CN110525094A - A kind of blackboard eraser and its application method - Google Patents
A kind of blackboard eraser and its application method Download PDFInfo
- Publication number
- CN110525094A CN110525094A CN201910851161.4A CN201910851161A CN110525094A CN 110525094 A CN110525094 A CN 110525094A CN 201910851161 A CN201910851161 A CN 201910851161A CN 110525094 A CN110525094 A CN 110525094A
- Authority
- CN
- China
- Prior art keywords
- powder
- blackboard
- wiper rolls
- chalk dust
- collection cavity
- 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
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
- B43L21/00—Blackboard or slate cleaning devices
-
- 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
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses a kind of blackboard eraser and its application methods, belong to teaching equipment field, blackboard eraser includes the collection powder outer box along the setting of blackboard length direction, first wiper rolls, second wiper rolls, the outer wall of first wiper rolls, the outer wall of second wiper rolls, collect and forms powder collection cavity between the inner wall of powder outer box, the outer wall of first wiper rolls, the outer wall of second wiper rolls, it is formed between the writing surface of blackboard and gets rid of powder concentration channel, getting rid of powder concentrates channel to be connected with powder collection cavity, when blackboard eraser is moved upwardly by wiping blackboard along the short transverse of blackboard, chalk dust under wiping on blackboard writing face is got rid of to drop down onto and be got rid of in powder concentration channel by the first wiper rolls, second wiper rolls, which gets rid of chalk dust, to be fallen in powder collection cavity.Blackboard eraser disclosed by the invention is realized to be blocked immediately and be sent into powder collection cavity by the chalk dust under wiping from blackboard writing face and be concentrated, and chalk dust leakage is avoided to wave to a greater degree, relatively sanitary.
Description
Technical field
The present invention relates to teaching equipment field more particularly to a kind of blackboard eraser and its application methods.
Background technique
During education and instruction, the flexibility of traditional instruction and convenience make many teachers in teaching process all
Habit carries out writing and teaching with chalk on blackboard, and letter written with chalk needs to wipe and clean using blackboard eraser after writing, but
It is that existing most of ordinary blackboard erasers are time-consuming and laborious during erasing the board, dust is easy to cause to wave, is not only not easy to beat
It sweeps, also there is very big threat to the health of teachers and students.Therefore, there is device for blackboard eraser and automatic blackboard eraser, it can be more
Easily wipe chalk writing.
But existing device for blackboard eraser and automatic blackboard eraser, structure usually by outer housing and are set in outer housing
Wiping block or wiper rolls constitute, wiping block or wiper rolls are both needed to stretch out outer housing and be in contact with the writing surface of blackboard, wipe
Gap is then certainly existed between block or wiper rolls and blackboard writing face, between wiping block or wiper rolls and outer housing, is being wiped across
Cheng Zhong will lead to chalk dust and wave from all directions, from blackboard book as long as wiping block or wiper rolls have wiped blackboard writing face i.e.
Write the chalk dust under being wiped on face can not by time be sent into chalk dust dust stratification slot in (even if being provided with fan Blackboard eraser capable of absorbing dust,
It can not still ensure that is waved in each gap is inhaled by the chalk dust under wiping, and the blackboard of the dust collection mechanisms such as fan is set
Structure is complicated for wiping, and stability is poor, especially works in the environment of being full of chalk dust, motor and fan are easily stuck, and are produced into
This and maintenance cost are high), chalk dust still can be between wiping block or wiper rolls and blackboard writing face and between outer housing
Gap blow out, the teachers and students of still unavoidable close device for blackboard eraser or automatic blackboard eraser suck more chalk dust.
Summary of the invention
For overcome the deficiencies in the prior art, technical problem to be solved by the present invention lies in propose a kind of blackboard eraser and its
Application method is concentrated with realizing to be blocked immediately and be sent into powder collection cavity by the chalk dust under wiping from blackboard writing face,
Chalk dust leakage is avoided to wave to a greater degree, it is relatively sanitary.
The technical scheme adopted by the invention is that:
A kind of blackboard eraser provided by the invention, including along blackboard length direction setting collection powder outer box, the first wiper rolls,
Second wiper rolls；First wiper rolls and second wiper rolls are rotatablely arranged at the inside of the collection powder outer box,
First wiper rolls is located at the top of second wiper rolls；The outer wall of first wiper rolls, second wiper rolls
Outer wall, the collection powder outer box inner wall between form powder collection cavity, the outer wall of first wiper rolls, second wiper rolls it is outer
Wall, the blackboard writing surface between formed get rid of powder concentrate channel, it is described get rid of powder concentrate channel be connected with the powder collection cavity；When
When the blackboard eraser is moved upwardly by the wiping blackboard along the short transverse of the blackboard, first wiper rolls and described second
Wiper rolls successively wipes the writing surface of the blackboard, and the steering of first wiper rolls and second wiper rolls is on the contrary, described
First wiper rolls, which gets rid of the chalk dust under wiping on the blackboard writing face, to be dropped down onto the powder that gets rid of and concentrates in channel, and described second
The chalk dust is got rid of and is fallen in the powder collection cavity by wiper rolls.
As the further improvement of this programme, the first powder-wiping plate and second that is internally provided with of the collection powder outer box scrapes powder
Plate, first powder-wiping plate are used to scrape the chalk dust of the first wiping roller surface into the powder collection cavity, and described second
Powder-wiping plate is used to scrape the chalk dust of the second wiping roller surface into the powder collection cavity.
As the further improvement of this programme, the short transverse of blackboard described in two lateral edges of the blackboard is respectively arranged with one
Gear bar is driven between first wiper rolls and second wiper rolls by gear set, the gear set and the gear
Item engaged transmission.
As the further improvement of this programme, the gear set includes the driving tooth being set on first wiper rolls
The driven gear taken turns, be set on second wiper rolls, the driving gear are meshed with the driven gear, when described black
When blackboard eraser is moved upwardly by the wiping blackboard along the short transverse of the blackboard, the driving gear engages biography with the gear bar
It is dynamic.
