CN106142923A - A kind of can the blackboard of automatic water-supply - Google Patents
A kind of can the blackboard of automatic water-supply Download PDFInfo
- Publication number
- CN106142923A CN106142923A CN201610737061.5A CN201610737061A CN106142923A CN 106142923 A CN106142923 A CN 106142923A CN 201610737061 A CN201610737061 A CN 201610737061A CN 106142923 A CN106142923 A CN 106142923A
- Authority
- CN
- China
- Prior art keywords
- blackboard
- push rod
- guide rail
- blackboard eraser
- drive mechanism
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000011241 protective layer Substances 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 206010016807 Fluid retention Diseases 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 239000000428 dust Substances 0.000 description 10
- 229920000742 Cotton Polymers 0.000 description 1
- 210000000746 body region Anatomy 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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
-
- 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
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses a kind of can the blackboard of automatic water-supply, including blackboard body；Sliding frame；Blackboard eraser seat；Blackboard eraser body；Collecting tank；Storage chamber, it is formed at the inside of blackboard eraser seat, is formed with a permeable hole in the following side of blackboard eraser seat, and permeable hole is provided with a diaphragm element, and diaphragm element is for be made up of a pair sheet rubber, and the mid portion of this pair sheet rubber overlaps each other；Push rod, it is arranged in collecting tank, and push rod is through hollow structure, and water outlet part has cavity, and the leading section of water outlet part offers some apopores connected with cavity；When front side wall and blackboard body are in close contact, blackboard body supports one end of push rod, and the other end of push rod applies pressure to diaphragm element, makes the mid portion of a pair sheet rubber be separated from each other, and makes storage chamber pass through push rod to connect with water outlet part；Controlling device, it controls the first drive mechanism and the second drive mechanism alternation.Present invention achieves the auto-erasing to the chalk writing in blackboard body.
Description
Technical field
The present invention relates to a kind of can the blackboard of automatic water-supply.
Background technology
Although electronic whiteboard is increasingly being applied to classroom instruction field at present, but the most more exchange device is a phase
When the work wasted time and energy, blackboard remains on the teaching aid being to commonly use most.Experience with students for many years is had especially for some
For teacher, chalk-writing writing on the blackboard almost becomes its important content given lessons.But an inconvenience lie in that of traditional blackboard,
Every class terminates, or before needing again to write writing on the blackboard, needs the chalk writing on manual erasing blackboard.The most more wave
Time-consuming, on the other hand the health of human body is also easily brought harmful effect by chalk dust.
Summary of the invention
The present invention designed and developed a kind of can the blackboard of automatic water-supply.
The technical scheme that the present invention provides is:
A kind of can the blackboard of automatic water-supply, including:
Blackboard body；
Sliding frame, they a pair first guide rails including horizontally set and a second vertically arranged guide rail, a pair
First guide rail is arranged at the outside at the upper and lower edge of described blackboard body, and described second guide rail is slidably disposed on a pair
On one guide rail；
Blackboard eraser seat, it is slidably disposed on described second guide rail；
Blackboard eraser body, it is arranged on described blackboard eraser seat, and marches to the front side of described blackboard body at described second guide rail
Time, described blackboard eraser body keeps contacting with described blackboard body；
Collecting tank, it is connected to the following side of described blackboard eraser seat, and described collecting tank and described blackboard eraser body are spaced a spacing
From, the notch of described collecting tank towards described blackboard eraser body, and protrude from forward the erasing face of described blackboard eraser body, described collecting tank
Including the main part being made up of rigid plastics and the front side wall being made up of rubber, in described blackboard eraser body and described blackboard body
When keeping contact, described front side wall is in close contact with described blackboard body；
Storage chamber, it is formed at the inside of described blackboard eraser seat, is formed with a permeable hole, institute in the following side of described blackboard eraser seat
State permeable hole and be provided with a diaphragm element, described diaphragm element for be made up of a pair sheet rubber, the centre of this pair sheet rubber
Part overlaps each other；
Push rod, it is arranged in described collecting tank, and one end of described push rod is from the front side wall being arranged at described collecting tank
Through hole on stretch out, described push rod is through hollow structure, and one end of described push rod connects a water outlet part, described water outlet
The laminated structure that parts are rectangular, described water outlet part perpendiculars to one another with described push rod, and described water outlet part has cavity, and
The leading section of described water outlet part offers some apopores connected with cavity, and described cavity connects with the inside of described push rod
