CN110422000A - A kind of hand electric teaching aid that wiping effect is good - Google Patents
A kind of hand electric teaching aid that wiping effect is good Download PDFInfo
- Publication number
- CN110422000A CN110422000A CN201910675323.3A CN201910675323A CN110422000A CN 110422000 A CN110422000 A CN 110422000A CN 201910675323 A CN201910675323 A CN 201910675323A CN 110422000 A CN110422000 A CN 110422000A
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- China
- Prior art keywords
- hole
- main body
- access cover
- collecting box
- transmission shaft
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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
- B43L21/04—Wiper holders
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- Manipulator (AREA)
- Cleaning In General (AREA)
Abstract
The present invention relates to a kind of good hand electric teaching aids of wiping effect, including main body, access cover and the first rotating brush, the shape of the main body is cuboid, the side of the main body is equipped with access hole, the access cover is matched with access hole, the access cover is arranged in access hole, the side of the separate access cover of main body is arranged in first rotating brush, driving mechanism and dust-collecting mechanism are equipped in the main body, the driving mechanism includes driving motor, transmission shaft and connecting hole, the dust-collecting mechanism includes collecting box, exhaust tube, aspiration pump, strainer and at least two air intake assemblies, the good hand electric teaching aid of the wiping effect realizes the first rotating brush of driving and the counter-rotational function of the second rotating brush by driving mechanism, improve wiping effect, moreover, it is also realized and is collected in wiping process by dust-collecting mechanism The function of the chalk dust of generation, avoids dust harzard.
Description
Technical field
The present invention relates to teaching equipment field, in particular to the good hand electric teaching aid of a kind of wiping effect.
Background technique
When teaching aid refers to that student can intuitively, visually understand each appliances used in the content of courses and teachers' instruction
The general name of the apparatus used, abbreviation teaching aid generally divide common teaching aid, special teaching aid and Teachig-aid for infant studying, and blackboard eraser is commonly to teach
One kind of tool is for by the tool of the letter written with chalk wiped clean on blackboard.
Existing blackboard eraser in use, wiping mode it is more single, it usually needs by repeatedly wiping just can will
Letter written with chalk wiped clean, wiping effect is poor, moreover, when blackboard eraser wiping chalk writing, will cause what dust was flown upward everywhere
Phenomenon not only influences teaching, pollutes environment, and the main component of chalk dust is calcium carbonate or calcium sulfate, and dust is easy to pair
Lung, the upper respiratory tract, eye, ear and the skin of teachers and students causes damages.
Summary of the invention
The technical problem to be solved by the present invention is for overcome the deficiencies in the prior art, it is good to provide a kind of wiping effect
Hand electric teaching aid.
The technical solution adopted by the present invention to solve the technical problems is: a kind of hand electric that wiping effect is good teaching
Apparatus, including main body, access cover and the first rotating brush, the shape of the main body are cuboid, and the side of the main body is equipped with inspection
Mouth is repaired, the access cover is matched with access hole, and the access cover is arranged in access hole, and first rotating brush is arranged in main body
Separate access cover side, driving mechanism and dust-collecting mechanism are equipped in the main body；
The driving mechanism includes driving motor, transmission shaft and connecting hole, and the separate inspection of main body is arranged in the connecting hole
The side of mouth is repaired, the axis of the connecting hole is vertical equipped with the plane where connecting hole side with main body, the connecting hole
Aperture is equal with the diameter of rotation axis, and the transmission shaft passes through connecting hole, and the transmission shaft is slidingly and sealingly connect with connecting hole,
First rotating brush is mounted on one end of transmission shaft, the other end transmission connection of the driving motor and transmission shaft, the drive
Dynamic motor is fixed on the inner wall of main body, and gap is equipped between the driving motor and access cover；
The dust-collecting mechanism includes collecting box, exhaust tube, aspiration pump, strainer and at least two air intake assemblies, the collection
The shape of case is cuboid, and between driving motor and access cover, the collecting box is fixed on access cover the collecting box,
The side of collecting box is arranged in the exhaust tube, and the exhaust tube is connected to collecting box, and the aspiration pump is arranged on exhaust tube,
The strainer is mounted on exhaust tube, and the main body is equipped with venthole, and the venthole is located at the separate exhaust tube of main body
Side, for the driving motor between exhaust tube and venthole, the air intake assembly is circumferential centered on the axis of transmission shaft
It is evenly distributed on the side of the close driving motor of collecting box；
The air intake assembly includes air inlet pipe, check valve, through-hole and pilot hole, and the separate of main body is arranged in the pilot hole
The side of the close driving motor of collecting box, the axis and transmission shaft of the through-hole is arranged in the side of access cover, the through-hole
Axis it is parallel, the pilot hole and through-hole are coaxially disposed, and the aperture of the through-hole and the aperture of pilot hole are equal, the air inlet
Pipe is coaxially disposed with through-hole, and the outer diameter of the air inlet pipe and the aperture of through-hole are equal, and the air inlet pipe passes through through-hole, the air inlet
Pipe is slidingly and sealingly connect with through-hole, and one end of the separate access cover of the air inlet pipe is set in assembly hole, the air inlet pipe
It seals and is fixedly connected with the inner wall of pilot hole, the air inlet pipe is connected to collecting box.
