CN106114015B - A kind of self-cleaning crawler belt device for blackboard eraser and its application method - Google Patents
A kind of self-cleaning crawler belt device for blackboard eraser and its application method Download PDFInfo
- Publication number
- CN106114015B CN106114015B CN201610589982.1A CN201610589982A CN106114015B CN 106114015 B CN106114015 B CN 106114015B CN 201610589982 A CN201610589982 A CN 201610589982A CN 106114015 B CN106114015 B CN 106114015B
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- China
- Prior art keywords
- crawler belt
- box body
- blackboard
- gear
- meshing gear
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- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses a kind of self-cleaning crawler belt device for blackboard eraser and its application method, belong to teaching aid field.It includes ash-swabbing device, deashing device and storage apparatus for ash, and guide rail bracket includes rolling wheel guide rails and is horizontally installed on the guide wheel at rolling wheel guide rails two ends；Box body two ends are each provided with a wheel shaft；Bearing is provided between wheel shaft and box body；Two rollers are respectively fixedly installed on two wheel shafts, wherein the end of a wheel shaft is additionally provided with the first meshing gear；The crawler belt gear hub being coaxial therewith is provided with crawler belt gear；Crawler belt gear hub one end is stretched out outside box body, and the end is fixed with the second meshing gear；First meshing gear is nibbled with the second meshing gear：Roller drives the first meshing gear to rotate, and the first meshing gear drives the second meshing gear to rotate, and the rotation of the second meshing gear drives roller to rotate, so as to drive crawler belt rub body to rotate, and snag is relative with blackboard generation to be slided, and is played wiping ash and is acted on.The present invention has the advantages that simple in construction, reasonable in design, easily fabricated.
Description
Technical field
The present invention relates to teaching aid field, and in particular to a kind of self-cleaning crawler belt device for blackboard eraser and its application method.
Background technology
Existing blackboard for teaching, is a fixed individual plates, simultaneously uses, and being finished wiping chalk writings can be again
Use, the blackboard for education of this form, chalk-writing can will be again used after chalk writings wiped clean through teacher or student,
When rubbing again, substantial amounts of chalk dust is adhered on blackboard eraser, if do not removed, and chalk trace, shadow are left on blackboard in erasing
Ring the conventional beating of the chalk dust on students ' reading, blackboard eraser or beat method removing, chalk dust is flown upward during beating, pollutes environment,
And easily by unhealthful in people's suction body, so that whole teaching environment is influenceed, and the effect erased the board is nor very good.
Chinese Patent Application No. 200820029098.3, the patent application document in publication date on April 8th, 2009 discloses one
File of the environment-friendly type without dust self-cleaning blackboard eraser is planted, rub body is flexible coupling on fixed mount with elastomeric objects, and fixed mount is slided over
On rubbing frame, blackboard eraser or so can be achieved and moves up and down；Blackboard eraser is connected on saddle by this patent, allows bottom left on the device
Move right.
Chinese Patent Application No. 01234948.8, the publication date 2002 year 2 month patent application document of 20 days discloses one kind
Eraser powder collector file, is formed with ash disposal mouthful on soot blower housing, in housing built with round brush, is equipped with and shakes on round brush
Handle.Round brush is housed on soot blower, when blackboard eraser is as on soot blower mouthful, shake round brush can remove the chalk dust on blackboard eraser,
Chalk dust under removing, which is fallen into ash storage, not to be resulted in chalk dust and flies upward, simple in construction, easy to use, but in practical operation
Because the contact surface of bristle and blackboard eraser is smaller in journey, while bristle is because the form of its pencil, in cleaning, no matter using soft
Soft plastics bristle or rigid steel wire, its ash-removal effect is not good.
The content of the invention
1st, the problem of solving
Not good and blackboard eraser cleaning device a variety of deficiencies of effect for existing blackboard eraser chalk dust, especially manually
Clear up meeting of blackboard wiping chalk or clear up the defects such as chalk dust effect is undesirable, the invention discloses a kind of self-cleaning crawler belt blackboard
Device and its application method are wiped, the chalk dust on blackboard can be effectively wiped, the cleaning of depth can also be carried out to blackboard eraser,
Teaching health environment is not interfered with simultaneously, it is environment friendly and pollution-free.
2nd, technical scheme
To solve the above problems, the present invention is adopted the following technical scheme that.