As the further improvement of this programme, the both ends of the collection powder outer box are respectively arranged with a limit cover board, the limit
Position cover board is provided with limiting section far from one end of the collection powder outer box, and the limiting section extends to the non-back of tooth of the gear bar
Face, the limiting section and the non-rear flank clearance fit.
As the further improvement of this programme, the blackboard eraser further includes the hawk that pushes away being set in the powder collection cavity, institute
It states and pushes away hawk for the chalk dust deposited in the powder collection cavity to be released the powder collection cavity.
As the further improvement of this programme, the two sides for pushing away hawk are connected separately with a drawstring, and two drawstrings are remote
It is described to push away when a lasting pulling wherein drawstring from the outside that described one end for pushing away hawk all extends to the powder collection cavity
Hawk is moved along the length direction of the powder collection cavity and the ash discharge by the chalk dust deposited in the powder collection cavity by the powder collection cavity
Mouth is released；When another drawstring of lasting pulling, the hawk that pushes away is drawn back into original position in the powder collection cavity.
As the further improvement of this programme, first wiper rolls includes central axis and is set to outside the central axis
Cleaning part, the cleaning part includes that brush and cloth wipe portion.
As the further improvement of this programme, the blackboard eraser further include the pressure water pocket being set on the central axis, with
The water outlet water-supply-pipe being connected of the pressure water pocket, several water spouts for being connected with the inside of the water-supply-pipe, it is described
The inner hollow of central axis, the water-supply-pipe and several described water spouts are all set in the inside of the central axis, several
The water spray end of the water spout extends through the outer wall of the central axis and extends to the brush position.
A kind of application method of above-mentioned blackboard eraser, comprising the following steps:
S101: powder outer box will be collected by being pulled on the outside of the writing surface of the blackboard bottom below blackboard；
S102: pushing the collection powder outer box to the direction close to the blackboard writing face, wipes the first wiper rolls and second
It wipes roller to be in contact with the writing surface of the blackboard, and pushes the collection powder outer box upward along the short transverse of the blackboard；
S103: driving gear engages rotation in gear bar, make first wiper rolls along the blackboard writing towards
Lower rotation wipes the writing surface of the blackboard, and the chalk dust under wiping is got rid of to drop down onto and is got rid of in powder concentration channel, and described second wipes
The writing surface that roller rotates upwardly the blackboard of the wiping after first wiper rolls wiping along the writing of the blackboard is wiped, and
The lower chalk dust of wiping is got rid of to described and is got rid of in powder concentration channel, meanwhile, second wiper rolls wiped under chalk dust
Got rid of with first wiper rolls drop down onto it is described get rid of powder the chalk dust in channel concentrated to get rid of drop down onto powder collection cavity；
S104: the first powder-wiping plate scrapes the chalk dust of the first wiping roller surface adhesion into the powder collection cavity, the
Two powder-wiping plates scrape the chalk dust of the second wiping roller surface adhesion into the powder collection cavity；
S105: squeezing pressure water pocket, so that the water in the pressure water pocket is delivered to water spout through water-supply-pipe, water spout sprays water mist
To the brush of first wiper rolls, brush the brush to the spot on the writing surface of the blackboard；
S106: after pushing collection powder outer box to the top of the blackboard, pulling back the collection powder outer box, makes described
First wiper rolls and second wiper rolls are mutually separated with the writing surface of the blackboard, and push down on the collection powder outer box,
The collection powder outer box are made to be moved to the lower section original position of the blackboard, blackboard-cleaning finishes；
S107: when that need to be purged to the chalk dust deposited in the powder collection cavity, the drawstring for pushing away hawk one end is pulled, is made
It pushes away hawk and moves the ash hole release pushed the chalk dust of deposition and through powder collection cavity along powder collection cavity length direction；It is pushed away described in pulling
The drawstring of the hawk other end will push away hawk and move backward to original position.
Compared with prior art, the beneficial effects of the present invention are:
A kind of blackboard eraser provided by the invention, by along blackboard length direction be arranged collection powder outer box, the first wiper rolls and
Second wiper rolls, the outer wall of the first wiper rolls, the second wiper rolls outer wall, collect and form powder collection cavity between the inner walls of powder outer box, the
The outer wall of one wiper rolls, the outer wall of the second wiper rolls, blackboard writing surface between formed get rid of powder concentrate channel, along blackboard height
Direction be moved upwardly by wiping blackboard when (anti-chalk dust gravity direction, making can when chalk dust falls due to gravity in wiping process
It is collected to a greater degree, prevents chalk dust from descending slowly and lightly), wiping blackboard is rotated down along the writing surface of blackboard by the first wiper rolls
Writing surface, immediately will can be involved in downwards with the first wiper rolls outer wall by the chalk dust under wiping and (be involved in direction along chalk dust
Gravity direction is involved in immediately after moving chalk dust by wiping), and get rid of to drop down onto and get rid of in powder concentration channel, meanwhile, the second wiper rolls exists
Below first wiper rolls, the second wiper rolls, which is turned to, to be turned to the first wiper rolls on the contrary, the writing along blackboard rotates upwardly wiping
The writing surface of blackboard carries out secondary wiping to the blackboard writing face after the wiping of the first wiper rolls, improves wiping effect, the second wiping
Roller will get rid of upwards powder from the chalk dust under the wiping of blackboard writing face immediately and concentrate in channel, and the wiping of the second wiper rolls is fallen
Chalk dust and the first wiper rolls get rid of the chalk dust fallen while being got rid of to drop down onto powder collection cavity with the outer wall of the second wiper rolls and collect.
Above-mentioned to can be seen that, the chalk writing on blackboard writing face can be immediately involved in after dynamic by wiping gets rid of powder concentration channel
Middle block is then got rid of and is concentrated into powder collection cavity, and the chalk dust under being wiped can be effectively prevent to wipe from the first wiper rolls and second
It leaks between roller and blackboard writing face and between collection powder outer box and waves out, dramatically avoid the chalk when erasing the board
Waving for ash, it is relatively sanitary, conducive to the health of teachers and students.And push and wipe to the last time, the writing surface of blackboard can be wiped
Only, more fast.
