CN104943454B - A kind of can the chalkboard eraser of automatic dust absorption - Google Patents
A kind of can the chalkboard eraser of automatic dust absorption Download PDFInfo
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- CN104943454B CN104943454B CN201510399088.3A CN201510399088A CN104943454B CN 104943454 B CN104943454 B CN 104943454B CN 201510399088 A CN201510399088 A CN 201510399088A CN 104943454 B CN104943454 B CN 104943454B
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- wheel
- power wheel
- driven pulley
- unidirectional
- power
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- 239000000428 dust Substances 0.000 title claims abstract description 49
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 16
- 239000000843 powder Substances 0.000 claims description 39
- 230000005540 biological transmission Effects 0.000 claims description 22
- 230000000694 effects Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000003491 array Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 108010066278 cabin-4 Proteins 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 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
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
Landscapes
- Cleaning In General (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of can the chalkboard eraser of automatic dust absorption, the base plate outer wall at shell is provided with the strip rub piece of one or more, shell hollow, arranges multiple suction hole communicated with shell endoporus round rub piece on base plate；Being provided with the equipment compartment of cylindrical hollow in the enclosure, the frictional force utilizing chalkboard eraser when erasing the board to move left and right generation on blackboard drives power wheel to rotate, and power wheel imparts power to flywheel again, and flywheel drives fan blade to rotate, thus realizes the function of dust suction；The air draught of blowout in shell, forms an airflow curtain after the shirt rim water conservancy diversion of bottom edge around chalkboard eraser, prevents chalk dust from outwards flying upward.
Description
Technical field
The present invention relates to the chalkboard eraser that can be automatically drawn into chalk dust that a kind of teacher uses in teaching process, belong to chalk
The optimisation technique wiped.
Background technology
Teacher it is frequently necessary to write with chalk on blackboard in teaching process, needs blackboard with chalkboard eraser after writing
On letter written with chalk wipe, during erasing the board, the chalk dust that chalkboard eraser has been wiped flies upward the most everywhere, pollute Zhou Bianhuan
Border, increases the difficulty of cleaning, and, even if the people erased the board makes great efforts to hold the breath to prevent from inhaling in wiping process
Enter chalk dust, the most unavoidably can suck some chalk dusts, give healthy hidden danger.
It is, thus, sought for it is a kind of it can be avoided that the chalkboard eraser that flies upward everywhere of chalk dust.
Summary of the invention
It is an object of the invention to: a kind of chalkboard eraser that can be automatically drawn into chalk dust is provided.
The technical scheme is that a kind of can the chalkboard eraser of automatic dust absorption, base plate 11 outer wall at shell 1 sets
There is the strip rub piece 12 of one or more, it is characterised in that: shell hollow, arrange multiple on base plate round rub piece
The suction hole 13 communicated with shell endoporus；It is provided with the equipment compartment 2 of cylindrical hollow, equipment compartment one end down in the enclosure
Opening, arranges the equipment opening 14 corresponding with the opening of equipment compartment, along equipment compartment outer wall on shell short side plate down
Being provided with one piece of demarcation strip 3 parallel with base plate 11, make a part for equipment compartment between demarcation strip and base plate, edge is divided
The edge of dividing plate 3 is provided with the surrounding edge that base plate is prominent, and the surrounding edge of demarcation strip surrounding is pressed on the base plate of shell,
The suction hole 13 on base plate is made to be positioned in surrounding edge endoporus；Equipment bulkhead between demarcation strip and base plate is arranged
Multiple suction powder holes 21, enable chalk dust to pass sequentially through suction hole, to inhale access arrangement storehouse, powder hole；It is being positioned at demarcation strip
Multiple venthole 15 is set on the base plate outside surrounding edge；Described can the chalkboard eraser of automatic dust absorption also include collecting powder cabin 4,
Filter 5 and booster 6；The described collection powder cabin one end open other end is closed, in collection powder cabin in openend
Wall is provided with a bracer of the two or more symmetric arrays to inner process；Filter is the hollow posts that one end open is closed in one end
Shape, the openend of filter is tapered, and the external diameter of the vertex of a cone is identical with the internal diameter of equipment compartment, and both form tight fit, mistake
The diameter of the hollow cylindrical part of filter is less than the diameter of bore of equipment compartment；Filter is inserted from the openend of collection powder cabin
Collection powder cabin, makes the blind end of filter be against on a bracer, and being predominantly located in outside collection powder cabin of filter will be enclosed within one
The filter and the collection powder cabin that rise are inserted in equipment compartment from the equipment opening of equipment compartment, make the vertex of a cone of filter port end compress and set
Standby storehouse inwall, both form tight fit, in making space between filter and equipment compartment, the suction powder hole, make entrance set
The air-flow in standby storehouse could flow to booster from its openend after having to pass through the filtration of filter 5；Described booster sets
On the chalkboard eraser being positioned at filter port end；The closing plate of equipment compartment blind end extends outwardly into outer casing inner wall, in envelope
Closing plate and away between the shell of equipment compartment formed a power bin；Described booster 6 mainly includes power wheel 61, passes
Dynamic device, flywheel 62, fan blade 63 and lock-screw 64；Power wheel is located at power bin, at the end corresponding with power wheel
Plate is provided with power wheel bore, and a part for power wheel is exposed out from power wheel hole, when chalkboard eraser blackboard wiping, and band
Dynamic power wheel forward or reverse；Closing plate is provided with power wheel shaft towards the wall of shell, and power wheel is enclosed within power wheel shaft
On, power wheel is fixed on power wheel shaft by lock-screw, and power wheel can be around power wheel shaft under the effect of external force
Rotate；Flywheel is positioned at equipment compartment, and flywheel is provided with central shaft hole, and the central shaft hole round flywheel is provided with outwardly
Support column, fan blade is fixed on the outer wall of support column, lock-screw from the end of support column through the central shaft hole of flywheel
Being screwed in the fixing hole closed on plate, flywheel and fan blade can rotate around lock-screw under the effect of external force；Institute
