackboard eraser rinse bath, blackboard eraser water squeezing groove and blackboard eraser water purification
Groove tank carries out unifying to block, and prevents moisture evaporation, also avoids dust from falling into the water, while playing a part of attractive, decorative；
3rd, blackboard lower frame is equipped with dust sewage receiving bottle, and very small amount current are had when wiping to blackboard using blackboard eraser
Enter lower frame, and Jing is flowed in dust sewage receiving bottle, dust, sewage etc. is received, it is to avoid sewage arbitrarily flows, and pollutes ring
Border；Dust sewage receiving bottle can be dismantled, and be easy to sewage to pour out, and neat and tidy environmental protection is attractive in appearance.
Description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the partial enlarged drawing in Fig. 1 at A；
Fig. 3 is the partial enlarged drawing in Fig. 1 at B；
Fig. 4 is the partial enlarged drawing in Fig. 1 at C；
Fig. 5 is the structural representation of section of the present invention；
In figure：1st, blackboard lower frame；2nd, aqua storage tank；3rd, receiver；4th, dust sewage receiving bottle；5th, blackboard eraser rinse bath；6th, plate
Wipe water squeezing groove；7th, sluicing interlayer；8th, blackboard eraser clean water tank；9th, blackboard eraser；10th, push-and-pull shutter；11st, cover plate；12nd, push-and-pull handle hole；
13rd, sump.
Specific embodiment
With reference to the accompanying drawings and detailed description the present invention is further detailed explanation.
The design concept of the present invention is to integrate the moisture content and water purification add water, clean, removing in blackboard eraser, should be protected using before
Card tank 2 water yield meets requirement, and blackboard eraser should be placed in blackboard eraser clean water tank 8, it is ensured that the blackboard eraser moment keeps wet and meets wet
Wipe and require, it is first that blackboard eraser is interior unnecessary moisture extrusion in blackboard eraser water squeezing groove 6 when being wiped to blackboard using blackboard eraser,
In case the moisture content in blackboard eraser is excessive, even so, in blackboard wiping, still have little water and flow into blackboard lower frame 1 along blackboard,
To avoid the sewage with dust from arbitrarily flowing along wall, environment is polluted, therefore be mounted with blackboard lower frame 1 and blackboard lower frame
The dust sewage receiving bottle 4 of 1 bottom surface connection, water Liu Dao blackboards lower frame 1 flows directly into dust sewage receiving bottle 4, plate from bottleneck
After wiping blackboard wiping, can there be dirt, now blackboard eraser should be moderately cleaned in blackboard eraser rinse bath 5, in blackboard eraser after the completion of cleaning
The internal pressure of water squeezing groove 6 removes excessive moisture, is then wiped again, puts back to blackboard eraser clean water tank 8 when not using, thus blackboard eraser also can when
When keep moistening.
Blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6, blackboard eraser clean water tank 8 are individually placed, can take out and be convenient to clean, while
The position of three grooves can also be exchanged, and should rationally be used as requested, to be optimal effect, be not limited to this technology
The specific embodiment of scheme.Operating space is blocked available push-and-pull shutter 10 is not used, it is to avoid the water in tank is subject to
Pollution, while preventing moisture evaporation.
With reference to the accompanying drawings and detailed description the present invention is further detailed explanation.
Embodiment one
Referring to shown in Fig. 1 to Fig. 5, the present invention includes the strip that blackboard, blackboard eraser, blackboard eraser cloth and blackboard lower frame 1 are fixedly linked
Shape sump 13, the outside or bottom of the strip sump 13 are additionally provided with the receiver 3 of accommodates plate wiper, blackboard eraser rinse bath
5 and aqua storage tank 2.Aqua storage tank 2 is used to store clean water.
The length of described aqua storage tank 2 is isometric with the length of blackboard lower frame 1, and the outside of adjacent sump 13, receiver 3
It is fixed on below the one end of aqua storage tank 2, blackboard eraser rinse bath 5 is located at the other end of aqua storage tank 2 and is positioned in aqua storage tank 2, blackboard eraser
The two sides of rinse bath 5 are provided with the limbers connected with aqua storage tank 2.