Logical, another of described push rod is rectified described diaphragm element, and a spring housing is located on described push rod, and one end of described spring connects
To the front side wall of described collecting tank, the other end is connected to described push rod；It is in close contact with described blackboard body at described front side wall
Time, described blackboard body supports one end of described push rod, and the other end of described push rod applies pressure to described diaphragm element, makes institute
Stating spring and be in extended state, make the mid portion of a pair sheet rubber be separated from each other, the other end of described push rod stretches to described
In storage chamber, so that described storage chamber and described collecting tank communicate with each other, and make described storage chamber by described push rod with
Described water outlet part connects；When described front side wall is disengaged from described blackboard body, described push rod is made by described spring
With reset, so that the other end of described push rod departs from described diaphragm element, the mid portion of the pair of sheet rubber weighs each other
Folded, close described permeable hole；
First drive mechanism, it is connected to described second guide rail, to drive described second guide rail along described first guide rail
Slide；And
Second drive mechanism, it is connected to described blackboard eraser seat, to drive described blackboard eraser seat along described second slide；
Controlling device, it is connected to described first drive mechanism and described second drive mechanism, controls described first and drives
Mechanism and the second drive mechanism work in a predefined manner:
Described first drive mechanism and described second drive mechanism alternation, until described second guide rail is from described first
The other end to described first guide rail is moved in one end of guide rail, and in each working cycle, described first drive mechanism is first
Driving described second guide rail to advance a preset distance along described first guide rail, described first drive mechanism then quits work, it
It is upper that the most described second drive mechanism drives that described blackboard eraser seat moves from the lower end of described second guide rail to described second guide rail again
End, then drive described blackboard eraser seat to move to lower end from the upper end of described second guide rail, described second drive mechanism quits work again,
Wherein, described preset distance is less than or equal to the width of described blackboard eraser body.
Preferably, described can the blackboard of automatic water-supply, also include:
Remote controller, it is connected to described control device, sends control signal to described control device, makes described control device
Control described first drive mechanism and described second drive mechanism works in a predefined manner.
Preferably, described the blackboard of automatic water-supply can march to described blackboard body at described second guide rail
During front side, the distance between described blackboard eraser body and described blackboard body is designed as: described blackboard eraser body is by described blackboard eraser seat and institute
State the extruding of blackboard body and deform.
Preferably, described can in the blackboard of automatic water-supply, the initial position of described second guide rail be described blackboard this
The outside of the left side edge of body or the outside of right side edge.
Preferably, described can be in the blackboard of automatic water-supply, the width of described blackboard eraser body is the 1.1 of described preset distance
～1.2 times.
Preferably, described the blackboard of automatic water-supply can be provided with protective layer on the leading section of described water outlet part,
Described protective layer is for be made up of sponge or foam.
Of the present invention the blackboard of automatic water-supply can devise sliding frame in the outside of blackboard body, the second guide rail can
Being slidably arranged on the first guide rail, blackboard eraser seat is slidably disposed on the second guide rail, the second slide one preset distance,
Blackboard eraser seat, from one end of the second guide rail to the other end, so gradually slides into first from one end of the first guide rail along with the second guide rail
The other end of guide rail, the chalk writing in blackboard body just can be wiped by blackboard eraser body；The present invention sets in the following side of blackboard eraser seat
Having put a collecting tank, owing to wiping speed and the wiping dynamics of blackboard eraser body all keep constant, it is low that chalk dust flies upward degree, chalk
Ash can fall directly in collecting tank, it is to avoid affects ground sanitary conditions；During chalk writing on blackboard eraser body erasing blackboard body, this
The storage chamber of invention automatically opens up, and sends into a small amount of water in collecting tank, makes chalk dust and water be mixed into lumps, it is to avoid chalk
Ash flies upward from collecting tank again or is scattered to collecting tank；When storage chamber connects with collecting tank, the water in storage chamber is from outlet part
The apopore ejection of part, thus soak blackboard body, make blackboard eraser body more thorough, more totally to the wiping of blackboard body.The present invention
Achieve the auto-erasing to the chalk writing in blackboard body, improve the comfort level that blackboard device uses.