The transmission device stated is divided into again right transmission device 65 and Left Drive device 66, by power by right biography when power wheel rotates forward
Dynamic device flywheel driven reversion, flywheel drives fan blade reversion to carry out dust suction, by power by left biography during power wheel reversion again
Dynamic device flywheel driven reversion, flywheel drives fan blade reversion to carry out dust suction again；Described right transmission device 65 mainly wraps
Include right drive 651, right unidirectional driven pulley 652, right single direction ratchet 653 and right driving wheel 654, close and stretch on plate
Going out a right support block, right support block is provided with right power transmission shaft, right driving wheel tube on right power transmission shaft, right driving wheel case
On right driving axle, right driving axle is fixed on closing plate, and driven pulley is enclosed within follower shaft, and follower shaft is fixed on
Close on plate；The unidirectional driven pulley in the described right side is divided into two-stage, and the one-level external diameter near power wheel is less than away from power wheel
The external diameter of another grade；Described right driving wheel also includes two-stage, and the external diameter near the one-level of power wheel is less than away from power
The external diameter of another grade of wheel；The outer wall of right drive driven pulley unidirectional with the right side engages near the outer wall of the one-level of power wheel,
Right unidirectional driven pulley engages near the outer wall of the one-level of power wheel with right driving wheel away from the outer wall of another grade of power wheel,
Right driving wheel engages with the outer wall of flywheel away from the outer wall of another grade of power wheel；Described Left Drive device 66 is main
Including Left Drive wheel 661, left unidirectional driven pulley 662, left single direction ratchet 663, left driving wheel 664 and be positioned at left list
To the mesomerism gear 665 engaged the most respectively between driven pulley and left driving wheel and with them, close on plate to equipment compartment
Direction highlights one piece of left support block, and left support block is provided with Left Drive axle, and Left Drive wheel is enclosed within Left Drive wheel shaft, left
Driving wheel is enclosed within left driving wheel axle, and left driving wheel axle is fixed on closing plate, left unidirectional driven pulley be enclosed within left unidirectional from
On the axis of a movable block, left unidirectional follower shaft is fixed on closing plate, and mesomerism gear is enclosed within mesomerism gear axle, mesomerism gear
Axle is fixed on closing plate；The unidirectional driven pulley in a described left side is divided into two-stage, near power wheel one-level external diameter less than away from
The external diameter of another grade of power wheel；Described left driving wheel also includes two-stage, and the external diameter near the one-level of power wheel is less than
External diameter away from another grade of power wheel；The outer wall of Left Drive wheel and the unidirectional driven pulley in a left side are outside the one-level of power wheel
Wall engages, and left unidirectional driven pulley engages with the outer wall of mesomerism gear away from the outer wall of another grade of power wheel, mesomerism gear
Outer wall engage near the outer wall of the one-level of power wheel with left driving wheel, outside left driving wheel is away from another grade of power wheel
Wall engages with the outer wall of flywheel；Power wheel is provided with, towards the edge of equipment compartment, the corral limit extended to equipment compartment direction,
The outer wall of right drive engages with inside the surrounding edge of power wheel, and the outer wall of Left Drive wheel is nibbled inside the surrounding edge of power wheel
Close；When power wheel rotates, right drive and Left Drive wheel is driven to rotate；Right drive driven pulley unidirectional with the right side engages,
The central shaft hole inwall of right unidirectional driven pulley engages with the right single direction ratchet being located on right driving wheel, makes right unidirectional driven pulley
Can only reversely rotate, when power wheel reversely rotates, right drive inverts, and is affected by right single direction ratchet, right unidirectional
Driven pulley can not rotate forward；When power wheel drives right drive to rotate forward, right single direction ratchet is inoperative, right transmission wheel belt
Dynamic right unidirectional driven pulley reversion, right unidirectional driven pulley drives right driving wheel to rotate forward again, and right driving wheel flywheel driven inverts,
Flywheel drives fan blade reversion to realize dust suction again；The central shaft hole inwall of left unidirectional driven pulley and the left side being located on left driving wheel
Single direction ratchet engages, and makes left unidirectional driven pulley to rotate forward, when power wheel rotates forward, by left single direction ratchet
Impact, left unidirectional driven pulley can not reversely rotate；When power wheel drives Left Drive wheel reversion, left single direction ratchet is not
Working, the Left Drive wheel 661 left unidirectional driven pulley 662 of drive rotates forward, and left unidirectional driven pulley 662 drives and nibbles with it
The mesomerism gear reversion closed, mesomerism gear drives the left driving wheel engaged to rotate forward again, and left driving wheel drives and nibbles with it
The flywheel reversion closed, flywheel drives fan blade reversion to realize dust suction again；When chalkboard eraser is erased the board from left to right, power wheel
Rotating forward and drive right drive also to drive Left Drive wheel to rotate forward while rotating forward, Left Drive wheel rotates forward and drives left unidirectional driven pulley
Reversely rotating, but left unidirectional driven pulley is affected by left single direction ratchet and can only rotate forward and can not invert, therefore, left unidirectional from
Driving wheel does not rotates；When being erased the board from right to left by chalkboard eraser, power wheel inverts, and drives right drive and Left Drive wheel anti-
Turning, can only be inverted can not rotate forward owing to right drive affects by right single direction ratchet, therefore, right unidirectional driven pulley does not rotates,
Left Drive wheel reversion drives left unidirectional driven pulley to rotate forward, and left unidirectional driven pulley rotates forward and drives mesomerism gear reversion, intermediary's tooth
Wheel reversion drives left driving wheel to rotate forward, and left driving wheel rotates forward flywheel driven reversion, and flywheel drives fan blade to rotate again and realizes inhaling
Dirt；The position of the corresponding right driving wheel of equipment compartment and driving wheel is respectively equipped with right air outlet and left air outlet, and right driving wheel leads to
Crossing right air outlet and enter outer casing space through equipment bulkhead, left driving wheel enters outer casing space, fan blade through left air outlet
Enter outer casing space through right air outlet and left air outlet after rotating the air-flow pressurization sucked, then be discharged to shell by venthole
Outward.