Detailed description of the invention
Fig. 1 is a kind of schematic view of the front view of the blackboard eraser provided in the specific embodiment of the invention；
Fig. 2 is a kind of left view structural representation of the blackboard eraser (removal pressure water pocket) provided in the specific embodiment of the invention
Figure；
Fig. 3 is a kind of vertical view knot of the blackboard eraser (removal pressure water pocket and wiring column) provided in the specific embodiment of the invention
Structure schematic diagram；
Fig. 4 is a kind of front view structure signal of the blackboard eraser (collection powder outer box section view) provided in the specific embodiment of the invention
Figure；
Fig. 5 be the first wiper rolls provided in the specific embodiment of the invention, the second wiper rolls, collection powder outer box match
Left view structural representation；
Fig. 6 is the left view structural representation of the gear set provided in the specific embodiment of the invention and gear bar cooperation；
Fig. 7 is the overlooking structure diagram for pushing away hawk and matching with powder collection cavity provided in the specific embodiment of the invention.
In figure:
1, collect powder outer box；6, blackboard；2, the first wiper rolls；3, the second wiper rolls；4, powder collection cavity；5, it gets rid of powder and concentrates channel；
11, the first powder-wiping plate；12, the second powder-wiping plate；7, gear bar；20, driving gear；30, driven gear；13, cover board is limited；130,
Limiting section；40, hawk is pushed away；400, drawstring；41, ash hole；21, central axis；22, cleaning part；221, brush；222, cloth is wiped
Portion；8, water pocket is pressed；81, water-supply-pipe；82, water spout；71, convex block；410, go out tepetate；14, push and pull bar；131, wiring column；
401, bottom cross plate；402, push plate is erected.
Specific embodiment
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing and technical solution needed in technical description to be briefly described, it should be apparent that, be described below in it is attached
Figure is only some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
The following further describes the present invention with reference to the drawings.
As shown in Figures 1 to 7, a kind of blackboard eraser provided in this embodiment, including along the collection of 6 length direction of blackboard setting
Powder outer box 1, the first wiper rolls 2, the second wiper rolls 3, the first wiper rolls 2 and the second wiper rolls 3 are rotatablely arranged at collection powder
The inside of outer box 1, the first wiper rolls 2 are located at the top of the second wiper rolls 3, collection powder outer box 1 close to blackboard a side opening, first
Wiper rolls 2 and the second wiper rolls 3 be rotatablely arranged at the opening, the outer wall of the first wiper rolls 2, the second wiper rolls 3
Outer wall collects formation powder collection cavity 4, the outer wall of the first wiper rolls 2, the outer wall of the second wiper rolls 3, blackboard 6 between the inner wall of powder outer box 1
Writing surface between formed get rid of powder concentrate channel 5, get rid of powder concentrate channel 5 be connected with powder collection cavity 4.When blackboard eraser is along blackboard 6
Short transverse be moved upwardly by wiping blackboard 6 when (anti-chalk dust gravity direction, makes chalk dust in wiping process fall due to gravity
When can be collected to a greater degree, prevent chalk dust from descending slowly and lightly), the first wiper rolls 2 and the second wiper rolls 3 successively wipe blackboard 6
The steering of writing surface, the first wiper rolls 2 and the second wiper rolls 3 is on the contrary, the first wiper rolls 2 is rotated down along the writing surface of blackboard 6
The writing surface of blackboard 6 is wiped, immediately (the side of being involved in will can be involved in downwards with 2 outer wall of the first wiper rolls by the chalk dust under wiping
To along chalk dust gravity direction, it is involved in immediately after moving chalk dust by wiping), and get rid of to drop down onto and get rid of in powder concentration channel 5, meanwhile,
Second wiper rolls 3 is located at 2 lower section of the first wiper rolls, and the second wiper rolls 3, which is turned to, to be turned to the first wiper rolls 2 on the contrary, along blackboard 6
The writing surface for writing rotation wiping blackboard 6 upwardly carries out secondary wiping to 6 writing surface of blackboard after the wiping of the first wiper rolls 2,
Improve wiping effect, the second wiper rolls 3 will be got rid of upwards immediately from the lower chalk dust of 6 writing surface of blackboard wiping into getting rid of powder concentration channel
In 5, and 3 scraping chalk dust of the second wiper rolls and the first wiper rolls 2 get rid of the chalk dust fallen simultaneously with the outer of the second wiper rolls 3
Wall is got rid of to drop down onto and be collected in powder collection cavity 4.It is above-mentioned to can be seen that, blackboard eraser provided in this embodiment, when wiping blackboard, the first wiping
Roller 2 and the rotation wiping among up and down direction respectively of the second wiper rolls 3, so that the chalk writing on blackboard writing face is dynamic by wiping
After can immediately be involved in get rid of powder concentrate channel in block, then got rid of and concentrated into powder collection cavity, can be effectively prevent under being wiped
Chalk dust waves between 6 writing surface of the first wiper rolls 2 and the second wiper rolls 3 and blackboard and collecting to leak between powder outer box 1
Out, waving for when erasing the board chalk dust is dramatically avoided, it is relatively sanitary, conducive to the health of teachers and students.