Blackboard eraser water squeezing groove 6 and blackboard eraser clean water tank 8 are additionally provided with, blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 and blackboard eraser clean water tank 8 are equal
It is positioned in aqua storage tank 2, and can takes out, suspension in blackboard eraser water squeezing groove 6 has the sluicing interlayer 7 with spilled water hole, blackboard eraser water purification
Gap is left between the bottom land of groove 8 and the bottom land of aqua storage tank 2, the bottom land of blackboard eraser clean water tank 8 is provided with some limbers,.
The aqua storage tank 2 is provided with cover plate 11, and being additionally provided with cover plate 11 can be along the push-and-pull shutter 10 of the push-and-pull of cover plate 11, edge
The passage push-and-pull of cover plate 11 or so shutter 10, blocks above blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 and blackboard eraser clean water tank 8.
Dust sewage receiving bottle 4 is additionally provided with, dust sewage receiving bottle 4 is detachable to be fixed under strip sump 13
Face, the bottleneck of dust sewage receiving bottle 4 is connected with strip sump 13.
Described receiver 3 is drawing and pulling type.
Also include blowing device, including blower fan and blower, in one end of blackboard upper ledge, blower is along blackboard for assembling
Upper ledge is installed and fixed, and blower is connected with the air port of blower fan, and one side downward of blower arranges some air nozzles.
Wherein, described receiver 3 is drawing and pulling type, and identical with existing drawer structure, pull is fixed on the one end of aqua storage tank 2
Below, blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 and blackboard eraser clean water tank are fixed successively from the other end of aqua storage tank 2.For storage
The position of box 3, blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 and blackboard eraser clean water tank 8 can be according to the custom rational deployment for using.Storage
Box 3 is used for storing board wiper, can deposit polylith, is conveniently replaceable the wiping surface of blackboard eraser；After blackboard eraser rinse bath 5 is used for cleaning and having wiped
Blackboard eraser, remove blackboard eraser wiping surface dust；Blackboard eraser clean water tank 8 is used for placing the blackboard eraser for cleaning up, simultaneously because blackboard eraser is net
Tank 8 is connected with the water in aqua storage tank 2, therefore, can also make blackboard eraser constantly keep moistening；When blackboard wiping is needed, handle is needed
Blackboard eraser extruding in blackboard eraser water squeezing groove 6, unnecessary moisture extrusion, it is to avoid the cross flow of water during wiping.Wherein, receiver 3, blackboard eraser
Rinse bath 5, blackboard eraser water squeezing groove 6 and blackboard eraser clean water tank 8 are independent unit, can take out and be cleaned, also using cleverer
It is living convenient.
Wherein, the length of aqua storage tank 2 is isometric with the length of blackboard lower frame 1, and the notch of aqua storage tank 2 is provided with cover plate 11, blackboard eraser
Rinse bath 5, blackboard eraser water squeezing groove 6 and blackboard eraser clean water tank 8 are embedded in successively in tank 2 from one end of aqua storage tank 2, blackboard eraser rinse bath 5, plate
The two sides or bottom surface for wiping water squeezing groove 6 and blackboard eraser clean water tank 8 are equipped with the limbers connected with the water in aqua storage tank 2, this model
Wipe rinse bath 5 to be advisable to be placed on outermost end, because the dust after cleaning can be precipitated in blackboard eraser rinse bath 5, and aqua storage tank 2
Interior ripples are dynamic less, will not cause flowing, therefore, the dust of precipitation typically will not be impacted to the water in aqua storage tank 2.
In order to avoid the water in aqua storage tank 2 is contaminated, while, it is to avoid moisture content evaporates, described blackboard eraser rinse bath 5, plate
The upper edge for wiping water squeezing groove 6 and blackboard eraser clean water tank 8 is concordant with the notch of aqua storage tank 2, is provided with push-and-pull on the cover plate 11 of aqua storage tank 2 and blocks
Plate 10, push-and-pull shutter 10 can be elapsed along 2 cover plate of aqua storage tank 11 or so, be blocked in blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 and plate
Clean above tank 8.Wherein, groove can be set in the both sides of aqua storage tank 2, cover plate 11 pushes recessed along one end of aqua storage tank 2
Groove, again pushes push-and-pull shutter 10 along groove along the upper surface of cover plate 11 again above, when blackboard is not used, push-and-pull shutter
10 are pushed into above each box, and box is covered, and when using blackboard, push-and-pull shutter 10 are pulled open, push-and-pull shutter 10
Two ends be provided with push-and-pull handle hole 12, be easy to push-and-pull to operate.