The maximum outside diameter of the unidirectional driven pulley in the described right side is less than the maximum radius of right driving wheel.
The maximum outside diameter of the unidirectional driven pulley in a described left side is less than the maximum radius of left driving wheel.
The shirt rim 16 that edge along base plate arranges downwards and extends internally, the height of described shirt rim is less than the height of rub piece
Degree.
Equipment compartment is positioned at the height height less than the surrounding edge of demarcation strip of demarcation strip section below.
Filter uses filter paper or filter cotton to make.
The roof of shell arranges arrow mark upwards.
Beneficial effect
1, the frictional force utilizing chalkboard eraser when erasing the board to move left and right generation on blackboard drives power wheel to rotate, power
Wheel imparts power to flywheel again, and flywheel drives fan blade to rotate, thus realizes the function of dust suction；
2, the air draught of blowout in shell, forms one after the shirt rim water conservancy diversion of bottom edge around chalkboard eraser
Airflow curtain, prevents chalk dust from outwards flying upward.
Accompanying drawing explanation
Fig. 1 is the stereoscopic figure one of the present invention；
Fig. 2 is the stereoscopic figure two of the present invention；
Fig. 3 is the explosive view of the present invention；
Fig. 4 is the fragmentary sectional view of the present invention；
Fig. 5 is the partial enlarged drawing of Fig. 4；
Fig. 6 is the fragmentary sectional view of another angle of the present invention；
Fig. 7 is the partial enlarged drawing of Fig. 6；
Fig. 8 is the fragmentary sectional view of the booster of the present invention；
Fig. 9 is the fragmentary sectional view of the booster installation site of the present invention；
Figure 10 is the explosive view of Fig. 9.
Detailed description of the invention
As shown in Fig. 1 to Fig. 3, a kind of can the chalkboard eraser of automatic dust absorption, base plate 11 outer wall at shell 1 is provided with
The strip rub piece 12 of one or more, shell hollow, arrange on base plate round rub piece and multiple communicate with shell endoporus
Suction hole 13；Being provided with the equipment compartment 2 of cylindrical hollow in the enclosure, equipment compartment one end open down, in shell court
Under short side plate on the equipment opening 14 corresponding with the opening of equipment compartment is set, be provided with one piece and base plate along equipment compartment outer wall
11 parallel demarcation strips 3, make a part for equipment compartment between demarcation strip and base plate, along the surrounding of demarcation strip 3
Edge is provided with the surrounding edge that base plate is prominent, and the surrounding edge of demarcation strip surrounding is pressed on the base plate of shell, makes the air-breathing on base plate
Hole 13 is positioned in surrounding edge endoporus；Equipment bulkhead between demarcation strip and base plate arranges multiple suction powder hole 21,
Chalk dust is enable to pass sequentially through suction hole, to inhale access arrangement storehouse, powder hole；On base plate outside the surrounding edge being positioned at demarcation strip
Multiple venthole 15 is set.
Described can the chalkboard eraser of automatic dust absorption also include collecting powder cabin 4, filter 5 and booster 6；Described collection
The powder cabin one end open other end is closed, and is provided with the two or more symmetry to inner process at the collection powder cabin inwall near openend
A bracer 41 of arrangement；Filter is the hollow cylindrical that one end open is closed in one end, and the openend of filter is tapered,
The external diameter of the vertex of a cone is identical with the internal diameter of equipment compartment, and both form tight fit, and the diameter of the hollow cylindrical part of filter is little
Diameter of bore in equipment compartment；Filter is inserted collection powder cabin from the openend of collection powder cabin, makes the blind end of filter support
On bracer, being predominantly located in outside collection powder cabin of filter, by the filter being nested together and collection powder cabin from equipment compartment
Equipment opening insert in equipment compartment, make the vertex of a cone compression apparatus storehouse inwall of filter port end, both form tight fit,
In making space between filter and equipment compartment, the suction powder hole 21, the air-flow in access arrangement storehouse is made to have to pass through filtration
Booster could be flowed to from its openend after the filtration of device 5.
Chalk dust is stayed in the space between equipment compartment and filter after being filtered by filter, is affected by gravity, can be from filtration
Gap between device and collection powder cabin falls in collection powder cabin, if periodic cleaning collection powder cabin, it becomes possible to the chalk dust collected
Remove, and keep the filter capacity that chalkboard eraser is good, if chalk dust is piled up too much, suction powder hole may be blocked or cover
Cover stage filter, reduce the ability of sucking chalk powder.During cleaning chalk dust, powder will be collected from shell one end of chalkboard eraser
Storehouse is extracted out in shell, when needing, is also taken out by filter and clears up or change, and keeps the suction that chalkboard eraser is good
Dirt ability.