A kind of self-cleaning crawler belt device for blackboard eraser, including box body, guide rail bracket, ash-swabbing device, deashing device；Described wiping ash
Device is a crawler type rub body, is arranged at the inside of box body, and it includes snag, track chain and crawler belt gear；Described crawler belt
It is coaxial therewith being fixedly installed crawler belt gear hub in the middle part of gear；Described crawler belt gear hub passes through the both sides of box body, and
Bearing is provided between box body；Described deashing device is a brush body, is arranged in box body；Described deashing device brush body
Surface is bristle；Described brush body is fixed on internal face relative with snag in crawler type rub body on box body；Described guide rail
Frame includes rolling wheel guide rails and is horizontally installed on the guide wheel at rolling wheel guide rails two ends；Described box body two ends are each provided with a wheel shaft；
Bearing is provided between described wheel shaft and box body；Two rollers are respectively fixedly installed on wheel shaft described in two, wherein one
The end of wheel shaft is additionally provided with the first meshing gear；Described crawler belt gear hub one end is stretched out outside box body, and the end is fixed with the
Two meshing gears；The second described meshing gear is engaged with the first meshing gear.
Preferably, the diameter of the second described meshing gear is less than the diameter of the first meshing gear；Described crawler belt gear
Diameter be more than the second meshing gear diameter.
Preferably, in addition to storage apparatus for ash, described storage apparatus for ash is arranged on the bottom of box body.
Preferably, described storage apparatus for ash is to be provided with storage on movable drawing and pulling type stored ash box, described drawing and pulling type box body
Grey box body handle.
Preferably, described rolling wheel guide rails are in neck shape, and roller can move up and down in neck, it is to avoid roller or so pendulum
It is dynamic.
Preferably, described bristle is made up of some rigid plastics taper pins hair.
A kind of application method of self-cleaning crawler belt device for blackboard eraser, comprises the following steps：
S1., guide rail bracket is fixed on to the side of blackboard；
S2. hand-held box body makes its roller be combined with rolling wheel guide rails, while crawler type rub body is contacted with blackboard surface；
S3. box body in step S2 is promoted, its roller is moved from the top down along rolling wheel guide rails；The rotation of roller is through a series of
It is final after transmission to drive the track chain being wrapped on crawler belt gear and snag to be slided relative to blackboard mantle friction；
S4. in step S3 relative to blackboard mantle friction slide snag after crawler belt gear is bypassed relative to brush body brush
Brushing of the chalk dust through bristle is fallen in storage ash dress in hair motion upwards, snag；
S5. box body is pushed to behind blackboard bottom transverse shifting box body again from blackboard top in step S3, repeat step S3 and
S4, until blackboard is wiped.
Preferably, a series of transmissions described in step S3 drive the wheel shaft for being secured to connection to turn for the rotation of roller
Dynamic, wheel shaft, which is rotated, drives the first meshing gear for being secured to connection to rotate, and the rotation of the first meshing gear, which drives, to be engaged
The second meshing gear reversely rotate, the second meshing gear rotation drive be secured to connection crawler belt gear hub rotate,
The rotation of crawler belt gear hub drives the crawler belt pinion rotation for being secured to connection, and the rotation of crawler belt gear, which drives, to be wrapped in thereon
Track chain and snag relative to blackboard mantle friction slide.
3rd, beneficial effect
Compared to prior art, beneficial effects of the present invention are：
(1) present invention is by setting crawler type rub body, and with blackboard relative motion occurs for crawler type rub body, and crawler type is wiped
The rotating speed of body is more than the movement velocity of box body, substantially increases the efficiency of wiping chalk ash, solves original grey undesirable grade of wiping and lacks
Fall into；
(2) there is handle on the pull box body of setting activity, box body, cleaning can be effectively timed to chalk dust；
(3) turning rolls in device is in neck shape, and roller can move up and down in groove, it is to avoid roller swings, and rises
To the effect of stabilising arrangement；
(4) brush body of the invention by setting deashing device, improves the ash-removal effect of blackboard eraser；
(5) upper end of the bristle on brush body surface is slightly higher, and crawler eraser can be caused to be in close contact with brush body upper bristle,
Improve the cleaning effect of blackboard eraser；
(6) present invention is simple in construction, reasonable in design, it is easy to manufacture.