Embodiment two
The length of aqua storage tank 2 is isometric with the length of blackboard lower frame 1, and the outside of adjacent sump 13, is provided with aqua storage tank 2
Water-stop sheet, 2 points aqua storage tank of water-stop sheet is two regions in left and right, and right area is the storage area for storing water purification, and left area is operating space, is received
Case 3, blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 are positioned over operating space, and blackboard eraser clean water tank 8 is positioned over storage area, the groove of storage area
Mouth is provided with cover plate 11, is additionally provided with cover plate 11 and can push away along cover plate 11 or so along the push-and-pull shutter 10 of the push-and-pull of cover plate 11
Shutter 10 is drawn, is blocked above receiver 3, blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 and blackboard eraser clean water tank 8.In the technology
In scheme, only blackboard eraser clean water tank 8 is connected with aqua storage tank 2, remaining receiver 3, blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 and water storage
Groove 2 is not to connect, while receiver 3 is also placed in groove, more compact reasonable in structure, each box is independent unit, also allows for
Make, take, clean.In addition, receiver 3 can also be fabricated to drawer type, i.e., it is identical with the structure of embodiment one, only it is placed in
In the operating space of aqua storage tank 2, it is through in the groove of operating space, pull can be taken off and place blackboard eraser cloth.
Certainly, in embodiment two, the upper edge of receiver 3, blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 and blackboard eraser clean water tank 8
It is concordant with the notch of aqua storage tank 2, it is provided with push-and-pull shutter 10, the energy of push-and-pull shutter 10 on the cover plate 11 that aqua storage tank 2 holds pool
Elapse along 2 cover plate of aqua storage tank 11 or so, block in receiver 3, blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 and blackboard eraser clean water tank 8
Above.Its effect is identical with embodiment one.
Compared with embodiment one, blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 are not connected embodiment two with aqua storage tank 2, so not
Water in tank 2 can be polluted, meanwhile, the water after cleaning and the water after pressure water can in time be cleared up and poured out, it is to avoid sewage is deposited
Put overlong time and give off a peculiar smell.Receiver 3 and the operating space in aqua storage tank 2 placed side by side of blackboard eraser water squeezing groove 6, also make structure more
It is compact.
Techniques below side is embodiment one and the identical technical characteristic of embodiment two, i.e. strip sump 13 with it is black
Plate lower frame 1 and aqua storage tank 2 are structure as a whole, aqua storage tank 2 be located at strip sump 13 front side, the bottom of aqua storage tank 2 with it is black
The bottom of plate lower frame 1 is in same level.Wherein, aqua storage tank 2 and strip sump 13 can also be Demountable,
Assembling, is easy to make.
In embodiment one and embodiment two, the sluicing interlayer 7 with spilled water hole is provided with described blackboard eraser water squeezing groove 6, with profit
In pressure water.
It is shown in Figure 5 in embodiment one and embodiment two, all should include that the dust being fixed on below blackboard lower frame 1 is dirty
The detachable companies such as water receiving bottle 4, the bottleneck of dust sewage receiving bottle 4 is threadedly coupled with the bottom surface of strip sump 13, clamping
Connect, and connect with sump 13, catadromous sewage is imported in sump 13 from blackboard, and it is dirty to flow into dust from sump
Water receiving bottle 4, sewage can be cleared up at any time in bottle.
Wherein, after aqua storage tank 2 is using a period of time, to cleaning inside aqua storage tank 2 aqua storage tank 2 should be kept to clean.Note
Water level in meaning observation aqua storage tank 2, when water level is timely moisturizing less than lower limit water level.
Wherein, blackboard eraser is sponge blackboard eraser, and in the outside cladding plate wiper of sponge, blackboard eraser cloth carries striped, is easy to wipe
Only.
Because the present invention is wet rubbing, after wet blackboard eraser is wiped across, the vestige of moistening is inevitably left on blackboard, no
Can be dried, therefore also can use immediately, the effect attended class can be delayed, accordingly, it would be desirable to blowing device is set, therefore,
Blower fan can be installed additional in the upper ledge of blackboard, specifically, blower fan is arranged on one end of blackboard upper ledge, and install along blackboard upper ledge
One blower, one side downward of blower arranges some air nozzles, and blower is connected with the air port of blower fan.