Accompanying drawing explanation
Fig. 1 be of the present invention can the structural representation of blackboard of automatic water-supply.
Fig. 2 is the structural representation that blackboard eraser body of the present invention contacts with blackboard body.
Fig. 3 is the structural representation that blackboard eraser seat of the present invention departs from blackboard body.
Fig. 4 is the structural representation of water outlet part of the present invention.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to description literary composition
Word can be implemented according to this.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the present invention provide a kind of can the blackboard of automatic water-supply, including blackboard body；
Sliding frame, it includes the second guide rail 3 that 1,2 and one, a pair first guide rails of horizontally set are vertically arranged, a pair first
Guide rail is arranged at the outside at the upper and lower edge of described blackboard body 6, and described second guide rail is slidably disposed on a pair first and leads
On rail；Blackboard eraser seat 4, it is slidably disposed on described second guide rail；Blackboard eraser body 5, it is arranged on described blackboard eraser seat, and
When described second guide rail marches to the front side of described blackboard body, described blackboard eraser body keeps contacting with described blackboard body；Collect
Groove 7, it is connected to the following side of described blackboard eraser seat 4, and described collecting tank keeps at a certain distance away with described blackboard eraser body, described collection
The notch 8 of groove is towards described blackboard eraser body, and protrudes from forward the erasing face of described blackboard eraser body, and described collecting tank includes by hard
Main part that plastics are made and the front side wall 9 being made up of rubber, keep contacting with described blackboard body in described blackboard eraser body
Time, described front side wall is in close contact with described blackboard body；Storage chamber 15, it is formed at the inside of described blackboard eraser seat 4, described
The following side of blackboard eraser seat 4 is formed with a permeable hole 13 (following side of blackboard eraser seat is the rear wall of collecting tank), described permeable hole
Be provided with a diaphragm element, described diaphragm element for be made up of a pair sheet rubber 14, the mid portion of this pair sheet rubber that
This is overlapping；Push rod 12, it is arranged in described collecting tank, and one end of described push rod is from the front side wall being arranged at described collecting tank
Through hole on stretch out, described push rod 12 is through hollow structure, and one end of described push rod connects a water outlet part 16, described
The laminated structure that water outlet part is rectangular, described water outlet part 16 perpendiculars to one another with described push rod, and described water outlet part has sky
Chamber, and the leading section of described water outlet part offers some apopores connected with cavity, described cavity and described push rod
Internal connection, another of described push rod is proper to described diaphragm element, and a spring 11 is sheathed on described push rod, described spring
One end is connected to the front side wall of described collecting tank, and the other end is connected to described push rod；In described front side wall and described blackboard body
During close contact, described blackboard body supports one end of described push rod, and the other end of described push rod applies to described diaphragm element
Pressure, makes described spring be in extended state, makes the mid portion of a pair sheet rubber be separated from each other, and the other end of described push rod is stretched
Enter to described storage chamber, so that described storage chamber and described collecting tank communicate with each other, and make described storage chamber pass through institute
State push rod to connect with described water outlet part；When described front side wall is disengaged from described blackboard body, described push rod is by described
The effect of spring resets, so that the other end of described push rod departs from described diaphragm element, the pars intermedia of the pair of sheet rubber
Divide and overlap each other, close described permeable hole；First drive mechanism, it is connected to described second guide rail, to drive described second to lead
Rail is along described first slide；And second drive mechanism, it is connected to described blackboard eraser seat, to drive described blackboard eraser seat edge
Described second slide；Controlling device, it is connected to described first drive mechanism and described second drive mechanism, controls institute
State the first drive mechanism and the second drive mechanism works in a predefined manner: described first drive mechanism and described second drives machine
Structure alternation, until described second guide rail moves the other end to described first guide rail from one end of described first guide rail, and
And in each working cycle, it is one pre-that described first drive mechanism first drives described second guide rail to advance along described first guide rail
Set a distance, described first drive mechanism then quits work, and the most described second drive mechanism drives described blackboard eraser seat from described again
The upper end to described second guide rail is moved in the lower end of the second guide rail, then drives described blackboard eraser seat to move from the upper end of described second guide rail
Moving to lower end, described second drive mechanism quits work again, and wherein, described preset distance is less than or equal to the width of described blackboard eraser body
Degree.