Brief description of the drawings
Fig. 1 is the front view of apparatus of the present invention；
Fig. 2 is the connected mode schematic diagram of crawler belt gear and box body in apparatus of the present invention；
Fig. 3 is Fig. 1 left view；
Fig. 4 is the construction profile that apparatus of the present invention crawler type rub body is placed in box body；
Fig. 5 is the structure chart of the crawler type rub body of apparatus of the present invention；
Fig. 6 is the structural representation of deashing device in apparatus of the present invention；
Fig. 7 is the partial enlarged drawing of deashing device in apparatus of the present invention.
In figure：1- blackboard guide rails, 2- guide wheels, 3- rolling wheel guide rails, 4- rollers, 5- wheel shafts, 6- box body handles, 7- box bodys, 8-
Crawler belt gear, the meshing gears of 9- second, the meshing gears of 10- first, 11- drawing and pulling type stored ash box, 12- crawler type rub bodies, 13- brushes
Body, 14- snags, 15- track chains, 16- stored ash box body handles, 17- crawler belt gear hubs, 18- bristles.
Embodiment
The present invention is further described below with reference to specific embodiment.
Embodiment 1
As shown in figure 1, a kind of self-cleaning crawler belt device for blackboard eraser, including box body 7, guide rail bracket, ash-swabbing device, deashing dress
Put, store up apparatus for ash；Guide rail bracket includes rolling wheel guide rails 3 and is horizontally installed on the guide wheel 2 at the two ends of rolling wheel guide rails 3；Rolling wheel guide rails 3 are in card
Channel-shaped；
As shown in Figure 4 and Figure 5, ash-swabbing device is a crawler type rub body 12, is arranged at the inside of box body 7, and it includes snag
14th, track chain 15 and crawler belt gear 8；As shown in Fig. 2 the middle part of crawler belt gear 8 is coaxial therewith being fixedly installed crawler belt gear
Wheel shaft 17；Crawler belt gear hub 17 passes through the both sides of box body 7, and is provided with bearing between box body 7；
As shown in Figure 4 and Figure 6, deashing device is a brush body 13, is arranged in box body 7；The surface of deashing device brush body 13
For bristle 18；Brush body 13 is fixed on internal face relative with snag 14 in crawler type rub body 12 on box body 7；As shown in fig. 7, brush
Hair 18 is made up of some rigid plastics taper pins hair；The bristle 18 being made of rigid plastics taper pin hair, on the one hand compared to gold
The cost of material is low for category, and one side hard material can improve the effect that chalk dust is scraped from snag 14, and one side chalk dust can
To fall to drawing and pulling type stored ash box 11 from the gap between each pin hair, the thick one end of another further aspect taper pin hair is fixed on brush body 13
On more firmly, stably, the chalk dust that thin one end is used to strike off in snag 14 is better, improves ash-removal effect；
As shown in figure 1, storage apparatus for ash is arranged on the bottom of box body 7, storage apparatus for ash is the drawing and pulling type stored ash box 11 of activity, is taken out
Stored ash box body handle 16 is installed on pull-type box body 11, it is convenient that drawing and pulling type box body 11 is extracted out to cleaning chalk dust therein at any time；
As shown in figures 1 and 3, the two ends of box body 7 are each provided with a wheel shaft 5；Bearing is provided between wheel shaft 5 and box body 7；
Two rollers 4 are respectively fixedly installed on two wheel shafts 5, the rolling wheel guide rails 3 of roller 4 and neck shape coordinate, and can block in rolling wheel guide rails 3
Moved up and down in groove, it is to avoid roller 4 swings；The end of a piece wheel shaft 5 is additionally provided with the first meshing gear 10；Caterpillar teeth
Take turns the one end of wheel shaft 17 to stretch out outside box body 7, the end is fixed with the second meshing gear 9；Second meshing gear 9 and the first meshing gear 10
Engagement；The diameter of roller 4 is equal to the diameter of the first meshing gear 10, and the diameter of crawler belt gear 8 is more than the straight of the second meshing gear 9
Footpath；Its maximum line velocity, angular speed are equal with the first meshing gear 10 when roller 4 is moved, the line of the second meshing gear 9 rotation
Speed is equal to the linear velocity that the first meshing gear 10 rotates, because the diameter of crawler belt gear 8 is more than the straight of the second meshing gear 9
Footpath, so the linear velocity that crawler belt gear 8 rotates is more than the linear velocity that the second meshing gear 9 rotates, so as to make box body 7 in fortune
Crawler belt gear 8 is driven to produce speed difference when dynamic, and crawler belt gear 8 drives snag 14 to be more than box body 7 with respect to blackboard movement velocity
Movement velocity；For example when box body 7 is moved downward with speed v, by the transmission of the second meshing gear 9 and the first meshing gear 10
When being moved downward to crawler type rub body 12, the speed that crawler type rub body 12 is moved downward is 2v, can at this time improve blackboard and remove
The efficiency of ash, is moved downward in the case of the S, snag 14 has moved 2S relative to blackboard equivalent to box body 7, that is to say, that wiped
At least twice of blackboard-cleaning in hair 14 couples of S distance, so as to improve the grey efficiency of wiping.