Beneficial effects of the present invention are as follows：
1st, blackboard of the present invention and tank integral structure, convenient and reasonable with hommization using process, and integrated cornerite makes knot
Structure more safety is attractive in appearance.Receiver, blackboard eraser rinse bath, blackboard eraser water squeezing groove and blackboard eraser clean water tank are independent unit, can be independent
Using taking-up, making is made easily, using flexible, clear up convenient.
2nd, operating area can be blocked with shutter when tank is not used, prevents moisture evaporation, it is to avoid pollution, together
When play a part of attractive, decorative.
3rd, integrated water tank can water capacity it is big, meet use requirement, reduce moisturizing number of times, moisturizing can artificial recharge
Automatic water supplement, more hommization.
4th, wet blackboard eraser wiping surface adopts the preferable collodion material of water absorbing properties, and water imbibition is strong, and pick-up performance is preferable；Collodion is thick
Degree is suitable.
5th, tank one end is operating space, and the other end is equipped with receiver, multiple blackboard eraser cloth can be deposited in receiver, can be at any time
Replacing convenient use is carried out, it is more convenient.
6th, blackboard lower frame is equipped with dust sewage receiving bottle, and very small amount current are had when wiping to blackboard using blackboard eraser
Enter lower frame, current flow into dust sewage receiving bottle from guiding gutter.Chalk end, dust are recovered into dust by blackboard during push-and-pull
Sewage receiving bottle, it is attractive in appearance that bottle can carry out dismounting neat and tidy environmental protection.
7th, blowing device can be installed in blackboard upper ledge according to requirements, rapidly dry reaching writes requirement to make blackboard.
Claims (7)
1. a kind of blackboard with tank, including blackboard, blackboard eraser, blackboard eraser cloth and blackboard lower frame（1）The strip sewage being fixedly linked
Groove（13）, it is characterised in that the strip sump（13）Outside or bottom be additionally provided with the receiver of accommodates plate wiper
（3）, blackboard eraser rinse bath（5）And aqua storage tank（2）；
Described aqua storage tank（2）Length and blackboard lower frame（1）Length it is isometric, and adjacent sump（13）Outside, storage
Box（3）It is fixed on aqua storage tank（2）Below one end, blackboard eraser rinse bath（5）Positioned at aqua storage tank（2）The other end and be positioned over water storage
Groove（2）It is interior, blackboard eraser rinse bath（5）Two sides be provided with and aqua storage tank（2）The limbers of connection.
2. the blackboard with tank according to claim 1, it is characterised in that be additionally provided with blackboard eraser water squeezing groove（6）It is net with blackboard eraser
Tank（8）, blackboard eraser rinse bath（5）, blackboard eraser water squeezing groove（6）With blackboard eraser clean water tank（8）It is placed in aqua storage tank（2）It is interior, and can
Take out, blackboard eraser water squeezing groove（6）Interior suspension has the sluicing interlayer with spilled water hole（7）, blackboard eraser clean water tank（8）Bottom land and aqua storage tank
（2）Bottom land between leave gap, blackboard eraser clean water tank（8）Bottom land be provided with some limbers.
3. the blackboard with tank according to claim 2, it is characterised in that the aqua storage tank（2）It is provided with cover plate（11）,
Cover plate（11）On be additionally provided with can be along cover plate（11）The push-and-pull shutter of push-and-pull（10）, along cover plate（11）Left and right passage push-and-pull shutter
（10）, push-and-pull shutter（10）Can block in blackboard eraser rinse bath（5）, blackboard eraser water squeezing groove（6）With blackboard eraser clean water tank（8）Above.
4. the blackboard with tank according to claim 1, it is characterised in that be additionally provided with dust sewage receiving bottle（4）, dust
Sewage receiving bottle（4）It is detachable to be fixed on strip sump（13）Below, dust sewage receiving bottle（4）Bottleneck and length
Bar shaped sump（13）Connection.