As shown in Fig. 4 to Figure 10, described booster is provided on the chalkboard eraser of filter port end；Equipment compartment
The closing plate of blind end extends outwardly into outer casing inner wall, close plate and away from the shell of equipment compartment between formed a power
Storehouse.
In actual application, in order to easy for installation, equipment compartment is fixed on base plate by the surrounding edge of demarcation strip, will
Equipment bulkhead near blind end hollows out and reserves some support columns, enables closing plate to plug, during installation, by supercharging
After device is fixed on closing plate, then it is inserted on equipment compartment, the hush panel of shell is sealed up make it fix the most again.
Described booster 6 mainly includes power wheel 61, transmission device, flywheel 62, fan blade 63 and lock-screw
64.Power wheel is located at power bin, is provided with power wheel bore on the base plate corresponding with power wheel, a part for power wheel from
Power wheel bore exposes, and closing plate is provided with power wheel shaft towards the wall of shell, and power wheel is enclosed within power wheel shaft,
Power wheel is fixed on power wheel shaft by lock-screw, and power wheel can turn around power wheel shaft under the effect of external force
Dynamic.When with chalkboard eraser blackboard wiping, blackboard eraser moves left and right generation frictional force on blackboard, and power wheel is by blackboard
Friction will move left and right on blackboard along with moving left and right of blackboard eraser, thus realize forward or reverse.
Flywheel is positioned at equipment compartment, and flywheel is provided with central shaft hole, and the central shaft hole round flywheel is provided with outwardly
Support column, fan blade is fixed on the outer wall of support column, and lock-screw 64 passes the central shaft of flywheel from the end of support column
Hole is screwed in the fixing hole closed on plate, and flywheel and fan blade can rotate around lock-screw under the effect of external force.
The ailhead diameter of lock-screw, more than the central shaft hole of flywheel, makes fan blade and flywheel will not deviate from from lock-screw.
Flywheel has the effect of energy storage, and when excess occurs in power input, flywheel can be with the form of kinetic energy by unnecessary
Energy absorption stores, and when power input is not enough, the energy release that flywheel can be stored again, when stopping wiping
When wiping blackboard, power wheel stops operating, but flywheel was owing to storing the energy contained before, therefore, by discharging this
A little energy stored can also be rotated further by a period of time such that it is able to continues to suck chalk dust.
Described transmission device is divided into again right transmission device 65 and Left Drive device 66, and power is led to when rotating forward by power wheel
Crossing the reversion of right transmission device flywheel driven, flywheel drives fan blade reversion to carry out dust suction again, is led to by power during power wheel reversion
Crossing the reversion of Left Drive device flywheel driven, flywheel drives fan blade reversion to carry out dust suction again.
Described right transmission device 65 mainly includes right drive 651, right unidirectional driven pulley 652, right single direction ratchet
653 and right driving wheel 654, to close and stretch out a right support block on plate, right support block is provided with right power transmission shaft, right
Driving wheel tube is on right power transmission shaft, and right driving wheel is enclosed within right driving axle, and right driving axle is fixed on closing plate, right list
Being enclosed within follower shaft to driven pulley, right unidirectional follower shaft is fixed on closing plate.
The unidirectional driven pulley in the described right side is divided into two-stage, and the one-level external diameter near power wheel is less than another level away from power wheel
External diameter；Described right driving wheel also includes two-stage, near another less than away from power wheel of the external diameter of one-level of power wheel
The external diameter of one-level；The outer wall of right drive driven pulley unidirectional with the right side engages near the outer wall of the one-level of power wheel, right unidirectional
Driven pulley engages near the outer wall of the one-level of power wheel with right driving wheel away from the outer wall of another grade of power wheel, right driving
Take turns the outer wall of another grade away from power wheel to engage with the outer wall of flywheel.The central shaft hole inwall of right unidirectional driven pulley with set
Right single direction ratchet engagement on right driving wheel, makes right unidirectional driven pulley to reversely rotate, when power wheel reversely rotates
Time, right drive inverts, is affected by right single direction ratchet, and right unidirectional driven pulley can not rotate forward.
Described Left Drive device 66 mainly includes Left Drive wheel 661, left unidirectional driven pulley 662, left single direction ratchet
663, left driving wheel 664 and and engage the most respectively with them between left unidirectional driven pulley and left driving wheel
Jie's gear 665, closes on plate prominent one piece of left support block to the direction of equipment compartment, and left support block is provided with Left Drive axle,
Left Drive wheel is enclosed within Left Drive wheel shaft, and left driving wheel is enclosed within left driving wheel axle, and left driving wheel axle is fixed on closing plate
On, left unidirectional driven pulley is enclosed within left unidirectional follower shaft, and left unidirectional follower shaft is fixed on closing plate, intermediary's tooth
Wheel is enclosed within mesomerism gear axle, and mesomerism gear axle is fixed on closing plate.The central shaft hole inwall of left unidirectional driven pulley with
The left single direction ratchet engagement being located on left driving wheel, makes left unidirectional driven pulley to rotate forward, when power wheel forward revolves
When turning, being affected by left single direction ratchet, left unidirectional driven pulley can not invert.