A kind of application method of self-cleaning crawler belt device for blackboard eraser, comprises the following steps：
S1. guide rail bracket upper block 2 is fixed on blackboard on blackboard guide rail 1, makes to need to wipe powder on blackboard
Pen ash part；
S2. hand-held box body 7 makes its roller 4 be combined with rolling wheel guide rails 3, while crawler type rub body 12 is contacted with blackboard surface；
S3. box body 7 in step S2 is promoted, its roller 4 is moved from the top down along rolling wheel guide rails 3；The rotation of roller 4 drives
The wheel shaft 5 for being secured to connection is rotated, and wheel shaft 5, which is rotated, drives the first meshing gear 10 for being secured to connection to rotate, and first nibbles
The rotation for closing gear 10 drives the second meshing gear 9 engaged to reversely rotate, and the rotation of the second meshing gear 9 drives and it
The crawler belt gear hub 17 being fixedly connected is rotated, and the rotation of crawler belt gear hub 17 drives the crawler belt gear 8 for being secured to connection
Rotate, the rotation of crawler belt gear 8, which drives, to be wrapped in track chain 15 thereon and snag 14 and slided relative to blackboard mantle friction；
S4. in step S3 relative to blackboard mantle friction slide snag 14 after crawler belt gear 8 is bypassed relative to brush body
13 bristle 18 is moved upwards, and brushing of the chalk dust through bristle 18 is fallen in storage apparatus for ash 11 in snag 14；
S5. box body 7 is pushed to behind blackboard bottom transverse shifting box body 7 again, repeat step S3 from blackboard top in step S3
And S4, until blackboard is wiped.
The method of the present embodiment can improve the efficiency and effect of blackboard-cleaning, and the rolling by the upper roller 4 of box body 7 is final
Drive snag 14 to be moved relative to blackboard, realize the effect of blackboard wiping, and pass through the first meshing gear 10 and the second engaging tooth
9 chronotropic actions are taken turns, snag 14 is realized and is more than effect of the box body 7 relative to blackboard movement velocity relative to blackboard movement velocity,
So as to increase wiping effect and wipe efficiency.
Claims (8)
1. a kind of self-cleaning crawler belt device for blackboard eraser, it is characterised in that：Including box body（7）, guide rail bracket, ash-swabbing device, deashing dress
Put；
Described ash-swabbing device is a crawler type rub body（12）, it is arranged at box body（7）Inside, it includes snag（14）, crawler belt
Chain（15）With crawler belt gear（8）；Described crawler belt gear（8）Middle part be coaxial therewith being fixedly installed crawler belt gear hub
（17）；Described crawler belt gear hub（17）Through box body（7）Both sides, and and box body（7）Between be provided with bearing；
Described deashing device is a brush body（13）, it is arranged at box body（7）It is interior；Described brush body（13）Surface be bristle
（18）；Described brush body（13）It is fixed on box body（7）Upper and crawler type rub body（12）Middle snag（14）On relative internal face；
Described guide rail bracket includes rolling wheel guide rails（3）Be horizontally installed on rolling wheel guide rails（3）The guide wheel at two ends（2）；
Described box body（7）Two ends are each provided with a wheel shaft（5）；Described wheel shaft（5）With box body（7）Between be provided with axle
Hold；Wheel shaft described in two（5）On be respectively fixedly installed two rollers（4）, wherein the end of a wheel shaft is additionally provided with first
Meshing gear（10）；Described crawler belt gear hub（17）Box body is stretched out in one end（7）Outside, the end is fixed with the second meshing gear
（9）；The second described meshing gear（9）With the first meshing gear（10）Engagement.