5. the blackboard with tank according to claim 1, it is characterised in that described aqua storage tank（2）Length and blackboard
Lower frame（1）Length it is isometric, and adjacent sump（13）Outside, aqua storage tank（2）Water-stop sheet is inside provided with, water-stop sheet is aqua storage tank
（2）Be divided into left and right two regions, right area be store water purification storage area, left area be operating space, receiver（3）, blackboard eraser rinse bath
（5）, blackboard eraser water squeezing groove（6）It is positioned over operating space, blackboard eraser clean water tank（8）Storage area is positioned over, the notch of storage area is provided with cover plate
（11）, in cover plate（11）On be additionally provided with can be along cover plate（11）The push-and-pull shutter of push-and-pull（10）, along cover plate（11）Left and right pushes away
Draw shutter（10）, push-and-pull shutter（10）Can block in receiver（3）, blackboard eraser rinse bath（5）, blackboard eraser water squeezing groove（6）And plate
Clean tank（8）Above.
6. the blackboard with tank according to any of the above-described claim, it is characterised in that described receiver（3）For pull
Formula.
7. the blackboard with tank according to any one of claim 1-5 claim, it is characterised in that also including blowing
Device, including blower fan and blower, assembling is installed along blackboard upper ledge and fixed in one end of blackboard upper ledge, blower, blowing
Pipe is connected with the air port of blower fan, and one side downward of blower arranges some air nozzles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510674876.9A CN105172434B (en) | 2015-10-19 | 2015-10-19 | Blackboard having water tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510674876.9A CN105172434B (en) | 2015-10-19 | 2015-10-19 | Blackboard having water tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105172434A CN105172434A (en) | 2015-12-23 |
| CN105172434B true CN105172434B (en) | 2017-04-26 |
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ID=54895066
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510674876.9A Active CN105172434B (en) | 2015-10-19 | 2015-10-19 | Blackboard having water tank |
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| CN (1) | CN105172434B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107718945A (en) * | 2017-11-02 | 2018-02-23 | 王晓乐 | A kind of College Chinese teaching demonstrating board |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07290898A (en) * | 1994-04-21 | 1995-11-07 | Seiji Kawashima | Storing tool for water-coating body |
| CN2866187Y (en) * | 2005-11-24 | 2007-02-07 | 刘文涛 | Combined blackboard eraser set |
| CN201065016Y (en) * | 2007-04-27 | 2008-05-28 | 刘文涛 | Water dipping board wiper box |
| CN201165132Y (en) * | 2008-03-14 | 2008-12-17 | 尤艺 | Electric blackboard |
| CN201195448Y (en) * | 2008-05-09 | 2009-02-18 | 上海市宝山区祁连镇中心校 | Water channel for blackboard |
| CN201220538Y (en) * | 2008-05-27 | 2009-04-15 | 王婧嘉 | Novel windshield wiper type blackboard |
| CN201320908Y (en) * | 2008-12-05 | 2009-10-07 | 牧文哲 | Full-automatic blackboard cleaning system |
| KR100945367B1 (en) * | 2009-10-23 | 2010-03-08 | 김민자 | Cleaner for water chalk's eraser |
| CN201784332U (en) * | 2010-08-27 | 2011-04-06 | 秦贞义 | Water wiping type combined blackboard |
| CN202079987U (en) * | 2011-05-12 | 2011-12-21 | 刘莹 | Environment-friendly blackboard |
| KR20130000833A (en) * | 2011-06-24 | 2013-01-03 | 이병학 | The environment-friendly board eraser cleaner, board eraser and wet member |
| CN202588661U (en) * | 2012-05-25 | 2012-12-12 | 刘文涛 | Environment-friendly eraser box integrating water dipping, water squeezing and water scraping functions |
| CN202727732U (en) * | 2012-07-13 | 2013-02-13 | 丁栋 | Environment-friendly dust removal blackboard |
| CN202847236U (en) * | 2012-09-19 | 2013-04-03 | 黑龙江八一农垦大学 | Novel blackboard |
| CN203093473U (en) * | 2012-12-10 | 2013-07-31 | 左誉 | Automatic cleaning blackboard |
| CN204278846U (en) * | 2014-10-22 | 2015-04-22 | 徐君 | A kind ofly wash air-dry blackboard |
| CN204414917U (en) * | 2015-02-11 | 2015-06-24 | 田卉 | A kind of teaching writing device |
| CN205167977U (en) * | 2015-10-19 | 2016-04-20 | 石家庄科达文教用品有限公司 | Take blackboard of basin |
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2015
- 2015-10-19 CN CN201510674876.9A patent/CN105172434B/en active Active
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| CN105172434A (en) | 2015-12-23 |
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