The unidirectional driven pulley in a described left side is divided into two-stage, and the one-level external diameter near power wheel is less than another level away from power wheel
External diameter；Described left driving wheel also includes two-stage, near another less than away from power wheel of the external diameter of one-level of power wheel
The external diameter of one-level；The outer wall driven pulley unidirectional with a left side of Left Drive wheel engages near the outer wall of the one-level of power wheel, left unidirectional
Driven pulley engages with the outer wall of mesomerism gear away from the outer wall of another grade of power wheel, the outer wall of mesomerism gear and left driving
Wheel is near the outer wall engagement of the one-level of power wheel, the left driving wheel outer wall away from another grade of power wheel and the outer wall of flywheel
Engagement；Power wheel is provided with the corral limit extended to equipment compartment direction, the outer wall of right drive towards the edge of equipment compartment
Engaging with inside the surrounding edge of power wheel, the outer wall of Left Drive wheel engages with inside the surrounding edge of power wheel.
When power wheel rotates, right drive and Left Drive wheel is driven to rotate；Right drive driven pulley unidirectional with the right side engages,
When power wheel drives right drive to rotate forward, right single direction ratchet is inoperative, and right drive drives right unidirectional driven pulley anti-
Turning, right unidirectional driven pulley drives right driving wheel to rotate forward again, and right driving wheel flywheel driven inverts, and flywheel drives fan blade anti-again
Turn and realize dust suction；When power wheel drives Left Drive wheel reversion, left single direction ratchet is inoperative, Left Drive wheel 661 band
Dynamic left unidirectional driven pulley 662 rotates forward, and left unidirectional driven pulley 662 drives the mesomerism gear reversion engaged, intermediary again
Gear drives the left driving wheel engaged to rotate forward again, and left driving wheel drives the flywheel reversion engaged, and flywheel carries again
Dynamic fan blade reversion realizes dust suction；When being erased the board from left to right by chalkboard eraser, power wheel rotates forward and drives right drive to rotate forward
The most also driving Left Drive wheel to rotate forward, Left Drive wheel rotates forward and drives left unidirectional driven pulley to reversely rotate, but left unidirectional driven
Wheel is affected by left single direction ratchet can only be rotated forward and can not invert, and therefore, left unidirectional driven pulley does not rotates；By chalkboard eraser from
When a dextrad left side erases the board, power wheel inverts, and drives right drive and Left Drive wheel reversion, owing to right drive is by right list
Can only invert can not rotate forward to ratchet impact, therefore, right unidirectional driven pulley does not rotates, and Left Drive wheel reversion drives left list
Rotating forward to driven pulley, left unidirectional driven pulley rotates forward and drives mesomerism gear reversion, mesomerism gear reversion just driving left driving wheel
Turning, left driving wheel rotates forward flywheel driven reversion, and flywheel drives fan blade to rotate again and realizes dust suction；The corresponding right driving of equipment compartment
The position of wheel and driving wheel is respectively equipped with right air outlet and left air outlet, and right driving wheel passes equipment compartment by right air outlet
Wall enters outer casing space, and left driving wheel enters outer casing space through left air outlet, after fan blade rotates the air-flow pressurization sucked
Enter outer casing space through right air outlet and left air outlet, then be discharged to outside shell by venthole.
The maximum outside diameter of the unidirectional driven pulley in the described right side is less than the maximum radius of right driving wheel.
The maximum outside diameter of the unidirectional driven pulley in a described left side is less than the maximum radius of left driving wheel.
Right drive is fixed on right power axle by right drive trip bolt so that it is can only be under the effect of external force
Rotating around right power axle, accordingly, Left Drive wheel is fixed on Left Drive wheel shaft by Left Drive wheel screw, makes
It can only rotate around Left Drive wheel shaft under the effect of external force.
Owing to flywheel has the effect of energy storage, when stopping erasing the board, power wheel stops operating, accordingly, and right transmission
Device and Left Drive device also quit work, but flywheel can be rotated further and just stop operating for a moment under the effect of inertia,
Therefore, after stopping erasing the board, fan blade also may proceed to work and inhales ash, it is to avoid just wipes the chalk dust that blackboard produces and also exists
Fly upward, and fan blade has quit work and caused chalk dust to fly upward pollution surrounding enviroment.
The shirt rim 16 that edge along base plate arranges downwards and extends internally, the height of described shirt rim is less than the height of rub piece
Degree.From the air-flow of venthole discharge by the guide function of shirt rim, around chalkboard eraser, form one gas curtain, prevent powder
Ash flies upward.
In actual application, on the closing plate of equipment compartment, the outer wall along power wheel arranges a circle baffle plate, makes power
Wheel is positioned at the space that baffle plate is formed, and a part for power wheel remains able to be exposed by friction by power wheel bore
Realizing forward or reverse, the closing plate outside baffle plate arranges through hole, the air-flow enabling fan blade to blow out enters power bin
It is discharged to outside shell through being positioned at the venthole of power bin.
Equipment compartment is positioned at the height height less than the surrounding edge of demarcation strip of demarcation strip section below.
Filter uses filter paper or filter cotton to make.
The roof of shell arranges arrow mark upwards.Making booster be positioned at above arrow, collection powder cabin is positioned at letter head
Lower section.The diapire of shell arranges magnet, blackboard arranges iron plate, enable chalkboard eraser to be existed by magnet adsorption
On blackboard.When placing chalkboard eraser, placing by arrow mark instruction, make arrow upward, the chalk dust outside filter is at weight
Will automatically drop under the effect of power collect in powder cabin.
During assembling, first equipment compartment and demarcation strip are put in shell, then base plate is connected with the top of shell, then will
Booster, filter and collection powder cabin are inserted in equipment compartment.
Above-described embodiment is intended merely to the purposes of the interpretation present invention, and is not limitation of the present invention, this technology
The those of ordinary skill in field, in the essential scope of the present invention, makes a variety of changes or substitutes, and also should belong to this
Bright protection category.