2. a kind of self-cleaning crawler belt device for blackboard eraser according to claim 1, it is characterised in that：The second described engaging tooth
Wheel（9）Diameter be less than the first meshing gear（10）Diameter；Described crawler belt gear（8）Diameter be more than the second meshing gear
（9）Diameter.
3. a kind of self-cleaning crawler belt device for blackboard eraser according to claim 2, it is characterised in that：Also include storage apparatus for ash,
Described storage apparatus for ash is arranged on box body（7）Bottom.
4. a kind of self-cleaning crawler belt device for blackboard eraser according to claim 3, it is characterised in that：Described storage apparatus for ash is
The drawing and pulling type stored ash box of activity（11）, described drawing and pulling type stored ash box（11）Box body（11）On stored ash box body handle is installed
（16）.
5. a kind of self-cleaning crawler belt device for blackboard eraser according to claim 2, it is characterised in that：Described rolling wheel guide rails
（3）In neck shape, roller（4）It can move up and down in neck, it is to avoid roller（4）Swing.
6. a kind of self-cleaning crawler belt device for blackboard eraser according to claim 1-5 any one, it is characterised in that：Described
Bristle（18）It is made up of some rigid plastics taper pins hair.
7. a kind of application method of self-cleaning crawler belt device for blackboard eraser described in claim 1, comprises the following steps：
S1., guide rail bracket is fixed on to the side of blackboard；
S2. hand-held box body（7）Make its roller（4）With rolling wheel guide rails（3）With reference to while crawler type rub body is contacted with blackboard surface；
S3. box body in step S2 is promoted（7）, make its roller（4）Along rolling wheel guide rails（3）Move from the top down；Roller（4）Turn
A series of dynamic final drive after transmissions is wrapped in crawler belt gear（8）On track chain（15）And snag（14）Relative to blackboard
Mantle friction is slided；
S4. the snag slided in step S3 relative to blackboard mantle friction（14）Bypassing crawler belt gear（8）Afterwards relative to brush body
（13）Bristle（18）Motion, snag upwards（14）Upper chalk dust is through bristle（18）Brushing fall to storage apparatus for ash（11）It is interior；
S5. box body in step S3（7）Transverse shifting box body again is pushed to behind blackboard bottom from blackboard top（7）, repeat step S3
And S4, until blackboard is wiped.
8. a kind of application method of self-cleaning crawler belt device for blackboard eraser according to claim 7, it is characterised in that：Step S3
Described in a series of transmissions be roller（4）Rotation drive be secured to connection wheel shaft（5）Rotate, wheel shaft（5）Rotational band
Dynamic the first meshing gear for being secured to connection（10）Rotate, the first meshing gear（10）Rotation drive engage second
Meshing gear（9）Reversely rotate, the second meshing gear（9）Rotation drive be secured to connection crawler belt gear hub（17）Turn
It is dynamic, crawler belt gear hub（17）Rotation drive be secured to connection crawler belt gear（8）Rotate, crawler belt gear（8）Rotation
Drive the track chain of parcel thereon（15）And snag（14）Slided relative to blackboard mantle friction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610589982.1A CN106114015B (en) | 2016-07-25 | 2016-07-25 | A kind of self-cleaning crawler belt device for blackboard eraser and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610589982.1A CN106114015B (en) | 2016-07-25 | 2016-07-25 | A kind of self-cleaning crawler belt device for blackboard eraser and its application method |
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| CN106114015A CN106114015A (en) | 2016-11-16 |
| CN106114015B true CN106114015B (en) | 2017-09-12 |
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| CN201610589982.1A Expired - Fee Related CN106114015B (en) | 2016-07-25 | 2016-07-25 | A kind of self-cleaning crawler belt device for blackboard eraser and its application method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112192978A (en) * | 2020-10-28 | 2021-01-08 | 张亚斌 | Blackboard eraser capable of being overturned for quick and repeated use |
| CN112246712A (en) * | 2020-10-30 | 2021-01-22 | 安徽文香信息技术有限公司 | Electronic blackboard assembly with self-cleaning structure and using method |
| CN112519461A (en) * | 2020-11-16 | 2021-03-19 | 刘宗述 | Self-cleaning blackboard eraser |
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| CN106114015A (en) | 2016-11-16 |
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