To be struck off convenient for the chalk dust that sticks the first wiper rolls 2 and 3 outer surface of the second wiper rolls, further,
Collection powder outer box 1 are internally provided with the first powder-wiping plate 11 and the second powder-wiping plate 12, and the first powder-wiping plate 11 is used for the first wiper rolls 2
The chalk dust on surface is scraped into powder collection cavity 4, and the first powder-wiping plate 11 is located at the side of the first wiper rolls 2, and the first powder-wiping plate 11 can
It is fixed on the inner sidewall or inner roof wall of collection powder outer box 1, the second powder-wiping plate 12 is for scraping the chalk dust on 3 surface of the second wiper rolls
Into powder collection cavity 4, the second powder-wiping plate 12 is located at the side of the second wiper rolls 3, and the second powder-wiping plate 12 is securable to collection powder outer box 1
Inner sidewall or inner roof wall.In the first wiper rolls 2 and the second wiper rolls 3 rotation wiping blackboard 6, the first wiper rolls 2 is i.e. in collection powder
It is scraped in chamber 4 with 11 phase of the first powder-wiping plate, the chalk dust of 2 surface adhesion of the first wiper rolls can be scraped into powder collection cavity 4 and be concentrated, the
Two wiper rolls 3 are scraped in powder collection cavity 4 with 12 phase of the second powder-wiping plate, and the chalk dust that 3 surface of the second wiper rolls is adhered to is scraped, from
And the first wiper rolls 2 and the second wiper rolls 3 will not be sticked again the chalk dust on its surface when wiping blackboard 6 next time
In on blackboard, guarantee the wiping effect to blackboard.
For the rotation convenient for driving the first wiper rolls 2 and the second wiper rolls 3, further, two lateral edge blackboards 6 of blackboard 6
Short transverse be respectively arranged with a gear bar 7, between the first wiper rolls 2 and the second wiper rolls 3 pass through gear set be driven, gear
Group and 7 engaged transmission of gear bar.
Specifically, gear set includes the driving gear 20 being set on the first wiper rolls 2, is set on the second wiper rolls 3
Driven gear 30, the two sides of the first wiper rolls 2 are respectively arranged with a driving gear 20, and the two sides of the second wiper rolls 3 are set respectively
It is equipped with a driven gear 30, the driving gear 20 of 2 two sides of the first wiper rolls driven gear 30 with 3 two sides of the second wiper rolls respectively
It is meshed, when blackboard eraser is moved upwardly by wiping blackboard 6 along the short transverse of blackboard 6, driving gear 20 engages biography with gear bar 7
Dynamic, driven gear 30 and gear bar 7 are contactless state.When the short transverse along blackboard pushes collection powder outer box 1 upward, actively
Gear 20 rotates in gear bar 7, to drive the first wiper rolls 2 to be rotated down along the writing surface of blackboard, while driving tooth
20 driving driven gear 30 of wheel rotates, and driven gear 30 drives the second wiper rolls 3 to rotate upwardly along the writing of blackboard, thus real
Now the closing type of the chalk writing in blackboard writing face is wiped, makes to be got rid of by scraping chalk dust to getting rid of powder and concentrates in channel 5,
It is then dumped into powder collection cavity and concentrates.Collect and be provided with push and pull bar 14 on the lateral wall of powder outer box 1, convenient for manual hold push-and-pull collection
Powder outer box 1.
Certainly, motor can also be set in collection powder outer box 1, is rotated by motor driven driving gear 20.In the present embodiment
It being driven by Manual mechanical, structural stability is high, and it is at low cost, it is easy to maintain, and the electric devices such as motor are under dust atmosphere
Using easy to damage.
To prevent blackboard eraser from influencing the writing on blackboard, further, the lower end of gear bar 7 when being not required to wiping blackboard
Collection powder outer box 1 can be pulled to 6 lower section of blackboard when being not required to wiping by the lower section for all extending to blackboard 6.The lower end of gear bar 7 is set
It is equipped with convex block 71, can support collection powder outer box 1, support when being located at below blackboard convenient for blackboard eraser.
Connection when to push convenient for collection powder outer box 1 between gear bar 7 cooperates, and further, collects the both ends of powder outer box 1
It is respectively arranged with a limit cover board 13 (can be fixedly connected by screw, be easy to dismount), limit cover board 13 is far from collection powder outer box 1
One end is provided with limiting section 130, and limiting section 130 is the raised line perpendicular with limit cover board 13, and limiting section 130 extends to gear bar
7 non-rear flank prevents collection powder outer box 1 to be detached from tooth so that collection powder outer box 1 are matched with gear bar 7 always when moving up and down
Item 7, limiting section 130 and non-rear flank clearance fit are taken turns, when pushing collection powder outer box 1 to blackboard writing face, 2 He of the first wiper rolls
Second wiper rolls 3 is in contact with the writing surface of blackboard, convenient for pushing up wiping blackboard, collects powder outer box 1 when pulling back
When, the first wiper rolls 2 and the second wiper rolls 3 are mutually separated with the writing surface of blackboard, are resetted convenient for pulling downward on collection powder outer box 1
To below blackboard, the chalk dust of its surface adhesion is not sticked at the writing surface of blackboard by the first wiper rolls 2 and the second wiper rolls 3 again
On.Driving gear 20 is meshed with gear bar 7 always.
Further, the both ends of the first wiper rolls 2 pass through bearing respectively and are connected with the limit cover board 13 for collecting 1 both ends of powder outer box
It connects, the both ends of the second wiper rolls 3 pass through bearing respectively and are connected with the limit cover board 13 for collecting 1 both ends of powder outer box.
For the chalk dust convenient for concentrating in centralized processing powder collection cavity 4, further, blackboard eraser further includes being set to powder collection cavity
Hawk 40 is pushed away in 4, pushes away hawk 40 for the chalk dust deposited in powder collection cavity 4 to be released powder collection cavity 4, convenient for centralized processing deposition
Chalk dust.
Specifically, the two sides for pushing away hawk 40 are connected separately with a drawstring 400, and two drawstrings 400 are far from the one end for pushing away hawk 40
The outside for all extending to powder collection cavity 4, when a lasting pulling wherein drawstring 400, the length direction for pushing away hawk 40 along powder collection cavity 4 is moved
It moves and releases the chalk dust deposited in powder collection cavity 4 by the ash hole 41 of powder collection cavity 4, when another drawstring 400 of lasting pulling, push away
Hawk 40 is drawn back into original position in powder collection cavity 4.The lower end of second powder-wiping plate 12 is fixed on the bottom wall of collection powder outer box 1, and second
Powder-wiping plate 12 is obliquely installed, and is made the lower part of powder collection cavity 4 in up big and down small inverted trapezoidal, is pushed away the shape and powder collection cavity 4 of hawk 40
The lower part shape is adapted, and is steadily moved convenient for pushing away hawk 40 along 4 length direction of powder collection cavity.