In the present invention, the first drive mechanism and the second drive mechanism alternation, i.e. when the second guide rail is along the first guide rail
Move the preset distance width of blackboard eraser body (this preset distance less than or equal to), just stop at current location, blackboard eraser seat with
Blackboard eraser body moves from one end of the second guide rail to the other end, thus the chalk writing of current location is carried out wiping；Afterwards second
Guide rail moves preset distance again, and blackboard eraser seat moves to the other end from one end of the second guide rail again.So being repeated, blackboard eraser body is just
Travel through the whole surface of blackboard body, thus the chalk writing in blackboard body has been wiped clean.
Above-mentioned collecting tank is connected to the following side of blackboard eraser seat, and collecting tank keeps at a certain distance away with blackboard eraser body, notch towards
Blackboard eraser body.When blackboard eraser body along blackboard body vertically movable time, translational speed and the wiping speed of blackboard eraser body are metastable,
Which reduce the degree of flying upward of chalk dust, and then chalk dust is naturally fallen in collecting tank.And the notch of collecting tank is dashed forward
For the wiping surface of blackboard eraser body, the front side wall of collecting tank is for be made up of rubber, and main part is made of plastics, when blackboard eraser body is with black
During plate body contacts, the front side wall of collecting tank can be squeezed and slight deformation occurs, and then makes the front side wall of collecting tank with black
Plate body keeps being closely contacted, thus preferably collects chalk dust.
Water it is contained with in storage chamber.When blackboard eraser body contacts with blackboard body, and when wiping blackboard body, blackboard is originally
Body supports the one end at push rod, thus promotes push rod to move to the direction of permeable hole, is pushed open by a pair sheet rubber, so that water-retention
Chamber connects with collecting tank, and the water in storage chamber enters in collecting tank by permeable hole, and moistening chalk dust also makes chalk dust bond
Become agglomerate, thus avoid chalk dust to be scattering into outside collecting tank.And when blackboard eraser body leaves blackboard body, and one end of push rod is no longer influenced by
Compressing, push rod returns to initial position under the resilient force of spring, and the other end of push rod leaves partition component, a pair rubber
The mid portion of film overlaps again, again closes permeable hole.Chalk dust in collecting tank is carried out by the present invention automatically
Moistening.Owing to the hydraulic pressure in storage chamber is less, after a pair sheet rubber overlaps each other, it is possible to stop the current in storage chamber
Go out.
When the other end of push rod is supported on diaphragm element, the other end of push rod by a pair sheet rubber separately, and stretches into
To storage chamber, so that storage chamber is connected with water outlet part by push rod, now, a part of water also can be flowed into by push rod
In water outlet part, and spray from apopore, thus soak blackboard body.During spongy body blackboard wiping body, for every string, all
It is first wiping from bottom to top, then wiping from the top down, when upper downward wiping, water is first sprayed onto in blackboard body, afterwards spongy body
In blackboard body of just erasing, the writing of corresponding site and water, so can wipe writing up hill and dale, ensure again not in blackboard body
On leave too much moisture, cause affecting the normal use to blackboard body.
Wherein, water outlet part constitutes T-shaped structure with push rod, it is ensured that blackboard body can be carried out moistening equably.
Preferably, described can the blackboard of automatic water-supply, also include: remote controller, it is connected to described control device, to
Described control device sends control signal, makes described control device control described first drive mechanism and described second drive mechanism
Work in a predefined manner.When full blackboard body has been write in writing on the blackboard, when needing erasing, teacher can first pass through remote control device control
Device, makes blackboard eraser body wipe writing on the blackboard；During blackboard eraser body is wiped, teacher first explains other guide, when blackboard eraser body wipes, and religion
Teacher writes new writing on the blackboard again.The present invention further increases the motility in the use of blackboard device.
Preferably, described the blackboard of automatic water-supply can march to described blackboard body at described second guide rail
During front side, the distance between described blackboard eraser body and described blackboard body is designed as: described blackboard eraser body is by described blackboard eraser seat and institute
State the extruding of blackboard body and deform.Blackboard eraser body generally uses sponge or cotton, when there is slight deformation, it is ensured that
Blackboard eraser body is by clean for writing erasing.
Preferably, described can in the blackboard of automatic water-supply, the initial position of described second guide rail be described blackboard this
The outside of the left side edge of body or the outside of right side edge, thus avoid interfering with religion at the second guide rail and blackboard eraser seat when not working
Teacher normally writes.