Claims (7)
1. can the chalkboard eraser of automatic dust absorption, base plate (11) outer wall in shell (1) is provided with one or more
Strip rub piece (12), it is characterised in that: shell hollow, arrange on base plate in multiple and shell round rub piece
The suction hole (13) that hole communicates；Being provided with the equipment compartment (2) of cylindrical hollow in the enclosure, equipment compartment one end down is opened
Mouthful, shell short side plate down arranges the equipment opening (14) corresponding with the opening of equipment compartment, outside equipment compartment
Wall is provided with one piece of demarcation strip (3) parallel with base plate (11), make a part for equipment compartment be positioned at demarcation strip and base plate it
Between, the edge along demarcation strip (3) is provided with the surrounding edge that base plate is prominent, outside the surrounding edge of demarcation strip surrounding is pressed in
On the base plate of shell, the suction hole on base plate (13) is made to be positioned in surrounding edge endoporus；Between demarcation strip and base plate
Multiple suction powder hole (21) is set on equipment bulkhead, enables chalk dust to pass sequentially through suction hole, to inhale powder hole access arrangement
Storehouse；Multiple venthole (15) is set on the base plate outside the surrounding edge being positioned at demarcation strip；Described can automatic dust absorption
Chalkboard eraser also includes collecting powder cabin (4), filter (5) and booster (6)；Described collection another end seal of powder cabin one end open
Close, be provided with a bracer of the two or more symmetric arrays to inner process at the collection powder cabin inwall near openend；Filter
Close the hollow cylindrical of one end open for one end, the openend of filter is tapered, the external diameter of the vertex of a cone and equipment compartment interior
Footpath is identical, and both form tight fit, and the diameter of the hollow cylindrical part of filter is less than the diameter of bore of equipment compartment；Will
Filter inserts collection powder cabin from the openend of collection powder cabin, makes the blind end of filter be against on bracer, filter big
Part is positioned at outside collection powder cabin, inserts in equipment compartment by the filter being nested together and collection powder cabin from the equipment opening of equipment compartment,
Making the vertex of a cone compression apparatus storehouse inwall of filter port end, both form tight fit, make suction powder hole be positioned at filter and set
In space between standby storehouse, could be from its openend after making the air-flow in access arrangement storehouse have to pass through the filtration of filter (5)
Flow to booster；Described booster is provided on the chalkboard eraser of filter port end；The closing of equipment compartment blind end
Plate extends outwardly into outer casing inner wall, close plate and away from the shell of equipment compartment between formed a power bin；Described increasing
Depressor (6) mainly includes power wheel (61), transmission device, flywheel (62), fan blade (63) and lock-screw (64)；Power wheel
Being located at power bin, be provided with power wheel bore on the base plate corresponding with power wheel, a part for power wheel is naked from power wheel hole
Expose, when chalkboard eraser blackboard wiping, drive power wheel forward or reverse；Close plate to set on the wall of shell
Dynamic wheel shaft, power wheel is enclosed within power wheel shaft, and power wheel is fixed on power wheel shaft by lock-screw, power wheel
Can rotate around power wheel shaft under the effect of external force；Flywheel is positioned at equipment compartment, and flywheel is provided with central shaft hole, encloses
Central shaft hole around flywheel is provided with support column outwardly, and fan blade is fixed on the outer wall of support column, lock-screw from
The end of support column is screwed in the fixing hole closed on plate through the central shaft hole of flywheel, and flywheel and fan blade can be outside
Rotate around lock-screw under the effect of power；Described transmission device is divided into again right transmission device (65) and Left Drive device
(66), being inverted by right transmission device flywheel driven by power when power wheel rotates forward, flywheel drives fan blade reversion to carry out again
Dust suction, is inverted power by Left Drive device flywheel driven during power wheel reversion, and flywheel drives fan blade reversion to carry out again
Dust suction；Described right transmission device (65) mainly includes right drive (651), right unidirectional driven pulley (652), right unidirectional spine
Wheel (653) and right driving wheel (654), close and stretch out a right support block on plate, and right support block is provided with right power transmission shaft,
Right driving wheel tube is on right power transmission shaft, and right driving wheel is enclosed within right driving axle, and right driving axle is fixed on closing plate, from
Driving wheel is enclosed within follower shaft, and follower shaft is fixed on closing plate；The unidirectional driven pulley in the described right side is divided into two-stage, leans on
The one-level external diameter of nearly power wheel is less than the external diameter of another grade away from power wheel；Described right driving wheel also includes two-stage,
External diameter near the one-level of power wheel is less than the external diameter of another grade away from power wheel；The outer wall of right drive is unidirectional with the right side
Driven pulley engages near the outer wall of the one-level of power wheel, right unidirectional driven pulley away from the outer wall of another grade of power wheel with right
Driving wheel engages near the outer wall of the one-level of power wheel, and right driving wheel is away from outer wall and the flywheel of another grade of power wheel
Outer wall engages；Described Left Drive device (66) mainly includes that Left Drive takes turns (661), left unidirectional driven pulley (662), Zuo Dan
To ratchet (663), left driving wheel (664) and all distinguish between left unidirectional driven pulley and left driving wheel and with them
The mesomerism gear (665) of engagement, closes on plate prominent one piece of left support block to the direction of equipment compartment, and left support block is provided with