Further, ash hole 41 is set to the middle part of collection powder outer box 1, is detachably provided with out tepetate on ash hole 41
410, the both ends of powder collection cavity 4 are respectively arranged with one and push away hawk 40, and two to push away hawk 40 equal close to 400 end of a drawstring of ash hole 41
The outside of ash hole 41 is extended to, two, which push away drawstring 400 end of the hawk 40 far from ash hole 41, runs through limit cover board 13 and prolong
Outside is extended to, collects and is provided with wiring column 131 outside the limit cover board 13 at 1 both ends of powder outer box, push away hawk 40 two and be located at
When 4 both ends of powder collection cavity, two push away hawk 40 is wound on wiring column 131 far from a drawstring 400 of ash hole 41.It is heavy that need to clear up
When long-pending chalk dust, by opening out tepetate 410, drawstring 400 of the hawk 40 far from ash hole 41 is pushed away from wiring column 131 by two
It unloads, by two drawstrings 400 at pulling ash hole 41, makes two to push away hawk 40 and moved to the direction close to ash hole 41, from
And the chalk dust of 4 left and right sides of powder collection cavity is pushed to ash hole 41 and is discharged, it can be positioned below container undertaking, can more quickly receive
Collect the chalk dust in powder collection cavity 4, and can prevent from causing because being only arranged one and pushing away hawk 40 that the chalk dust pushed is excessive and overflows to the
Two wiper rolls, 3 surface.
The stability when movement of hawk 40 is pushed away to improve, and further, is pushed away hawk 40 and is included bottom cross plate 401, is set to institute
State the perpendicular push plate 402 on bottom cross plate 401, stable structure is high, make to push away hawk 40 it is mobile when more smoothly push chalk dust without
Topple over skew.
To improve the wiping effect to stain on blackboard, further, the first wiper rolls 2 includes central axis 21 and sets
The cleaning part 22 being placed in outside central axis 21, cleaning part 22 include that brush 221 and cloth wipe portion 222.Blackboard 6 had been used for a long time
Cheng Zhong, on writing surface it is often easy to stick it is dry with water droplet ining conjunction with dust after spot, and writing exerts oneself larger and makes blackboard
There are various small grooves in writing surface, and the chalk dust in above-mentioned spot and groove can be brushed by the bristle of brush 221.
Cloth wipes portion 222 can be identical as the wiper material of ordinary blackboard eraser.Circumferential along the outer surface of the first wiper rolls 2, brush 221 is omited
Protrusion cloth wipes the surface in portion 222, and the bristle of brush can be made to contact with the extruding of the writing surface of blackboard 6, enhance the removing to spot
Effect.Second wiper rolls 3 includes central rotating shaft and the wiping housing that is set to outside central rotating shaft, wiping housing can with it is common black
The wiper material of blackboard eraser is identical, and driven gear 30 is set to the both ends of central rotating shaft.
Further, blackboard eraser further include the pressure water pocket 8 being set on central axis 21, with pressure water pocket 8 water outlet be connected
Logical water-supply-pipe 81, several water spouts 82 being connected with the inside of water-supply-pipe 81, the inner hollow of central axis 21 press water pocket
8 are fixedly installed on the end of central axis 21, and water-supply-pipe 81 and several water spouts 82 are fixedly installed on the inside of central axis 21,
The water spray end of several water spouts 82 extends through the outer wall of central axis 21 and extends in brush 221.Pressure water pocket 8 is rubber
The soft air bag of material presses and is provided with filler on water pocket 8, is provided on filler and adds water plug, add water plug can be with filler spiral shell
Line connection adds water plug that can add water into pressure water pocket 8, presses water pocket 8 by pressing, can make to press the water in water pocket 8 to pass through by opening
Water-supply-pipe 81 is squeezed to water spout 82, is sprayed from water spout 82 to brush 221, blackboard writing face capable of washing, and to blackboard book
The spot write on face is soaked, to be easy to remove.Meanwhile pressure water pocket 8, brush 221 are pressed when pushing and collecting powder outer box 1
It is scraped with the first powder-wiping plate 11 when contacting, droplet can be scraped to pop-up, there is dust-laying effect, make the chalk dust in powder collection cavity 4 can be more
It drop to the bottom of powder collection cavity 4 fastly.