Preferably, described can be in the blackboard of automatic water-supply, the width of described blackboard eraser body is the 1.1 of described preset distance
～1.2 times, there is the overlapping of little scope in the region that i.e. the blackboard eraser body region that often row is wiped all is wiped with lastrow.Due to blackboard eraser
The marginal portion stress of body is less, the marginal portion halfway situation of erasing to blackboard body of blackboard eraser body easily occurs, on
State design and can avoid the occurrence of this situation.
Preferably, described the blackboard of automatic water-supply can be provided with protective layer on the leading section of described water outlet part,
Described protective layer is for be made up of sponge or foam.Owing to blackboard eraser body is when moving along the second guide rail, the leading section of water outlet part
Also to move along the second guide rail, in order to avoid water outlet part scratches blackboard body, water outlet part is provided with by sponge or bubble
The protective layer that foam is made.
Although embodiment of the present invention are disclosed as above, but it is not restricted in description and embodiment listed
Using, it can be applied to various applicable the field of the invention completely, for those skilled in the art, and can be easily
Realizing other amendment, therefore under the general concept limited without departing substantially from claim and equivalency range, the present invention does not limit
In specific details with shown here as the legend with description.
Claims (6)
1. one kind can the blackboard of automatic water-supply, it is characterised in that including:
Blackboard body；
Sliding frame, they a pair first guide rails including horizontally set and a second vertically arranged guide rail, a pair first
Guide rail is arranged at the outside at the upper and lower edge of described blackboard body, and described second guide rail is slidably disposed on a pair first and leads
On rail；
Blackboard eraser seat, it is slidably disposed on described second guide rail；
Blackboard eraser body, it is arranged on described blackboard eraser seat, and when described second guide rail marches to the front side of described blackboard body, institute
State blackboard eraser body to keep contacting with described blackboard body；
Collecting tank, it is connected to the following side of described blackboard eraser seat, and described collecting tank keeps at a certain distance away with described blackboard eraser body, institute
Stating the notch of collecting tank towards described blackboard eraser body, and protrude from forward the erasing face of described blackboard eraser body, described collecting tank includes
The main part being made up of rigid plastics and the front side wall being made up of rubber, keep with described blackboard body in described blackboard eraser body
During contact, described front side wall is in close contact with described blackboard body；
Storage chamber, it is formed at the inside of described blackboard eraser seat, is formed with a permeable hole in the following side of described blackboard eraser seat, described
Water hole is provided with a diaphragm element, described diaphragm element for be made up of a pair sheet rubber, the mid portion of this pair sheet rubber
Overlap each other；
Push rod, it is arranged in described collecting tank, and one end of described push rod is from front side wall logical being arranged at described collecting tank
Stretching out on hole, described push rod is through hollow structure, and one end of described push rod connects a water outlet part, described water outlet part
Rectangular laminated structure, described water outlet part perpendiculars to one another with described push rod, and described water outlet part has cavity, and described
The leading section of water outlet part offers some apopores connected with cavity, and described cavity connects with the inside of described push rod, institute
State push rod another rectify to described diaphragm element, a spring housing is located on described push rod, and one end of described spring is connected to institute
Stating the front side wall of collecting tank, the other end is connected to described push rod；When described front side wall is in close contact with described blackboard body, institute
Stating blackboard body and support one end of described push rod, the other end of described push rod applies pressure to described diaphragm element, makes described bullet
Spring is in extended state, makes the mid portion of a pair sheet rubber be separated from each other, and the other end of described push rod stretches to described water-retention
Intracavity, so that described storage chamber and described collecting tank communicate with each other, and makes described storage chamber by described push rod with described
Water outlet part connects；When described front side wall is disengaged from described blackboard body, described push rod is multiple by the effect of described spring
Position, so that the other end of described push rod departs from described diaphragm element, the mid portion of the pair of sheet rubber overlaps each other, envelope
Close described permeable hole；
First drive mechanism, it is connected to described second guide rail, to drive described second guide rail along described first slide；
And
Second drive mechanism, it is connected to described blackboard eraser seat, to drive described blackboard eraser seat along described second slide；
Controlling device, it is connected to described first drive mechanism and described second drive mechanism, controls described first drive mechanism
Work in a predefined manner with the second drive mechanism:
Described first drive mechanism and described second drive mechanism alternation, until described second guide rail is from described first guide rail
One end move the other end to described first guide rail, and in each working cycle, described first drive mechanism first drives
Described second guide rail is advanced a preset distance along described first guide rail, and described first drive mechanism then quits work, institute afterwards
Stating the second drive mechanism drives described blackboard eraser seat to move the upper end to described second guide rail from the lower end of described second guide rail again, then
Driving described blackboard eraser seat to move to lower end from the upper end of described second guide rail, described second drive mechanism quits work again, wherein,
Described preset distance is less than or equal to the width of described blackboard eraser body.