Left Drive axle, Left Drive wheel is enclosed within Left Drive wheel shaft, and left driving wheel is enclosed within left driving wheel axle, and left driving wheel axle is solid
Being scheduled on closing plate, left unidirectional driven pulley is enclosed within left unidirectional follower shaft, and left unidirectional follower shaft is fixed on closing plate
On, mesomerism gear is enclosed within mesomerism gear axle, and mesomerism gear axle is fixed on closing plate；The unidirectional driven pulley in a described left side
Being divided into two-stage, the one-level external diameter near power wheel is less than the external diameter of another grade away from power wheel；Described left driving wheel
Also including two-stage, the external diameter near the one-level of power wheel is less than the external diameter of another grade away from power wheel；Left Drive wheel
Outer wall driven pulley unidirectional with a left side engages near the outer wall of the one-level of power wheel, and left unidirectional driven pulley is away from another of power wheel
The outer wall of level engages with the outer wall of mesomerism gear, and the outer wall of mesomerism gear and left driving wheel are outside the one-level of power wheel
Wall engages, and left driving wheel engages with the outer wall of flywheel away from the outer wall of another grade of power wheel；Power wheel is towards equipment compartment
Edge be provided with to equipment compartment direction extend a corral limit, nibble inside the outer wall of right drive and the surrounding edge of power wheel
Closing, the outer wall of Left Drive wheel engages with inside the surrounding edge of power wheel；When power wheel rotates, drive right drive and a left side
Drive rotates；Right drive driven pulley unidirectional with the right side engages, the central shaft hole inwall of right unidirectional driven pulley be located at the right side
Right single direction ratchet engagement on driving wheel, makes right unidirectional driven pulley to reversely rotate, when power wheel reversely rotates,
Right drive inverts, and is affected by right single direction ratchet, and right unidirectional driven pulley can not rotate forward；When power wheel drives right transmission
When wheel rotates forward, right single direction ratchet is inoperative, and right drive drives the reversion of right unidirectional driven pulley, and right unidirectional driven pulley is again
Driving right driving wheel to rotate forward, right driving wheel flywheel driven inverts, and flywheel drives fan blade reversion to realize dust suction again；Left unidirectional
The central shaft hole inwall of driven pulley engages with the left single direction ratchet being located on left driving wheel, makes the left unidirectional driven pulley can only be just
To rotation, when power wheel rotates forward, being affected by left single direction ratchet, left unidirectional driven pulley can not reversely rotate；
When power wheel drives Left Drive wheel reversion, left single direction ratchet is inoperative, and Left Drive wheel (661) drives left unidirectional driven
Wheel (662) rotates forward, and left unidirectional driven pulley (662) drives the mesomerism gear reversion engaged again, and mesomerism gear drives again
The left driving wheel engaged rotates forward, and left driving wheel drives the flywheel reversion engaged, and flywheel drives fan blade to invert again
Realize dust suction；When being erased the board from left to right by chalkboard eraser, power wheel rotates forward and drives right drive also to drive while rotating forward
Left Drive wheel rotates forward, and Left Drive wheel rotates forward and drives left unidirectional driven pulley to reversely rotate, but left unidirectional driven pulley is by left unidirectional
The impact of ratchet can only rotate forward and can not invert, and therefore, left unidirectional driven pulley does not rotates；Chalkboard eraser is blacked from right to left
During plate, power wheel inverts, and drives right drive and Left Drive wheel reversion, owing to right drive is affected by right single direction ratchet
Can only invert and can not rotate forward, therefore, right unidirectional driven pulley does not rotates, and Left Drive wheel reversion is just driving left unidirectional driven pulley
Turning, left unidirectional driven pulley rotates forward and drives mesomerism gear reversion, mesomerism gear reversion to drive left driving wheel to rotate forward, left driving
Wheel rotates forward flywheel driven reversion, and flywheel drives fan blade to rotate again and realizes dust suction；The corresponding right driving wheel of equipment compartment and driving wheel
Position be respectively equipped with right air outlet and left air outlet, right driving wheel by right air outlet through equipment bulkhead enter shell
Space, left driving wheel enters outer casing space through left air outlet, and fan blade rotates after the air-flow sucked pressurizes through right air outlet
Enter outer casing space with left air outlet, then be discharged to outside shell by venthole.
The most according to claim 1 can the chalkboard eraser of automatic dust absorption, it is characterised in that: the described right side is unidirectional
The maximum outside diameter of driven pulley is less than the maximum radius of right driving wheel.
The most according to claim 1 can the chalkboard eraser of automatic dust absorption, it is characterised in that: a described left side is unidirectional
The maximum outside diameter of driven pulley is less than the maximum radius of left driving wheel.
The most according to claim 1 can the chalkboard eraser of automatic dust absorption, it is characterised in that: along the edge of base plate
The shirt rim (16) arranged downwards and extend internally, the height of described shirt rim is less than the height of rub piece.
The most according to claim 1 can the chalkboard eraser of automatic dust absorption, it is characterised in that: equipment compartment is positioned at point
The height of dividing plate section below is less than the height of the surrounding edge of demarcation strip.
The most according to claim 1 can the chalkboard eraser of automatic dust absorption, it is characterised in that: filter used
Filter paper or filter cotton make.