A kind of application method of blackboard eraser provided by the above embodiment, comprising the following steps:
S101: pulling push and pull bar 14, and collection powder outer box 1 are pulled to outside the writing surface of blackboard bottom by the lower section of blackboard 6
Side；
S102: collection powder outer box 1 are pushed to the direction close to 6 writing surface of blackboard, make the first wiper rolls 2 and the second wiper rolls 3
It is in contact with the writing surface of blackboard 6, and pushes collection powder outer box 1 upward along the short transverse of blackboard 6；
S103: driving gear 20 engages rotation in gear bar 7, revolves the first wiper rolls 2 downwards along the writing of blackboard 6
Turn the writing surface of wiping blackboard 6, and the chalk dust under wiping is got rid of to drop down onto and is got rid of in powder concentration channel 5, the second wiper rolls 3 is along blackboard
Rotation wipes the writing surface of the blackboard 6 after the wiping of the first wiper rolls 2 upwardly for 6 writing, and the chalk dust under wiping is got rid of
To get rid of powder concentrate channel 5 in, meanwhile, the second wiper rolls 3 wiped under chalk dust and the first wiper rolls 2 get rid of to drop down onto and get rid of powder collection
Chalk dust in middle channel 5, which is got rid of, to be dropped down onto powder collection cavity 4；
S104: the first powder-wiping plate 11 scrapes the chalk dust of 2 surface of the first wiper rolls adhesion into powder collection cavity 4, and second scrapes
Powder plate 12 scrapes the chalk dust of 3 surface of the second wiper rolls adhesion into powder collection cavity 4；
S105: squeezing pressure water pocket 8, makes to press the water in water pocket 8 to be delivered to water spout 82 through water-supply-pipe 81, and water spout 82 is by water
Mist is sprayed onto the brush 221 of the first wiper rolls 2, brushes brush 221 to the spot on the writing surface of blackboard 6；
S106: after pushing collection powder outer box 1 to the top of blackboard 6, collection powder outer box 1 is pulled back, 2 He of the first wiper rolls is made
Second wiper rolls 3 is mutually separated with the writing surface of blackboard 6, and pushes down on collection powder outer box 1, and collection powder outer box 1 is made to be moved to blackboard 6
Lower section original position, on convex block 71, blackboard-cleaning finishes frame；
S107: when needing to be purged the chalk dust deposited in powder collection cavity 4 after a period of use, pulling pushes away hawk 40
The drawstring 400 of one end, makes to push away hawk 40 to move along 4 length direction of powder collection cavity and pushes the chalk dust of deposition and through powder collection cavity 4
Ash hole 41 is released；The drawstring 400 for pushing away 40 other end of hawk is pulled, the reverse movement of hawk 40 will be pushed away to original position.
It can be seen that by above-described embodiment, blackboard eraser provided by the embodiment is driven by Purely mechanical, without introducing motor etc.
Current consuming apparatus, more reliable and more stable, realizing will can be blocked by instant in getting rid of from blackboard writing face by the lower chalk dust of wiping
Powder is concentrated in channel and is sent into powder collection cavity and concentrates, and chalk dust leakage is dramatically avoided to wave, relatively sanitary, more beneficial to teacher
Raw health, significantly improving existing device for blackboard eraser not can avoid the problem of chalk dust is leaked out and waved in wiping process.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
The change or replacement expected without creative work, should be covered by the protection scope of the present invention.Therefore, of the invention
Protection scope should be determined by the scope of protection defined in the claims.
Claims (10)
1. a kind of blackboard eraser, it is characterised in that:
Including the collection powder outer box (1) along the setting of blackboard (6) length direction, the first wiper rolls (2), the second wiper rolls (3)；
First wiper rolls (2) and second wiper rolls (3) are rotatablely arranged at the interior of collection powder outer box (1)
Portion, first wiper rolls (2) are located at the top of second wiper rolls (3)；
The outer wall of first wiper rolls (2), the outer wall of second wiper rolls (3), collection powder outer box (1) inner wall between
Formed powder collection cavity (4), the outer wall of first wiper rolls (2), the outer wall of second wiper rolls (3), the blackboard (6) book
It writes to be formed between face and gets rid of powder concentration channel (5), the powder that gets rid of concentrates channel (5) to be connected with the powder collection cavity (4)；
When the blackboard eraser is moved upwardly by along the short transverse of the blackboard (6) wipes blackboard (6), first wiping
Roller (2) and second wiper rolls (3) successively wipe the writing surface of the blackboard (6), first wiper rolls (2) and described
The steerings of two wiper rolls (3) on the contrary, first wiper rolls (2) will be wiped from the blackboard (6) writing surface under chalk dust
It gets rid of and is got rid of in powder concentration channel (5) described in dropping down onto, second wiper rolls (3), which gets rid of the chalk dust, drops down onto the powder collection cavity (4)
In.
2. a kind of blackboard eraser according to claim 1, it is characterised in that:
Collection powder outer box (1) is internally provided with the first powder-wiping plate (11) and the second powder-wiping plate (12)；
First powder-wiping plate (11) is for scraping the chalk dust on the first wiper rolls (2) surface to the powder collection cavity (4)
In；
Second powder-wiping plate (12) is for scraping the chalk dust on the second wiper rolls (3) surface to the powder collection cavity (4)
In.
3. a kind of blackboard eraser according to claim 1, it is characterised in that:
The short transverse of blackboard (6) described in two lateral edges of the blackboard (6) is respectively arranged with a gear bar (7)；
It is driven between first wiper rolls (2) and second wiper rolls (3) by gear set；
The gear set and the gear bar (7) engaged transmission.
4. a kind of blackboard eraser according to claim 3, it is characterised in that:
The gear set includes the driving gear (20) being set on first wiper rolls (2), is set to second wiping
Driven gear (30) on roller (3)；
The driving gear (20) is meshed with the driven gear (30)；
When the blackboard eraser is moved upwardly by along the short transverse of the blackboard (6) wipes blackboard (6), the driving gear
(20) with the gear bar (7) engaged transmission.
5. a kind of blackboard eraser according to claim 3, it is characterised in that:
The both ends of collection powder outer box (1) are respectively arranged with a limit cover board (13)；
Limit cover board (13) is provided with limiting section (130) far from one end of collection powder outer box (1)；
The limiting section (130) extends to the non-rear flank of the gear bar (7)；
The limiting section (130) and the non-rear flank clearance fit.
6. a kind of blackboard eraser according to claim 1, it is characterised in that:
The blackboard eraser further includes being set in the powder collection cavity (4) to push away hawk (40)；
The chalk dust that hawk (40) are pushed away for will deposit in the powder collection cavity (4) releases the powder collection cavity (4).
7. a kind of blackboard eraser according to claim 6, it is characterised in that:
The two sides for pushing away hawk (40) are connected separately with a drawstring (400)；
Two drawstrings (400) all extend to the outside of the powder collection cavity (4) far from described one end for pushing away hawk (40)；
When lasting pulling wherein drawstring (400), the hawk (40) that pushes away is moved along the length direction of the powder collection cavity (4)
Chalk dust that is dynamic and will depositing in the powder collection cavity (4) is released by the ash hole (41) of the powder collection cavity (4)；It is pulled separately when lasting
When one drawstring (400), the hawk (40) that pushes away is drawn back into original position in the powder collection cavity (4).