Preferably, being equipped with accessory part in the main body to improve wiping effect, the accessory part includes driving
Gear and at least two auxiliary units, the driving gear are mounted on transmission shaft, and the auxiliary unit and air inlet pipe one are a pair of
Answer, the auxiliary unit be located at driving gear and air inlet pipe between, the auxiliary unit include driven gear, rotation axis, bearing,
The side of the separate access cover of main body, the rotation axis and transmission shaft is arranged in second rotating brush and mounting hole, the mounting hole
In parallel, the bearing is located in mounting hole, and the rotation axis passes through mounting hole, and the inner ring of the bearing is installed on the rotating shaft,
The outer ring of the bearing seals and is fixedly connected with the inner wall of mounting hole, and the driven gear is mounted on the close maintenance of rotation axis
One end of lid, second rotating brush are mounted on the other end of rotation axis, and the driving gear is engaged with driven gear.
Preferably, being coated with profit on the driving gear to subtract the frictional force between small drive gear and driven gear
Lubricating oil.
Preferably, being equipped with compression assembly in the collecting box to improve collecting amount, the compression assembly includes compression
Plate and at least two power units, the compression plate is vertical with transmission shaft, the close access cover one of the compression plate and collecting box
The inner wall of side is against equipped with gap, the power list between the inner wall of the separate access cover side of the compression plate and collecting box
The side of the separate access cover of compression plate is arranged in member, and the power unit and air inlet pipe correspond, and the power unit drives
Compression plate is moved along the axial movement of transmission shaft.
Preferably, in order to realize buffering and effectiveness in vibration suppression, the side of the close access cover of the compression plate is equipped with rubber
Block, the rubber block are laid in compression plate.
Preferably, the power motor includes power rail, fixed block, electromagnet, spring in order to drive compression plate mobile
And the side of the separate access cover of collecting box is arranged in through hole, the through hole, the power rail is parallel with transmission shaft, described
Power rail passes through through hole, and the power rail is slidingly and sealingly connect with through hole, and one end of the power rail is fixed on compression
On plate, the fixed block is fixed on the other end of power rail, and the spring is between collecting box and fixed block, the fixed block
It is connect by spring with collecting box, the electromagnet is arranged in the side of the separate collecting box of fixed block, the electromagnet and solid
Determine the setting of block face, the electromagnet is fixed on the inner wall of main body, equipped with gap between the electromagnet and fixed block, and
Gap is greater than distance between the inner wall of the separate access cover side of compression plate and collecting box, and the making material of the fixed block is iron.
Preferably, being coated on the inner wall of the through hole close to improve the leakproofness between power rail and through hole
Seal rouge.
Preferably, in order to improve the driving force of driving motor, the driving motor is servo motor.
Preferably, the main body is equipped with anti-skid chequer in order to avoid skidding.
Preferably, in order to extend the service life of transmission shaft, the transmission shaft is equipped with anticorrosion galvanizing layer.