The most according to claim 1 can the chalkboard eraser of automatic dust absorption, it is characterised in that: at the roof of shell
Upper setting arrow mark upwards.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510399088.3A CN104943454B (en) | 2015-07-09 | 2015-07-09 | A kind of can the chalkboard eraser of automatic dust absorption |
| CN201610182323.6A CN105691062A (en) | 2015-07-09 | 2015-07-09 | Supercharger used for blackboard eraser |
| CN201610182130.0A CN105835576A (en) | 2015-07-09 | 2015-07-09 | Chalk eraser with pressurizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510399088.3A CN104943454B (en) | 2015-07-09 | 2015-07-09 | A kind of can the chalkboard eraser of automatic dust absorption |
Related Child Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610181449.1A Division CN105667151A (en) | 2015-07-09 | 2015-07-09 | Chalk eraser with filter |
| CN201610182323.6A Division CN105691062A (en) | 2015-07-09 | 2015-07-09 | Supercharger used for blackboard eraser |
| CN201610182314.7A Division CN105667153A (en) | 2015-07-09 | 2015-07-09 | Chalkboard eraser |
| CN201610182287.3A Division CN105667152A (en) | 2015-07-09 | 2015-07-09 | Chalkboard eraser with chalk dust collecting bin |
| CN201610182130.0A Division CN105835576A (en) | 2015-07-09 | 2015-07-09 | Chalk eraser with pressurizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104943454A CN104943454A (en) | 2015-09-30 |
| CN104943454B true CN104943454B (en) | 2016-08-17 |
Family
ID=54158731
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510399088.3A Active CN104943454B (en) | 2015-07-09 | 2015-07-09 | A kind of can the chalkboard eraser of automatic dust absorption |
| CN201610182130.0A Pending CN105835576A (en) | 2015-07-09 | 2015-07-09 | Chalk eraser with pressurizer |
| CN201610182323.6A Pending CN105691062A (en) | 2015-07-09 | 2015-07-09 | Supercharger used for blackboard eraser |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610182130.0A Pending CN105835576A (en) | 2015-07-09 | 2015-07-09 | Chalk eraser with pressurizer |
| CN201610182323.6A Pending CN105691062A (en) | 2015-07-09 | 2015-07-09 | Supercharger used for blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN104943454B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104943454B (en) * | 2015-07-09 | 2016-08-17 | 晋江市东亨工业设计有限公司 | A kind of can the chalkboard eraser of automatic dust absorption |
| CN106976341B (en) * | 2017-04-07 | 2018-07-31 | 西南交通大学 | A kind of mechanical dust-absorbing blackboard brush |
| CN109570466B (en) * | 2018-12-30 | 2023-11-17 | 江苏共昌轧辊股份有限公司 | Multi-station damping centrifugal casting machine with high cooling efficiency |
| CN109760452B (en) * | 2019-03-06 | 2020-11-24 | 六安维奥智能科技有限公司 | Dust-collecting blackboard eraser |
| CN112172384A (en) * | 2020-10-21 | 2021-01-05 | 南京工程学院 | From plug-type blackboard about taking blackboard eraser |
| CN112845226B (en) * | 2021-03-04 | 2022-04-15 | 业成科技（成都）有限公司 | Glue cleaning pen |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03271000A (en) * | 1990-03-20 | 1991-12-03 | Seiko Epson Corp | Blackboard erasure |
| CN201082648Y (en) * | 2007-07-10 | 2008-07-09 | 陈宣言 | Dust-absorbing blackboard eraser |
| CN202006684U (en) * | 2011-04-28 | 2011-10-12 | 杜立瑞 | Self erasing and suction type blackboard eraser |
| CN203142196U (en) * | 2013-01-21 | 2013-08-21 | 薛越 | Automatic dust-fall-free environment-friendly type chalk eraser |
| JP5506005B1 (en) * | 2013-03-29 | 2014-05-28 | 佑太 国安 | Blackboard wipe |
| CN204296313U (en) * | 2014-12-05 | 2015-04-29 | 刘一伟 | Inhale grey chalkboard eraser |
| CN104943454B (en) * | 2015-07-09 | 2016-08-17 | 晋江市东亨工业设计有限公司 | A kind of can the chalkboard eraser of automatic dust absorption |
| CN204749663U (en) * | 2015-07-09 | 2015-11-11 | 晋江市东亨工业设计有限公司 | Chalkboard eraser that can automatic dust absorption |
-
2015
- 2015-07-09 CN CN201510399088.3A patent/CN104943454B/en active Active
- 2015-07-09 CN CN201610182130.0A patent/CN105835576A/en active Pending
- 2015-07-09 CN CN201610182323.6A patent/CN105691062A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN104943454A (en) | 2015-09-30 |
| CN105835576A (en) | 2016-08-10 |
| CN105691062A (en) | 2016-06-22 |
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Inventor after: Han Lizhen Inventor before: Li Yaoqiang |
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Effective date of registration: 20170911 Address after: 300000 Tianjin city Wuqing district under Zhuzhuang Street Ming Bo Road No. 8 Building 3 Fuli Bay Garden Gate No. 401 Patentee after: Han Lizhen Address before: 362212 Fujian city of Quanzhou province Jinjiang city Chidian bridge citimex 5 Washington building 1102 Patentee before: JINJIANG DONGHENG INDUSTRIAL DESIGN CO., LTD. |
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Effective date of registration: 20180521 Address after: 216100 No. 78 Nanjing Road, Haimen town, Haimen, Nantong, Jiangsu Patentee after: Haimen Cang Yun Machinery Co., Ltd. Address before: 300000 No. 3, building 8, Fu Li Wan garden, Ming Po Road, Wuqing, Tianjin. Patentee before: Han Lizhen |
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Effective date of registration: 20191202 Address after: 239300 Shizhuang village, Zhengji Town, Tianchang, Chuzhou, Anhui Patentee after: Tianchang Shuangfeng Stationery Co. Ltd. Address before: 216100 No. 78 Nanjing Road, Sijia Town, Haimen City, Nantong City, Jiangsu Province Patentee before: Haimen Cang Yun Machinery Co., Ltd. |