8. a kind of blackboard eraser according to claim 1, it is characterised in that:
First wiper rolls (2) includes central axis (21) and the cleaning part (22) for being set to the central axis (21) outside；
The cleaning part (22) includes that brush (221) and cloth wipe portion (222).
9. a kind of blackboard eraser according to claim 8, it is characterised in that:
The blackboard eraser further includes the pressure water pocket (8) being set on the central axis (21), the water outlet with pressure water pocket (8)
The water-supply-pipe (81) being connected, several water spouts (82) being connected with the inside of the water-supply-pipe (81)；
The inner hollow of the central axis (21)；
The water-supply-pipe (81) and several described water spouts (82) are all set in the inside of the central axis (21)；
The water spray end of several water spouts (82) extends through the outer wall of the central axis (21) and extends to the hairbrush
In portion (221).
10. a kind of application method of blackboard eraser according to any one of claims 1 to 9, which is characterized in that including following step
It is rapid:
S101: powder outer box (1) will be collected by being pulled on the outside of the writing surface of the blackboard bottom below blackboard (6)；
S102: pushing the collection powder outer box (1) to the direction close to the blackboard (6) writing surface, makes the first wiper rolls (2) and the
Two wiper rolls (3) are in contact with the writing surface of the blackboard (6), and push institute upward along the short transverse of the blackboard (6)
State collection powder outer box (1)；
S103: driving gear (20) engages rotation on gear bar (7), makes first wiper rolls (2) along the blackboard (6)
Writing surface is rotated down the writing surface for wiping the blackboard (6), and the chalk dust under wiping is got rid of to drop down onto and gets rid of powder concentration channel (5)
In, second wiper rolls (3) rotates upwardly wiping along the writing of the blackboard (6) and wipes through first wiper rolls (2)
The writing surface of the blackboard (6) afterwards, and the chalk dust under wiping is got rid of to the powder that gets rid of and is concentrated in channel (5), meanwhile, it is described
Second wiper rolls (3) wiped under chalk dust and first wiper rolls (2) get rid of and drop down onto the powder that gets rid of and concentrate in channel (5)
Chalk dust get rid of and drop down onto powder collection cavity (4)；
S104: the first powder-wiping plate (11) scrapes the chalk dust of the first wiper rolls (2) surface adhesion to the powder collection cavity (4)
In, the second powder-wiping plate (12) scrapes the chalk dust of the second wiper rolls (3) surface adhesion into the powder collection cavity (4)；
S105: squeezing pressure water pocket (8), is delivered to the water in pressure water pocket (8) water spout (82) through water-supply-pipe (81), sprays water
Water mist is sprayed onto the brush (221) of first wiper rolls (2) by mouth (82), makes the brush (221) to the blackboard (6)
Writing surface on spot brushed；
S106: after pushing the top of collection powder outer box (1) to the blackboard (6), pulling back the collection powder outer box (1),
It separates first wiper rolls (2) and second wiper rolls (3) mutually with the writing surface of the blackboard (6), and pushes down on
The collection powder outer box (1) are moved, collection powder outer box (1) is made to be moved to the lower section original position of the blackboard (6), blackboard-cleaning is complete
Finish；
S107: when that need to be purged to the chalk dust deposited in the powder collection cavity (4), the drawstring for pushing away hawk (40) one end is pulled
(400), make to push away hawk (40) and push the chalk dust of deposition and going out through powder collection cavity (4) along powder collection cavity (4) length direction is mobile
Grey mouth (41) is released；The drawstring (400) that hawk (40) other end is pushed away described in pulling will push away hawk (40) reverse movement to original position
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910851161.4A CN110525094B (en) | 2019-09-10 | 2019-09-10 | Blackboard eraser and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910851161.4A CN110525094B (en) | 2019-09-10 | 2019-09-10 | Blackboard eraser and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110525094A true CN110525094A (en) | 2019-12-03 |
| CN110525094B CN110525094B (en) | 2021-11-09 |
Family
ID=68667883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910851161.4A Active CN110525094B (en) | 2019-09-10 | 2019-09-10 | Blackboard eraser and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110525094B (en) |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10315690A (en) * | 1997-03-17 | 1998-12-02 | Masami Honma | Eraser |
| JP2000238495A (en) * | 1999-02-23 | 2000-09-05 | Masao Tanaka | Eraser |
| CN2429338Y (en) * | 2000-04-20 | 2001-05-09 | 王键 | Dust-collecting blackboard eraser |
| CN2465952Y (en) * | 2001-02-27 | 2001-12-19 | 高树国 | Electric chalk dust-less blackboard |
| KR20020008639A (en) * | 2000-07-24 | 2002-01-31 | 박우헌 | Auto-Clean Blackboard Erasing Apparatus |
| CN2680475Y (en) * | 2003-11-17 | 2005-02-23 | 郑惠亮 | Blackboard eraser |
| CN2883026Y (en) * | 2005-09-07 | 2007-03-28 | 赵金君 | Handheld drying electric eraser |
| KR20070119127A (en) * | 2006-06-14 | 2007-12-20 | 남재웅 | Electric blackboard eraser |
| JP2008254411A (en) * | 2007-04-05 | 2008-10-23 | Masao Tanaka | Eraser |