The most as claimed in claim 1 can the blackboard of automatic water-supply, it is characterised in that also include:
Remote controller, it is connected to described control device, sends control signal to described control device, makes described control device control
Described first drive mechanism and described second drive mechanism work in a predefined manner.
The most as claimed in claim 2 can the blackboard of automatic water-supply, it is characterised in that march to described black at described second guide rail
During the front side of plate body, the distance between described blackboard eraser body and described blackboard body is designed as: described blackboard eraser body is by described plate
Wipe seat and the extruding of described blackboard body and deform.
The most as claimed in claim 3 can the blackboard of automatic water-supply, it is characterised in that the initial position of described second guide rail is institute
State the outside of the left side edge of blackboard body or the outside of right side edge.
The most as claimed in claim 1 can the blackboard of automatic water-supply, it is characterised in that the width of described blackboard eraser body is described predetermined
1.1～1.2 times of distance.
The most as claimed in claim 1 can the blackboard of automatic water-supply, it is characterised in that arrange on the leading section of described water outlet part
Matcoveredn, described protective layer is for be made up of sponge or foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610737061.5A CN106142923B (en) | 2016-08-26 | 2016-08-26 | It is a kind of can automatic water-supply blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610737061.5A CN106142923B (en) | 2016-08-26 | 2016-08-26 | It is a kind of can automatic water-supply blackboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106142923A true CN106142923A (en) | 2016-11-23 |
| CN106142923B CN106142923B (en) | 2018-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610737061.5A Active CN106142923B (en) | 2016-08-26 | 2016-08-26 | It is a kind of can automatic water-supply blackboard |
Country Status (1)
| Country | Link |
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| CN (1) | CN106142923B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107351573A (en) * | 2016-12-20 | 2017-11-17 | 樊艳姣 | A kind of teaching aid |
| CN108146118A (en) * | 2017-12-26 | 2018-06-12 | 彭红星 | A kind of sliceable blackboard eraser of environment-friendly type multimode |
| CN108215600A (en) * | 2018-04-15 | 2018-06-29 | 李昶进 | A kind of device of quick erasing blackboard |
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| CN2136751Y (en) * | 1992-04-14 | 1993-06-23 | 孙四保 | Electric blackboard eraser with dust catcher |
| JPH11123119A (en) * | 1997-07-29 | 1999-05-11 | Chang-Ho Jang | Cleaning blackboard |
| CN202319517U (en) * | 2011-11-29 | 2012-07-11 | 吕宜生 | Water erasing blackboard |
| CN204712749U (en) * | 2015-06-19 | 2015-10-21 | 吴忠昊 | A kind of water flowing blackboard eraser |
| CN205439690U (en) * | 2015-12-28 | 2016-08-10 | 郑州工业应用技术学院 | Automatic wash blackboard |
| CN105667150A (en) * | 2016-03-24 | 2016-06-15 | 尹全宝 | Washing dustproof chalk dust erasing device |
| CN105667137A (en) * | 2016-03-24 | 2016-06-15 | 尹全宝 | Cyclic utilization device for removing chalk dust by means of washing |
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| CN107351573A (en) * | 2016-12-20 | 2017-11-17 | 樊艳姣 | A kind of teaching aid |
| CN108146118A (en) * | 2017-12-26 | 2018-06-12 | 彭红星 | A kind of sliceable blackboard eraser of environment-friendly type multimode |
| CN108215600A (en) * | 2018-04-15 | 2018-06-29 | 李昶进 | A kind of device of quick erasing blackboard |
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| CN106142923B (en) | 2018-03-27 |
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