The invention has the advantages that the good hand electric teaching aid of the wiping effect is realized by driving mechanism
The first rotating brush and the counter-rotational function of the second rotating brush are driven, wiping effect is improved, compared with existing driving mechanism,
The driving mechanism structure is ingenious, and practicability is stronger, moreover, is also realized in collection wiping process and is generated by dust-collecting mechanism
Chalk dust function, avoid dust harzard, compared with existing dust-collecting mechanism, which can also promote driving motor
Heat dissipation effect, practicability is stronger.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the good hand electric teaching aid of wiping effect of the invention；
Fig. 2 is the cross-sectional view of the good hand electric teaching aid of wiping effect of the invention；
Fig. 3 is the portion the A enlarged drawing of Fig. 2；
Fig. 4 is the portion the B enlarged drawing of Fig. 2；
In figure: 1. main bodys, 2. access covers, 3. first rotating brushes, 4. driving motors, 5. transmission shafts, 6. collecting boxs, 7. pumpings
Pipe, 8. aspiration pumps, 9. strainers, 10. air inlet pipe, 11. check valves, 12. driving gears, 13. driven gears, 14. rotation axis, 15.
Bearing, 16. second rotating brushes, 17. compression plates, 18. rubber blocks, 19. power rails, 20. fixed blocks, 21. electromagnet, 22. springs.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, the hand electric teaching aid that a kind of wiping effect is good, including main body 1, access cover 2 and first
Rotating brush 3, the shape of the main body 1 are cuboid, and the side of the main body 1 is equipped with access hole, the access cover 2 and access hole
Matching, the access cover 2 are arranged in access hole, and the side of the separate access cover 2 of main body 1 is arranged in first rotating brush 3,
Driving mechanism and dust-collecting mechanism are equipped in the main body 1；
User holds main body 1, moves the first rotating brush 3 on blackboard, realizes the function of letter written with chalk on wiping blackboard,
Here, the effect that driving mechanism is arranged is to make to drive the rotation of the first rotating brush 3 and promote wiping effect, and the work of dust-collecting mechanism is arranged
With the function of being realization collection chalk dust.
As shown in Fig. 2, the driving mechanism includes driving motor 4, transmission shaft 5 and connecting hole, the connecting hole setting exists
The side of the separate access hole of main body 1, the axis of the connecting hole and hanging down equipped with the plane where connecting hole side for main body 1
Directly, the aperture of the connecting hole is equal with the diameter of rotation axis 14, and the transmission shaft 5 passes through connecting hole, the transmission shaft 5 and company
It connects hole slidingly and sealingly to connect, first rotating brush 3 is mounted on one end of transmission shaft 5, the driving motor 4 and transmission shaft 5
The other end transmission connection, the driving motor 4 is fixed on the inner wall of main body 1, between the driving motor 4 and access cover 2
Equipped with gap；
Driving motor 4 is run, and so that transmission shaft 5 is driven the rotation of the first rotating brush 3, to make the first rotating brush 3 on blackboard
It can be realized simultaneously rotation and movement, increase wiping mode, improve wiping effect.
As shown in figure 3, the dust-collecting mechanism includes collecting box 6, exhaust tube 7, aspiration pump 8, strainer 9 and at least two air inlets
The shape of component, the collecting box 6 is cuboid, and the collecting box 6 is between driving motor 4 and access cover 2, the collection
Case 6 is fixed on access cover 2, and the side of collecting box 6 is arranged in the exhaust tube 7, and the exhaust tube 7 is connected to collecting box 6, institute
State aspiration pump be arranged on exhaust tube 7, the strainer 9 is mounted on exhaust tube 7, the main body 1 be equipped with venthole, it is described go out
Stomata is located at the side of the separate exhaust tube 7 of main body 1, the driving motor 4 between exhaust tube 7 and venthole, it is described into
Pneumatic module is circumferentially evenly distributed on the side of the close driving motor 4 of collecting box 6 centered on the axis of transmission shaft 5；
The air intake assembly includes air inlet pipe 10, check valve 11, through-hole and pilot hole, and the pilot hole is arranged in main body 1
Separate access cover 2 side, the side of the close driving motor 4 of collecting box 6, the axis of the through-hole is arranged in the through-hole
Parallel with the axis of transmission shaft 5, the pilot hole and through-hole are coaxially disposed, the aperture of the through-hole and the aperture phase of pilot hole
Deng the air inlet pipe 10 is coaxially disposed with through-hole, and the outer diameter of the air inlet pipe 10 is equal with the aperture of through-hole, the air inlet pipe 10
Across through-hole, the air inlet pipe 10 is slidingly and sealingly connect with through-hole, one end setting of the separate access cover 2 of the air inlet pipe 10
In pilot hole, the air inlet pipe 10 is sealed and is fixedly connected with the inner wall of pilot hole, and the air inlet pipe 10 connects with collecting box 6
It is logical.
In wiping process, by pumping pump operation, extract exhaust tube 7 in the air delivery to main body 1 in collecting box 6,
To make the air pressure in collecting box 6 reduce, so that air inlet pipe 10 is conveyed air under the influence of air pressure and enter in collecting box 6, pass through
Chalk dust can be delivered in collecting box 6 by air inlet pipe 10, realize the function of collecting chalk dust by the flowing of air, this
In, by the unidirectional characteristic of check valve 11, can flow back to avoid the chalk dust in collecting box 6 from air inlet pipe 10, the effect of strainer 9
Be avoid chalk dust in collecting box 6 from being discharged from exhaust tube 7, meanwhile, the air that exhaust tube 7 is extracted out is discharged from venthole again, leads to
Flowing of the air in main body 1 is crossed, the effect of the heat dissipation of driving motor 4 can be promoted.
Preferably, being equipped with accessory part in the main body 1 to improve wiping effect, the accessory part includes driving
Moving gear 12 and at least two auxiliary units, the driving gear 12 are mounted on transmission shaft 5, the auxiliary unit and air inlet pipe
10 correspond, and the auxiliary unit is located between driving gear 12 and air inlet pipe 10, and the auxiliary unit includes driven gear
13, the separate access cover 2 of main body 1 is arranged in rotation axis 14, bearing 15, the second rotating brush 16 and mounting hole, the mounting hole
Side, the rotation axis 14 is parallel with transmission shaft 5, and the bearing 15 is located in mounting hole, and the rotation axis 14 passes through mounting hole,
The inner ring of the bearing 15 is mounted in rotation axis 14, and the outer ring of the bearing 15 and the inner wall sealing and fixation of mounting hole connect
It connects, the driven gear 13 is mounted on one end of the close access cover 2 of rotation axis 14, and second rotating brush 16 is mounted on rotation
The other end of axis 14, the driving gear 12 are engaged with driven gear 13.
The rotation of transmission shaft 5 drives driving gear 12 to rotate, and the rotation of driving gear 12 makes to rotate by driven gear 13
Axis 14 drives the second rotating brush 16 to rotate under the supporting role of bearing 15, and turn of the first rotating brush 3 and the second rotating brush 16
To on the contrary, wiping effect can be promoted further.
Preferably, in order to subtract the frictional force between small drive gear 12 and driven gear 13, on the driving gear 12
It is coated with lubricating oil.
The effect of lubricating oil is the frictional force subtracted between small drive gear 12 and driven gear 13, improves driving 12 band of gear
The fluency that dynamic driven gear 13 rotates.
Preferably, being equipped with compression assembly in the collecting box 6 to improve collecting amount, the compression assembly includes pressure
Contracting plate 17 and at least two power units, the compression plate 17 is vertical with transmission shaft 5, and the compression plate 17 is leaned on collecting box 6
The inner wall of nearly 2 side of access cover between the inner wall of 2 side of separate access cover of the compression plate 17 and collecting box 6 against being equipped with
The side of the separate access cover 2 of compression plate 17 is arranged in gap, the power unit, and the power unit and air inlet pipe 10 are one by one
Corresponding, the power unit drives compression plate 17 along the axial movement of transmission shaft 5.
Keep compression plate 17 mobile away from 2 direction of access cover by power unit, to allow compression plate 17 that will receive
Chalk dust in header 6 is compressed, to reduce the volume of the chalk dust in collecting box 6, improves collection capacity, and
And compression plate 17 can be made to reset by power unit.
Preferably, in order to realize buffering and effectiveness in vibration suppression, the side of the close access cover 2 of the compression plate 17 is equipped with rubber
Blob of viscose 18, the rubber block 18 are laid in compression plate 17.
Rubber quality is more soft, can reduce compression plate 17 and collecting box 6 against when the impact force that generates, play slow
The effect of punching and vibration damping.
As shown in figure 4, the power motor includes power rail 19, fixed block 20, electromagnet 21, spring 22 and through hole,
The side of the separate access cover 2 of collecting box 6 is arranged in the through hole, and the power rail 19 is parallel with transmission shaft 5, the power
Bar 19 passes through through hole, and the power rail 19 is slidingly and sealingly connect with through hole, and one end of the power rail 19 is fixed on pressure
On contracting plate 17, the fixed block 20 is fixed on the other end of power rail 19, the spring 22 be located at collecting box 6 and fixed block 20 it
Between, the fixed block 20 is connect by spring 22 with collecting box 6, and the separate collecting box of fixed block 20 is arranged in the electromagnet 21
6 side, the electromagnet 21 are arranged with 20 face of fixed block, and the electromagnet 21 is fixed on the inner wall of main body 1, the electricity
Gap is equipped between magnet 21 and fixed block 20, and gap is greater than the interior of compression plate 17 and 2 side of separate access cover of collecting box 6
Distance between wall, the making material of the fixed block 20 are iron.
When electromagnet 21 is powered, the active force to attract each other is generated between the fixed block 20 of electromagnet 21 and irony, thus
Make fixed block 20 drive compression plate 17 away from the movement of 2 direction of access cover by power rail 19, and stretch spring 22, works as electricity
When magnet 21 powers off, power rail 19 drives compression plate 17 to reset under the elastic reaction of spring 22, realizes driving compression plate 17
Mobile function.
Preferably, being coated on the inner wall of the through hole to improve the leakproofness between power rail 19 and through hole
Stop-leak compound.
The effect of stop-leak compound is the gap reduced between power rail 19 and through hole inner wall, improves leakproofness.
Preferably, in order to improve the driving force of driving motor 4, the driving motor 4 is servo motor.
Servo motor has the characteristics that overload capacity is strong, so as to improve the driving force of driving motor 4.
Preferably, the main body 1 is equipped with anti-skid chequer in order to avoid skidding.
The effect of anti-skid chequer is the frictional force improved between user's hand and main body 1, avoids skidding.
Preferably, in order to extend the service life of transmission shaft 5, the transmission shaft 5 is equipped with anticorrosion galvanizing layer.
The effect of anticorrosion galvanizing layer is the antirust ability for promoting transmission shaft 5, extends the service life of transmission shaft 5.
The apparatus is to hold main body 1 using hair method, moves the first rotating brush 3 and the second rotating brush 16 i.e. on blackboard
Can, during which, is realized and rotated backward on blackboard by the first rotating brush 3 and the second rotating brush 16, the first rotating brush 3 can be promoted
With the wiping effect of the second rotating brush 16, moreover, the chalk dust generated in wiping process is focused on collecting box 6 by air-flow
In, it can be to avoid dust harzard.
Compared with prior art, the good hand electric teaching aid of the wiping effect realizes driving by driving mechanism
First rotating brush 3 and the counter-rotational function of the second rotating brush 16, improve wiping effect, compared with existing driving mechanism,
The driving mechanism structure is ingenious, and practicability is stronger, moreover, is also realized in collection wiping process and is generated by dust-collecting mechanism
Chalk dust function, avoid dust harzard, compared with existing dust-collecting mechanism, which can also promote driving motor
4 heat dissipation effect, practicability are stronger.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
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 range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of good hand electric teaching aid of wiping effect, including main body (1), access cover (2) and the first rotating brush
(3), the shape of the main body (1) is cuboid, and the side of the main body (1) is equipped with access hole, the access cover (2) and maintenance
Mouth matching, the access cover (2) are arranged in access hole, separate access cover of the first rotating brush (3) setting in main body (1)
(2) side, which is characterized in that driving mechanism and dust-collecting mechanism are equipped in the main body (1)；
The driving mechanism includes driving motor (4), transmission shaft (5) and connecting hole, and the connecting hole is arranged in the remote of main body (1)
Side from access hole, the axis of the connecting hole and main body (1) be equipped with connecting hole side where plane it is vertical, the company
The aperture for connecing hole is equal with the diameter of rotation axis (14), the transmission shaft (5) pass through connecting hole, the transmission shaft (5) with connect
Hole slidingly and sealingly connects, and first rotating brush (3) is mounted on one end of transmission shaft (5), the driving motor (4) and transmission
The other end of axis (5) is sequentially connected, and the driving motor (4) is fixed on the inner wall of main body (1), the driving motor (4) with
Gap is equipped between access cover (2)；
The dust-collecting mechanism includes collecting box (6), exhaust tube (7), aspiration pump (8), strainer (9) and at least two air intake assemblies,
The shape of the collecting box (6) is cuboid, and the collecting box (6) is located between driving motor (4) and access cover (2), described
Collecting box (6) is fixed on access cover (2), the exhaust tube (7) setting in the side of collecting box (6), the exhaust tube (7) with
Collecting box (6) connection, the aspiration pump are arranged on exhaust tube (7), and the strainer (9) is mounted on exhaust tube (7), the master
Body (1) is equipped with venthole, and the venthole is located at the side of the separate exhaust tube (7) of main body (1), the driving motor (4)
Between exhaust tube (7) and venthole, the air intake assembly is circumferentially evenly distributed on receipts centered on the axis of transmission shaft (5)
The side of the close driving motor (4) of header (6)；
The air intake assembly includes air inlet pipe (10), check valve (11), through-hole and pilot hole, and the pilot hole is arranged in main body
(1) side of separate access cover (2), the side of close driving motor (4) of the through-hole setting in collecting box (6) are described
The axis of through-hole is parallel with the axis of transmission shaft (5), and the pilot hole and through-hole are coaxially disposed, the aperture of the through-hole and assembly
The aperture in hole is equal, and the air inlet pipe (10) and through-hole are coaxially disposed, the aperture phase of the outer diameter and through-hole of the air inlet pipe (10)
Through-hole is passed through Deng, the air inlet pipe (10), the air inlet pipe (10) slidingly and sealingly connect with through-hole, the air inlet pipe (10)
One end far from access cover (2) is set in assembly hole, and the air inlet pipe (10) seals and is fixedly connected with the inner wall of pilot hole,
The air inlet pipe (10) is connected to collecting box (6).
2. the good hand electric teaching aid of wiping effect as described in claim 1, which is characterized in that the main body (1)
Interior to be equipped with accessory part, the accessory part includes driving gear (12) and at least two auxiliary units, the driving gear
(12) it is mounted on transmission shaft (5), the auxiliary unit and air inlet pipe (10) correspond, and the auxiliary unit is located at sliding tooth
It takes turns between (12) and air inlet pipe (10), the auxiliary unit includes driven gear (13), rotation axis (14), bearing (15), second
Rotating brush (16) and mounting hole, the mounting hole are arranged in the side of the separate access cover (2) of main body (1), the rotation axis
(14) parallel with transmission shaft (5), the bearing (15) is located in mounting hole, and the rotation axis (14) passes through mounting hole, the axis
The inner ring for holding (15) is mounted on rotation axis (14), and the outer ring of the bearing (15) and the inner wall sealing and fixation of mounting hole connect
It connects, the driven gear (13) is mounted on one end of the close access cover (2) of rotation axis (14), the second rotating brush (16) peace
The other end mounted in rotation axis (14), the driving gear (12) are engaged with driven gear (13).
3. the good hand electric teaching aid of wiping effect as described in claim 1, which is characterized in that the driving gear
(12) lubricating oil is coated on.
4. the good hand electric teaching aid of wiping effect as described in claim 1, which is characterized in that the collecting box
(6) compression assembly is equipped in, the compression assembly includes compression plate (17) and at least two power units, the compression plate (17)
Vertical with transmission shaft (5), the inner wall of close access cover (2) side of the compression plate (17) and collecting box (6) is against the pressure
Gap is equipped between the inner wall of separate access cover (2) side of contracting plate (17) and collecting box (6), the power unit setting is being pressed
The side of the separate access cover (2) of contracting plate (17), the power unit and air inlet pipe (10) correspond, and the power unit drives
Compression plate (17) are moved along the axial movement of transmission shaft (5).
5. the good hand electric teaching aid of wiping effect as claimed in claim 4, which is characterized in that the compression plate
(17) side of close access cover (2) is equipped with rubber block (18), and the rubber block (18) is laid on compression plate (17).
6. the good hand electric teaching aid of wiping effect as claimed in claim 4, which is characterized in that the power motor
Including power rail (19), fixed block (20), electromagnet (21), spring (22) and through hole, the through hole is arranged in collecting box
(6) side of separate access cover (2), the power rail (19) is parallel with transmission shaft (5), and the power rail (19), which passes through, runs through
Hole, the power rail (19) slidingly and sealingly connect with through hole, and one end of the power rail (19) is fixed on compression plate (17)
On, the fixed block (20) is fixed on the other end of power rail (19), and the spring (22) is located at collecting box (6) and fixed block
(20) between, the fixed block (20) is connect by spring (22) with collecting box (6), and the electromagnet (21) is arranged in fixed block
(20) side of separate collecting box (6), the electromagnet (21) and fixed block (20) face are arranged, and the electromagnet (21) is solid
It is scheduled on the inner wall of main body (1), gap is equipped between the electromagnet (21) and fixed block (20), and gap is greater than compression plate
(17) distance, the making material of the fixed block (20) are between the inner wall of separate access cover (2) side of collecting box (6)
Iron.
7. the good hand electric teaching aid of wiping effect as claimed in claim 6, which is characterized in that the through hole
Stop-leak compound is coated on inner wall.
8. the good hand electric teaching aid of wiping effect as described in claim 1, which is characterized in that the driving motor
It (4) is servo motor.
9. the good hand electric teaching aid of wiping effect as described in claim 1, which is characterized in that the main body (1)
It is equipped with anti-skid chequer.
10. the good hand electric teaching aid of wiping effect as described in claim 1, which is characterized in that the transmission shaft
(5) it is equipped with anticorrosion galvanizing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910675323.3A CN110422000B (en) | 2019-07-25 | 2019-07-25 | Clean effectual electronic teaching aid of hand-held type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910675323.3A CN110422000B (en) | 2019-07-25 | 2019-07-25 | Clean effectual electronic teaching aid of hand-held type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110422000A true CN110422000A (en) | 2019-11-08 |
| CN110422000B CN110422000B (en) | 2021-08-13 |
Family
ID=68412375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910675323.3A Expired - Fee Related CN110422000B (en) | 2019-07-25 | 2019-07-25 | Clean effectual electronic teaching aid of hand-held type |
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| Country | Link |
|---|---|
| CN (1) | CN110422000B (en) |
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| CN104015530A (en) * | 2014-06-18 | 2014-09-03 | 华南农业大学 | Motor-driven dust-free chalk eraser |
| CN206201782U (en) * | 2016-08-06 | 2017-05-31 | 惠安县长智电子科技有限公司 | A kind of bidirectional rotary type electric blackboard eraser |
| CN107348897A (en) * | 2017-07-29 | 2017-11-17 | 扬州市大悦信息科技有限公司 | A kind of wood chip collection device |
| CN107415544A (en) * | 2017-05-23 | 2017-12-01 | 昌邑市创通电子科技有限公司 | One kind teaching special-purpose multifunctional blackboard eraser |
| CN207107538U (en) * | 2017-07-11 | 2018-03-16 | 李张翼 | A kind of dustbin with compression function |
| CN108103899A (en) * | 2017-12-27 | 2018-06-01 | 袁阔 | Build compaction apparatus in a kind of the cycling dust-protection type road surface of Electromagnetic Control |
| CN109795706A (en) * | 2019-01-15 | 2019-05-24 | 广州市欧伊若科技有限公司 | A kind of flight instruments for photography of taking photo by plane with dust reduction capability |
| CN208973656U (en) * | 2018-04-21 | 2019-06-14 | 深圳市横河新高机电有限公司 | A kind of novel portable dust catcher |
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| CN202288122U (en) * | 2011-09-13 | 2012-07-04 | 刘方旭 | Solar handheld miniature electric sweeping dust collector |
| CN104015530A (en) * | 2014-06-18 | 2014-09-03 | 华南农业大学 | Motor-driven dust-free chalk eraser |
| CN206201782U (en) * | 2016-08-06 | 2017-05-31 | 惠安县长智电子科技有限公司 | A kind of bidirectional rotary type electric blackboard eraser |
| CN107415544A (en) * | 2017-05-23 | 2017-12-01 | 昌邑市创通电子科技有限公司 | One kind teaching special-purpose multifunctional blackboard eraser |
| CN207107538U (en) * | 2017-07-11 | 2018-03-16 | 李张翼 | A kind of dustbin with compression function |
| CN107348897A (en) * | 2017-07-29 | 2017-11-17 | 扬州市大悦信息科技有限公司 | A kind of wood chip collection device |
| CN108103899A (en) * | 2017-12-27 | 2018-06-01 | 袁阔 | Build compaction apparatus in a kind of the cycling dust-protection type road surface of Electromagnetic Control |
| CN208973656U (en) * | 2018-04-21 | 2019-06-14 | 深圳市横河新高机电有限公司 | A kind of novel portable dust catcher |
| CN109795706A (en) * | 2019-01-15 | 2019-05-24 | 广州市欧伊若科技有限公司 | A kind of flight instruments for photography of taking photo by plane with dust reduction capability |
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|---|---|
| CN110422000B (en) | 2021-08-13 |
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