| CN201471916U (en) * | 2009-08-26 | 2010-05-19 | 陈怡莹 | Double-roll blackboard eraser |
| CN102001252A (en) * | 2010-09-21 | 2011-04-06 | 唐一夫 | Roller-type dust collection blackboard brush and working method thereof |
| CN102476544A (en) * | 2010-11-30 | 2012-05-30 | 陈非 | Lengthened sliding type blackboard eraser |
| CN103253045A (en) * | 2013-06-06 | 2013-08-21 | 翟汝宁 | Blackboard |
| CN205149328U (en) * | 2015-11-19 | 2016-04-13 | 黄子霄 | Blackboard dust groove intelligent vehicle cleaning device |
| CN206264662U (en) * | 2016-05-27 | 2017-06-20 | 南京农业大学 | Automatic dust-absorption eraser |
| RU2629746C1 (en) * | 2016-07-27 | 2017-08-31 | Татьяна Сергеевна Астахова | Device for removing chalk from class board |
| CN107718958A (en) * | 2017-09-30 | 2018-02-23 | 周泳臣 | A kind of electrostatic environment-protecting blackboard eraser |
| CN107738528A (en) * | 2017-10-19 | 2018-02-27 | 绍兴柯桥韩玉电子科技有限公司 | A kind of blackboard for teaching for being easy to deashing |
| CN207190617U (en) * | 2016-10-09 | 2018-04-06 | 姚文俊 | A kind of blackboard-cleaning dust treatment plant |
| CN207697334U (en) * | 2017-09-19 | 2018-08-07 | 李孟骁 | A kind of board |
| CN110154596A (en) * | 2018-01-08 | 2019-08-23 | 夏培准 | Automatic blackboard wiping device and blackboard including same |
-
2019
- 2019-09-10 CN CN201910851161.4A patent/CN110525094B/en active Active
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10315690A (en) * | 1997-03-17 | 1998-12-02 | Masami Honma | Eraser |
| JP2000238495A (en) * | 1999-02-23 | 2000-09-05 | Masao Tanaka | Eraser |
| CN2429338Y (en) * | 2000-04-20 | 2001-05-09 | 王键 | Dust-collecting blackboard eraser |
| KR20020008639A (en) * | 2000-07-24 | 2002-01-31 | 박우헌 | Auto-Clean Blackboard Erasing Apparatus |
| CN2465952Y (en) * | 2001-02-27 | 2001-12-19 | 高树国 | Electric chalk dust-less blackboard |
| CN2680475Y (en) * | 2003-11-17 | 2005-02-23 | 郑惠亮 | Blackboard eraser |
| CN2883026Y (en) * | 2005-09-07 | 2007-03-28 | 赵金君 | Handheld drying electric eraser |
| KR20070119127A (en) * | 2006-06-14 | 2007-12-20 | 남재웅 | Electric blackboard eraser |
| JP2008254411A (en) * | 2007-04-05 | 2008-10-23 | Masao Tanaka | Eraser |
| CN201471916U (en) * | 2009-08-26 | 2010-05-19 | 陈怡莹 | Double-roll blackboard eraser |
| CN102001252A (en) * | 2010-09-21 | 2011-04-06 | 唐一夫 | Roller-type dust collection blackboard brush and working method thereof |
| CN102476544A (en) * | 2010-11-30 | 2012-05-30 | 陈非 | Lengthened sliding type blackboard eraser |
| CN103253045A (en) * | 2013-06-06 | 2013-08-21 | 翟汝宁 | Blackboard |
| CN205149328U (en) * | 2015-11-19 | 2016-04-13 | 黄子霄 | Blackboard dust groove intelligent vehicle cleaning device |
| CN206264662U (en) * | 2016-05-27 | 2017-06-20 | 南京农业大学 | Automatic dust-absorption eraser |
| RU2629746C1 (en) * | 2016-07-27 | 2017-08-31 | Татьяна Сергеевна Астахова | Device for removing chalk from class board |
| CN207190617U (en) * | 2016-10-09 | 2018-04-06 | 姚文俊 | A kind of blackboard-cleaning dust treatment plant |
| CN207697334U (en) * | 2017-09-19 | 2018-08-07 | 李孟骁 | A kind of board |
| CN107718958A (en) * | 2017-09-30 | 2018-02-23 | 周泳臣 | A kind of electrostatic environment-protecting blackboard eraser |
| CN107738528A (en) * | 2017-10-19 | 2018-02-27 | 绍兴柯桥韩玉电子科技有限公司 | A kind of blackboard for teaching for being easy to deashing |
| CN110154596A (en) * | 2018-01-08 | 2019-08-23 | 夏培准 | Automatic blackboard wiping device and blackboard including same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110525094B (en) | 2021-11-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105730100B (en) | Clean Non-dust automatic-wiping blackboard device | |
| CN109482592B (en) | Paint tray descaling equipment for art design | |
| CN210526119U (en) | A teaching aid for information and computer science | |
| CN205493727U (en) | Industrial electric scrape diji | |
| CN107413770A (en) | It is easy to the display of cleaning | |
| CN209191542U (en) | A kind of Art Design washes a device with paintbrush | |
| CN111267515A (en) | Automatic wiping device for intelligent blackboard | |
| CN110525094A (en) | A kind of blackboard eraser and its application method | |
| CN104772307B (en) | Environment-friendly highly efficient blackboard eraser auto-cleaner | |
| CN108481956B (en) | Environment-friendly blackboard system | |
| CN211764505U (en) | Automatic wiping device for intelligent blackboard | |
| CN204638652U (en) | Environment-friendly highly efficient blackboard eraser auto-cleaner | |
| CN116808653A (en) | Separation system and separation method for aluminum sulfate production | |
| CN210337372U (en) | Electronic blackboard display device for multimedia teaching | |
| CN205951562U (en) | Dust blackboard eraser is removed to running roller formula | |
| CN113077684A (en) | Education and teaching resource sharing equipment | |
| CN208714761U (en) | An automatic cleaning blackboard | |
| CN207581147U (en) | A kind of elevator door guide rail cleaning plant | |
| CN210701548U (en) | Be applied to clear groove device of removing blackboard | |
| CN110949040A (en) | Full-automatic shutter type dust removal blackboard | |
| CN113399684B (en) | Double-laser printing equipment convenient to clean printing head | |
| JP3119290U (en) | Hygiene blackboard eraser | |
| CN210617693U (en) | Blackboard cleaning device | |
| CN215096628U (en) | Wisdom blackboard with clearance dust function | |
| CN219277096U (en) | Blackboard eraser capable of automatically erasing board |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |