CN107984933A - A kind of application method of portable environmental-protection blackboard eraser - Google Patents
A kind of application method of portable environmental-protection blackboard eraser Download PDFInfo
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- CN107984933A CN107984933A CN201711410368.5A CN201711410368A CN107984933A CN 107984933 A CN107984933 A CN 107984933A CN 201711410368 A CN201711410368 A CN 201711410368A CN 107984933 A CN107984933 A CN 107984933A
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- eraser
- blackboard
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- roller
- nut
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K21/00—Propelling pencils
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- Drawing Aids And Blackboards (AREA)
Abstract
The present invention relates to a kind of application method of portable environmental-protection blackboard eraser, the portable environmental-protection blackboard eraser includes hand-held housing, driving device, transmission device, roller eraser；The application method of the portable environmental-protection blackboard eraser comprises the following steps：Step 1, roller eraser rolls erasing chalk bits；Step 2, the roller eraser velocity of rotation is adjusted；Step 3, blackboard eraser movement damping is adjusted；A kind of application method of portable environmental-protection blackboard eraser of the present invention, is rotated by the bristle outer layer of roller eraser and considers the chalk on blackboard to be worth doing erasing；The rotating speed of the roller eraser can be adjusted, adjusts the effect of erasing chalk；The damping of the mobile blackboard eraser on blackboard can also be adjusted；A kind of application method of portable environmental-protection blackboard eraser of the present invention, movement from left to right is done on blackboard in the bristle outer layer front end, its direction of motion and blackboard eraser moving direction add the effect of erasing blackboard on the contrary, considerably increase the relative moving speed between bristle and blackboard.
Description
Technical field
The present invention relates to blackboard eraser technical field, and in particular to a kind of application method of portable environmental-protection blackboard eraser.
Background technology
Blackboard eraser is essential instrument during school instruction, and being rubbed using blackboard eraser on blackboard can be by chalk
Bits are wiped.The blackboard eraser of the prior art is relatively simple, it is main include with a blackboard eraser main body held and to blackboard friction
Soft fabric.
But the friction between the blackboard eraser of the prior art and blackboard is all by the relative displacement of blackboard eraser and blackboard Lai real
Existing, its erasing effect is bad, causes to be frequently necessary to just wipe in the reciprocal friction in same position when erasing the board
Totally, it is therefore desirable to which design is a kind of rational in infrastructure, the blackboard eraser fully to rub can be realized with blackboard, by blackboard eraser except clean.
The content of the invention
In order to solve technical problem present in background technology, the present invention provides a kind of user of portable environmental-protection blackboard eraser
Method, is rotated by the bristle outer layer of roller eraser and considers the chalk on blackboard to be worth doing erasing；The rotating speed of the roller eraser can be adjusted,
Adjust the effect of erasing chalk；The damping of the mobile blackboard eraser on blackboard can also be adjusted；One kind of the present invention is just
Take the application method of environment-friendly dust-proof eraser, movement from left to right is done in the bristle outer layer front end on blackboard, its direction of motion with
Blackboard eraser moving direction adds the effect of erasing blackboard on the contrary, considerably increase the relative moving speed between bristle and blackboard
Fruit.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of application method of portable environmental-protection blackboard eraser,
The portable environmental-protection blackboard eraser includes hand-held housing, driving device, transmission device, roller eraser；
The hand-held housing includes：
Outer cover body, cuboid shape；
Upper driving chamber, is located above the outer cover body, and hole on screw rod, the upper driving are equipped with the left of the upper driving chamber upper end
Chamber front face open is set；
Middle drive cavity, is located in the middle part of the outer cover body, forms spacing board between the middle drive cavity and upper driving chamber, institute
State and be equipped with nut jack on the left of spacing board, be additionally provided with hole corresponding position on screw rod on the upper spacing board and set through nut jack
The screw insertion put, the middle drive cavity right side are equipped with right openings, and the right openings upper and lower is respectively equipped with upper and lower limit
Position plate, the upper and lower limit plate is arranged in parallel and inclined downward to the left；
Lower rolling chamber, is located at the outer cover body the latter half, lower interval is formed between the lower rolling chamber and middle drive cavity
Plate, the lower spacing board left side is equipped with connection circular hole and limiting cylinder is equipped with above the connection circular hole, before the lower rolling chamber
End face opening is set；
The driving device includes：
Drive roller wheel, is rotatably located in the upper driving chamber, before the drive roller wheel front end is emerging in the outer cover body
Side；
Axis is driven, is located in the middle part of the drive roller wheel lower face, the driving axis is in the upper spacing board is inserted into
In drive cavity；
Drive bevel gear, is located at below the driving axis, in shape with wide top and narrow bottom；
The transmission device includes：
Angled drive device, is located on the right side of the middle drive cavity and the inclination insertion tube of lower section extension to the left, is located at described tilt and inserts
The compression spring in tube inner chamber upper right side, the gear circular shaft being axially plugged in the inclination insertion tube along the inclination insertion tube, be located at
The annular groove of the gear circular shaft outer wall, passed through the inclination insertion tube side wall and the square being inserted into the annular groove by lower section
Shape plug, the first screw rod being located at below the rectangular insert, the first nut coordinated with first screw flight, described the
For one nut between the upper limit plate, lower limiting board, the first nut side is through the right openings and is emerging in
On the right side of outer cover body, the angled drive device further include be located at gear circular shaft lower-left end and with the drive bevel gear left margin
It is driven the driven wheel of differential coordinated, is coaxially located at the slave mantle disk of the driven cone pulley left end, it is described from mantle disk top half
Left side edge is set in vertical direction；
Vertical transmission device, including be rotatably located in the nut jack the second nut, be spirally connected with second nut
And the second screw rod, the speed governing cross bar that is vertically located at below second screw rod being plugged in the screw insertion, the speed governing
Rotatably equipped with the round outside but spuare inside slip insertion tube in cross section, described equipped with spacing circular hole and in the spacing circular hole in cross bar
Vertical transmission device, which further includes, to be located at the slip insertion tube and is located at speed governing cross bar（32c）The major diameter annulus of top, be located at the cunning
Dynamic insertion tube is located at the path annulus below speed governing cross bar, the rectangle inserted link mating with the slip insertion tube, is located at the square
Shape inserted link lower end and be inserted into via limiting cylinder in lower rolling chamber cylinder inserted link, be located at the main belt of the cylinder inserted link lower end
Wheel, is pierced by nut jack on the left of second nut and is emerging on the left of outer cover body, the major diameter annulus with it is described from mantle disk
Top half left side edge is sequentially connected；
The roller eraser includes：
Roller shaft, is rotatably plugged in the upper and lower end face of lower rolling chamber；
Cylinder stack shell, is located at the roller shaft circumference outer wall, in lower rolling chamber with one heart；
Bristle outer layer, is located at the cylinder stack shell outer circumferential walls, is emerging in front of the bristle outer layer in front of outer cover body；
Driven pulley, is located in the roller shaft, the side with the cylindrical drum, the driven pulley and the main belt
Wheel is sequentially connected by conveyer belt；
The application method of the portable environmental-protection blackboard eraser, comprises the following steps：
Step 1, roller eraser rolls erasing chalk bits：
Its front end face is set to be resisted against on blackboard with hand pressing blackboard eraser, the drive roller wheel front end and blackboard driving contact are described
It is resisted against on blackboard in front of bristle outer layer, is moved with hand-motion blackboard eraser on blackboard, drives the drive roller wheel to rotate；
The drive roller wheel drives the driving axis, drive bevel gear to rotate, and the drive bevel gear acts on described driven
Rotated described in bevel gear and then drive from mantle disk, it is described to drive the major diameter annulus, slip insertion tube, rectangle to insert from mantle disk
Bar, cylinder inserted link, driving pulley rotate, and the driving pulley pulls driven pulley to rotate to drive the roller by conveyer belt
Cylinder eraser rotates, and the bristle outer layer rotates and considers the chalk on the blackboard to be worth doing erasing；
Step 2, the roller eraser velocity of rotation is adjusted：
Rotating second nut drives second screw rod, speed governing cross bar vertically to move, and the speed governing cross bar pulls
The slip insertion tube, major diameter annulus, path annulus vertically move, the major diameter annulus and the contact from mantle disk
Position along longitudinally varying, it is described from mantle disk to drive the perimeter change of effective circumference of the major diameter annulus, cause described
Major diameter annulus, slip insertion tube rotation speed change, the rectangle inserted link, cylinder inserted link, driving pulley rotation speed change, and then described in realization
The rotation speed change of roller eraser；
Step 3, blackboard eraser movement damping is adjusted：
Rotate first nut and drive first screw rod, rectangular insert movement, adjust the rectangular insert to the annular
The extruding force of groove, and then the rotary resistance of the gear circular shaft is adjusted, adjust the rotation resistance of the driving device, roller eraser
Power, adjusts the damping that blackboard eraser moves on blackboard.
Further, the driving pulley outer wall, driven pulley outer circumferential walls, conveyer belt inner wall are equipped with anti-skid chequer.
Beneficial effects of the present invention：
A kind of application method of portable environmental-protection blackboard eraser of the present invention, is rotated blackboard by the bristle outer layer of roller eraser
On chalk bits erasing.
A kind of application method of portable environmental-protection blackboard eraser of the present invention, it is simple and quick, and can be adjusted
Section：
Second nut is rotated while holding blackboard eraser and with finger, you can is adjusted the rotating speed of the roller eraser, is adjusted
The effect of erasing chalk；Or rotate first nut while holding blackboard eraser and with finger, you can adjustment is on blackboard
The damping of the mobile blackboard eraser.
The application method of a kind of portable environmental-protection blackboard eraser of the present invention, by taking the blackboard eraser that moves right as an example, by upper
On the view direction looked down, the drive roller wheel rotates in an anti-clockwise direction, and drives institute by the angled drive device
State major diameter annulus, slip insertion tube is done rotationally clockwise, and then drives the rectangle inserted link, cylinder inserted link, driving pulley to do
Rotationally clockwise, the driven pulley drives the roller shaft, cylinder stack shell, bristle outer layer to do and turns clockwise
Dynamic, movement from left to right is done in the bristle outer layer front end on blackboard, its direction of motion is with blackboard eraser moving direction on the contrary, big
The big relative moving speed added between bristle and blackboard, adds the effect of erasing blackboard.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is a kind of sectional view of embodiment of the blackboard eraser.
Fig. 2 is a kind of sectional view of embodiment of the blackboard eraser.
Fig. 3 is a kind of top view of embodiment of the blackboard eraser.
Fig. 4 is A portions enlarged diagram in Fig. 1.
Fig. 5 is a kind of sectional view of embodiment of the vertical transmission device.
In figure:
1. hand-held housing, 11. outer cover bodies, driving chamber on 12., hole on 12a. screw rods, drive cavity in 13., the upper spacing boards of 13a.,
13b. nut jacks, 13c. screw insertions, 13d. right openings, 13e. upper limit plates, 13f. lower limiting boards, 14. times rolling chambers,
Spacing board under 14a., 14b. limiting cylinders；
2. driving device, 21. drive roller wheels, 22. driving axis, 23. drive bevel gears；
3. transmission device, 31. angled drive devices, 31a. tilt insertion tube, 31b. compression springs, 31c. gear circular shafts 31d. annulars
Groove, 31e. rectangular inserts, the first screw rods of 31f., the first nuts of 31g., 31h. driven wheel of differential, 31i. are perpendicular from mantle disk, 32.
Direct-transmission device, the second nuts of 32a., the second screw rods of 32b., 32c. speed governing cross bars, 32d. slip insertion tubes, 32e. major diameter annulus,
32f. path annulus, 32g. rectangle inserted links, 32h. cylinder inserted links, 32i. driving pulleys；
4. roller eraser, 41. roller shafts, 42. cylinder stack shells, 43. bristle outer layers, 44. driven pulleys.
Embodiment
Below in conjunction with attached drawing, the present invention is described in further detail.
A kind of application method of portable environmental-protection blackboard eraser,
The portable environmental-protection blackboard eraser includes hand-held housing 1, driving device 2, transmission device 3, roller eraser 4；
The hand-held housing 1 includes：
Outer cover body 11, cuboid shape；
Upper driving chamber 12, is located at the top of outer cover body 11, hole 12a on screw rod is equipped with the left of upper 12 upper end of driving chamber,
12 front face open of upper driving chamber is set；
Have benefited from said structure design, hole 12a avoids second spiral shell to be installed with the second screw rod 32b on the screw rod
Bar 32b is locked on 11 upper surface of outer cover body when being acted on uplink by the second nut 32a.
Middle drive cavity 13, is located at the middle part of outer cover body 11, is molded between the middle drive cavity 13 and upper driving chamber 12
There is upper spacing board 13a, be equipped with the left of the upper spacing board 13a on nut jack 13b, the upper spacing board 13a and hole on screw rod
12a corresponding positions are additionally provided with the screw insertion 13c set through nut jack 13b, and the middle right side of drive cavity 13 is equipped with right side opening
Mouth 13d, the right openings 13d upper and lowers are respectively equipped with upper and lower limit plate（13e、13f）, the upper and lower limit plate（13e、
13f）It is arranged in parallel and inclined downward to the left；
Lower rolling chamber 14, is located at 11 the latter half of outer cover body, is molded between the lower rolling chamber 14 and middle drive cavity 13
There is lower spacing board 14a, be equipped with connection circular hole on the left of the lower spacing board 14a and limiting cylinder is equipped with above the connection circular hole
14b, lower 14 front face open of rolling chamber are set；
The driving device 2 includes：
Drive roller wheel 21, is rotatably located in the upper driving chamber 12, and 21 front end of drive roller wheel is emerging in the shell
The front of body 11；
Axis 22 is driven, is located in the middle part of 21 lower face of drive roller wheel, the driving axis 22 runs through the upper spacing board 13a
It is inserted into drive cavity 13；
Drive bevel gear 23, is located at 22 lower section of driving axis, in shape with wide top and narrow bottom；
The transmission device 3 includes：
Angled drive device 31, be located at the inclination insertion tube 31a on the right side of the middle drive cavity 13 and lower section extension to the left, be located at it is described
Tilt the compression spring 31b in insertion tube 31a inner cavities upper right side, be axially plugged in the inclination insertion tube 31a along the inclination insertion tube 31a
Interior gear circular shaft 31c, be located at the annular groove 31d of the gear circular shaft 31c outer walls, pass through the inclination insertion tube by lower section
31a side walls and rectangular insert 31e, the first screw rod that is located at below the rectangular insert 31e being inserted into the annular groove 31d
31f and the first nut 31g, the first nut 31g of the first screw rod 31f thread fittings are located at the upper limit plate
Between 13e, lower limiting board 13f, the first nut 31g sides are through the right openings 13d and are emerging in outer cover body 11
Right side, the angled drive device 31 further include be located at gear circular shaft 31c lower-lefts end and with 23 left margin of drive bevel gear
It is driven the driven wheel of differential 31h coordinated, is coaxially located at the slave mantle disk 32i of the driven cone pulley 31h left ends, it is described from mantle disk
32i top halfs left side edge is set in vertical direction；
The rectangular insert 31e cross sections are rectangle, it can only be slided and cannot rotated through the inclination insertion tube 31a,
Therefore the first nut 31g, which is rotated, can drive the first screw rod 31f, rectangular insert 31e to advance.
Further, the end that the rectangular insert 31e is contacted with the annular groove 31d is equipped with cushion, the rectangle
Plug 31e extrudes annular groove 31d by cushion, and the cushion causes the adjustable range bigger more line of extrusion stress
Property, avoid the phenomenon for directly causing the gear circular shaft 31c not rotate with rectangular insert 31e extruding annular groove 31d.
Vertical transmission device 32, including be rotatably located in the nut jack 13b the second nut 32a, with it is described
The second screw rod 32b that second nut 32a is spirally connected and is plugged in the screw insertion 13c, be vertically located at the second screw rod 32b
Spacing circular hole is equipped with speed governing the cross bar 32c, the speed governing cross bar 32c of lower section and is rotatably equipped with the spacing circular hole
The round outside but spuare inside slip insertion tube 32d in cross section, the vertical transmission device 32, which further includes, is located at the slip insertion tube 32d positioned at tune
Major diameter annulus 32e above fast cross bar 32c, be located at the path annulus that the slip insertion tube 32d is located at below speed governing cross bar 32c
32f, the rectangle inserted link 32g mating with the slip insertion tube 32d, be located at the rectangle inserted link 32g lower ends and via spacing
Cylinder inserted link 32h in the lower rolling chamber 14 of cylinder 14b insertions, the driving pulley 32i for being located at the cylinder inserted link 32h lower ends, institute
State and nut jack 13b is pierced by the left of the second nut 32a is emerging in the left side of outer cover body 11, the major diameter annulus 32e with it is described from
Mantle disk 31i top halfs left side edge is sequentially connected；
The roller eraser 4 includes：
Roller shaft 41, is rotatably plugged in the 14 upper and lower end face of lower rolling chamber；
Cylinder stack shell 42, is located at 41 outer circumferential walls of roller shaft, in lower rolling chamber 14 with one heart；
Bristle outer layer 43, is located at 42 outer circumferential walls of cylinder stack shell, and the front of bristle outer layer 43 is emerging in outer cover body 11
Front；
Driven pulley 44, is located in the roller shaft 41, above the cylinder stack shell 42, the driven pulley 44 and institute
Driving pulley 32i is stated to be sequentially connected by conveyer belt；
The application method of the portable environmental-protection blackboard eraser, comprises the following steps：
Step 1, roller eraser 4 rolls erasing chalk bits：
Its front end face is set to be resisted against on blackboard with hand pressing blackboard eraser, 21 front end of drive roller wheel and blackboard driving contact, institute
State the front of bristle outer layer 43 to be resisted against on blackboard, moved with hand-motion blackboard eraser on blackboard, drive 21 turns of the drive roller wheel
It is dynamic；
The drive roller wheel 21 drives the driving axis 22, drive bevel gear 23 to rotate, and the drive bevel gear 23 acts on
Rotated described in the driven wheel of differential 31h and then drive from mantle disk 31i, it is described to drive the major diameter annulus from mantle disk 31i
32e, slide insertion tube 32d, rectangle inserted link 32g, cylinder inserted link 32h, driving pulley 32i rotations, and the driving pulley 32i passes through biography
Band is sent to pull driven pulley 44 to rotate and then drive the roller eraser 4 to rotate, the bristle outer layer 43 rotates and will be described black
Chalk bits erasing on plate；
Step 2,4 velocity of rotation of roller eraser is adjusted：
Rotating the second nut 32a drives the second screw rod 32b, speed governing cross bar 32c vertically to move, the speed governing
Cross bar 32c pulls the slip insertion tube 32d, major diameter annulus 32e, path annulus 32f vertically to move, the major diameter annulus
32e and the contact position from mantle disk 31i along longitudinally varying, it is described from mantle disk 31i driving the major diameter annulus
The perimeter change of effective circumference of 32e, causes the major diameter annulus 32e, slides insertion tube 32d rotation speed changes, the rectangle inserted link
32g, cylinder inserted link 32h, driving pulley 32i rotation speed changes, and then realize the rotation speed change of the roller eraser 4；
Step 3, blackboard eraser movement damping is adjusted：
Rotate the first nut 31g and drive the first screw rod 31f, rectangular insert 31e movement, adjust the rectangular insert
31e adjusts the rotary resistance of the gear circular shaft 31c to the extruding force of the annular groove 31d, adjusts the driving dress
The 2, rotary resistance of roller eraser 4 is put, adjusts the damping that blackboard eraser moves on blackboard.
Further, the driving pulley 32i outer walls, 44 outer circumferential walls of driven pulley, conveyer belt inner wall are equipped with anti-skid chequer.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (2)
- A kind of 1. application method of portable environmental-protection blackboard eraser, it is characterised in that：Using a kind of portable environmental-protection blackboard eraser, the portable environmental-protection blackboard eraser includes hand-held housing（1）, driving device（2）, transmission Device（3）, roller eraser（4）；The hand-held housing（1）Including：Outer cover body（11）, cuboid shape；Upper driving chamber（12）, it is located at the outer cover body（11）Top, the upper driving chamber（12）It is equipped with the left of upper end on screw rod Hole（12a）, the upper driving chamber（12）Front face open is set；Middle drive cavity（13）, it is located at the outer cover body（11）Middle part, the middle drive cavity（13）With upper driving chamber（12）Between Form spacing board（13a）, the upper spacing board（13a）Left side is equipped with nut jack（13b）, the upper spacing board（13a） Hole on upper and screw rod（12a）Corresponding position is additionally provided with through nut jack（13b）The screw insertion of setting（13c）, the middle transmission Chamber（13）Right side is equipped with right openings（13d）, the right openings（13d）Upper and lower is respectively equipped with upper and lower limit plate（13e、 13f）, the upper and lower limit plate（13e、13f）It is arranged in parallel and inclined downward to the left；Lower rolling chamber（14）, it is located at the outer cover body（11）The latter half, the lower rolling chamber（14）With middle drive cavity（13） Between form lower spacing board（14a）, the lower spacing board（14a）Left side is equipped with connection circular hole and is set above the connection circular hole There is limiting cylinder（14b）, the lower rolling chamber（14）Front face open is set；The driving device（2）Including：Drive roller wheel（21）, rotatably it is located at the upper driving chamber（12）It is interior, the drive roller wheel（21）Front end is emerging in institute State outer cover body（11）Front；Drive axis（22）, it is located at the drive roller wheel（21）In the middle part of lower face, the driving axis（22）Between described go up Partition plate（13a）It is inserted into middle drive cavity（13）It is interior；Drive bevel gear（23）, it is located at the driving axis（22）Lower section, in shape with wide top and narrow bottom；The transmission device（3）Including：Angled drive device（31）, it is located at the middle drive cavity（13）Right side and the inclination insertion tube of lower section extension to the left（31a）, set In the inclination insertion tube（31a）The compression spring in inner cavity upper right side（31b）, along the inclination insertion tube（31a）Axially it is plugged in institute State inclination insertion tube（31a）Interior gear circular shaft（31c）, be located at the gear circular shaft（31c）The annular groove of outer wall（31d）, by Lower section, which passes through, tilts insertion tube（31a）Side wall is simultaneously inserted into the annular groove（31d）Interior rectangular insert（31e）, be located at the square Shape plug（31e）First screw rod of lower section（31f）And first screw rod（31f）First nut of thread fitting（31g）, institute State the first nut（31g）Positioned at the upper limit plate（13e）, lower limiting board（13f）Between, first nut（31g）Side Through the right openings（13d）And it is emerging in outer cover body（11）Right side, the angled drive device（31）Further include and be located at Gear circular shaft（31c）Lower-left end and with the drive bevel gear（23）The driven wheel of differential that left margin transmission coordinates（31h）, it is coaxial It is located at the driven cone pulley（31h）The slave mantle disk of left end（32i）, it is described from mantle disk（32i）Top half left side edge is in Vertical direction is set；Vertical transmission device（32）, including rotatably it is located at the nut jack（13b）The second interior nut（32a）With institute State the second nut（32a）It is spirally connected and is plugged in the screw insertion（13c）The second interior screw rod（32b）, be vertically located at described Two screw rods（32b）The speed governing cross bar of lower section（32c）, the speed governing cross bar（32c）It is interior to be equipped with spacing circular hole and in the spacing circle Rotatably equipped with the round outside but spuare inside slip insertion tube in cross section in hole（32d）, the vertical transmission device（32）Further include and be located at The slip insertion tube（32d）Positioned at speed governing cross bar（32c）The major diameter annulus of top（32e）, be located at the slip insertion tube（32d）Position In speed governing cross bar（32c）The path annulus of lower section（32f）And the slip insertion tube（32d）Mating rectangle inserted link （32g）, be located at the rectangle inserted link（32g）Lower end and via limiting cylinder（14b）The lower rolling chamber of insertion（14）Interior cylinder is inserted Bar（32h）, be located at the cylinder inserted link（32h）The driving pulley of lower end（32i）, second nut（32a）Left side is pierced by spiral shell Female plug hole（13b）It is emerging in outer cover body（11）Left side, the major diameter annulus（32e）With described from mantle disk（31i）The first half Left side edge is divided to be sequentially connected；The roller eraser（4）Including：Roller shaft（41）, rotatably it is plugged in the lower rolling chamber（14）Upper and lower end face；Cylinder stack shell（42）, the roller shaft is located at one heart（41）Outer circumferential walls, positioned at lower rolling chamber（14）It is interior；Bristle outer layer（43）, it is located at the cylinder stack shell（42）Outer circumferential walls, the bristle outer layer（43）Front is emerging in shell Body（11）Front；Driven pulley（44）, it is located at the roller shaft（41）On, positioned at the cylinder stack shell（42）Top, the driven pulley （44）With the driving pulley（32i）It is sequentially connected by conveyer belt；The application method of the portable environmental-protection blackboard eraser, comprises the following steps：Step 1, roller eraser（4）Roll erasing chalk bits：Its front end face is set to be resisted against on blackboard with hand pressing blackboard eraser, the drive roller wheel（21）Front end and blackboard driving contact, The bristle outer layer（43）Front is resisted against on blackboard, is moved with hand-motion blackboard eraser on blackboard, drives the drive roller wheel （21）Rotate；The drive roller wheel（21）Drive the driving axis（22）, drive bevel gear（23）Rotate, the drive bevel gear （23）Act on the driven wheel of differential（31h）And then drive described from mantle disk（31i）Rotate, it is described from mantle disk（31i） Drive the major diameter annulus（32e）, slide insertion tube（32d）, rectangle inserted link（32g）, cylinder inserted link（32h）, driving pulley（32i） Rotate, the driving pulley（32i）Driven pulley is pulled by conveyer belt（44）Rotate and then drive the roller eraser（4）Turn It is dynamic, the bristle outer layer（43）Rotate and consider the chalk on the blackboard to be worth doing erasing；Step 2, the roller eraser is adjusted（4）Velocity of rotation：Rotate second nut（32a）Drive second screw rod（32b）, speed governing cross bar（32c）Vertically move, institute State speed governing cross bar（32c）Pull the slip insertion tube（32d）, major diameter annulus（32e）, path annulus（32f）Vertically move It is dynamic, the major diameter annulus（32e）With described from mantle disk（31i）Contact position along longitudinally varying, it is described from mantle disk（31i） To drive the major diameter annulus（32e）Effective circumference perimeter change, cause the major diameter annulus（32e）, slide insertion tube （32d）Rotation speed change, the rectangle inserted link（32g）, cylinder inserted link（32h）, driving pulley（32i）Rotation speed change, and then realize The roller eraser（4）Rotation speed change；Step 3, blackboard eraser movement damping is adjusted：Rotate first nut（31g）Drive first screw rod（31f）, rectangular insert（31e）It is mobile, adjust the rectangle Plug（31e）To the annular groove（31d）Extruding force, and then adjust the gear circular shaft（31c）Rotary resistance, adjust The driving device（2）, roller eraser（4）Rotary resistance, adjust the damping moved on blackboard of blackboard eraser.
- A kind of 2. application method of portable environmental-protection blackboard eraser according to claim 1, it is characterised in that：The driving pulley （32i）Outer wall, driven pulley（44）Outer circumferential walls, conveyer belt inner wall are equipped with anti-skid chequer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711410368.5A CN107984933A (en) | 2017-12-23 | 2017-12-23 | A kind of application method of portable environmental-protection blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711410368.5A CN107984933A (en) | 2017-12-23 | 2017-12-23 | A kind of application method of portable environmental-protection blackboard eraser |
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| Publication Number | Publication Date |
|---|---|
| CN107984933A true CN107984933A (en) | 2018-05-04 |
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|---|---|---|---|
| CN201711410368.5A Pending CN107984933A (en) | 2017-12-23 | 2017-12-23 | A kind of application method of portable environmental-protection blackboard eraser |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN2108633U (en) * | 1991-01-24 | 1992-07-01 | 崔红 | Eraser with collecting dust function |
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| CN2557341Y (en) * | 2002-07-09 | 2003-06-25 | 张越 | Blackboard eraser |
| CN2609775Y (en) * | 2002-05-13 | 2004-04-07 | 蒋东东 | Electric environmental protection energy-saving eraser |
| CN101987552A (en) * | 2009-07-31 | 2011-03-23 | 海安县商业学校 | Automatic blackboard eraser |
| CN203895044U (en) * | 2014-06-06 | 2014-10-22 | 丽水市职业高级中学 | Portable electrically-controlled engine fault arrangement and testing box |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2043923U (en) * | 1989-01-28 | 1989-09-06 | 谭世榆 | Friction chalk powder absorbing eraser without power source |
| CN2108633U (en) * | 1991-01-24 | 1992-07-01 | 崔红 | Eraser with collecting dust function |
| CN2160555Y (en) * | 1993-06-29 | 1994-04-06 | 宁春刚 | Dust-free blackboard eraser |
| JPH09118100A (en) * | 1995-10-25 | 1997-05-06 | Ricoh Elemex Corp | Writing board |
| CN2609775Y (en) * | 2002-05-13 | 2004-04-07 | 蒋东东 | Electric environmental protection energy-saving eraser |
| CN2557341Y (en) * | 2002-07-09 | 2003-06-25 | 张越 | Blackboard eraser |
| CN101987552A (en) * | 2009-07-31 | 2011-03-23 | 海安县商业学校 | Automatic blackboard eraser |
| CN203895044U (en) * | 2014-06-06 | 2014-10-22 | 丽水市职业高级中学 | Portable electrically-controlled engine fault arrangement and testing box |
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