CN201761239U - Manual power generation type blackboard eraser - Google Patents
Manual power generation type blackboard eraser Download PDFInfo
- Publication number
- CN201761239U CN201761239U CN2010201087368U CN201020108736U CN201761239U CN 201761239 U CN201761239 U CN 201761239U CN 2010201087368 U CN2010201087368 U CN 2010201087368U CN 201020108736 U CN201020108736 U CN 201020108736U CN 201761239 U CN201761239 U CN 201761239U
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- blackboard eraser
- gear wheel
- support
- pinion
- dust
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- Expired - Fee Related
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Abstract
The utility model relates to a manual power generation type blackboard eraser which is a device used for erasing characters written with chalks by teachers in class. The device is powered by manual power generation, and chalk dust is absorbed while erasing the characters on the blackboard, thus achieving the effects of energy conservation and environmental protection. The blackboard eraser has succinct structure and convenience in operation, and overcomes the problems in energy and environment of the existing blackboard eraser. The whole device consists of eight major components such as a crank 1, a power generation mechanism 2, a blackboard eraser handle 3, a bracket 4, a dust clearing plate 5, an erasing and adsorbing mechanism 6, a switch 11, and a charging storage battery 12, wherein the power generation mechanism 2 is driven to generate electricity by the crank 1, so as to charge the charging storage battery 12, and the erasing and adsorbing mechanism 6 starts to work under the driving of current to erase the characters written with chalks and absorb the chalk dust splashing around. When the blackboard eraser is filled with the dust, the dust clearing plate 5 is pushed out to pour out the dust.
Description
Affiliated technical field
This utility model technology relates to a kind of blackboard eraser, exactly is a kind of electricity generated manually that passes through, and is the charge in batteries in the blackboard eraser, wipes letter written with chalk under the drive of motor, absorbs the blackboard eraser of chalk powder simultaneously.
Background technology
Present most of middle and primary schools, especially the middle and primary schools in rural area, or traditional teaching method, a blackboard, three chi dais are even if university is in the multimedia while of utilization, also is furnished with traditional blackboard, and existing blackboard eraser mainly contains two kinds, and a kind of is that traditional blackboard is wiped, and is manually-operated fully, chalk powder splashes when wiping, health to the operator in the time of contaminated environment also is a kind of injury, and another kind is an automatic blackboard eraser, and blackboard eraser drives by battery, absorb chalk powder when wiping, but the rechargeable battery that needs dry cell or charge on lighting circuit had both been wasted the energy, and was very inconvenient again.
Summary of the invention
The utility model purpose is the weak point that overcomes above existing blackboard eraser contaminated environment, wastes energy, and a kind of blackboard eraser that integrates generating, dust suction is provided.
In order to achieve the above object, the technical scheme that this product adopts is: make support 4 with plastic plate, support 4 is positioned at the integrally-built side of blackboard eraser, wipe and inhale the anterior center position that mechanism 6 is positioned at support 4, power facility 2 is positioned at the rear lower of support 4, the inside of blackboard eraser handle 3, crank 1 is installed in the back side outer lower portion of blackboard eraser handle 3, charging accumulator 12 is positioned at the upper rear portion of blackboard eraser handle 3, switch 10 is positioned at the top, side of blackboard eraser handle 3, and dust clear board 5 is positioned at the bottom of support 4.
The utility model has the advantages that: utilize and manually generate electricity,, under the drive of motor, wipe, absorb chalk powder, energy-saving and emission-reduction simultaneously for the charging accumulator charging of blackboard eraser inside.Cost is low, efficient is high, simple for structure, easy to operate.
Description of drawings
Fig. 1 is the total figure front view of blackboard eraser
Among the figure: 1. crank 2. power facilities 3. blackboard eraser handles 4. supports 5. dust clear boards 6. are wiped and are inhaled mechanism's 7. minor axises, 8. hairbrush, 9. impellers, 10. motors, 11. switches, 12. charging accumulators
Fig. 2 is the total figure right view of blackboard eraser
Among the figure: 13. speed increasing mechanisms, 14. leads, 1 15. leads, 2 16. transistors, 17. leads, 3 18. leads, 4 19. leads, 5 20. electromagnetic induction mechanism, 21. rear boards
Fig. 3 is the total figure left view of blackboard eraser
Wherein: 22. front panels
Fig. 4 is the speed increasing mechanism sketch
Among the figure: 23. pinions, 1 24. pinions, 2 25. gear wheels, 1 26. gear wheels 2
The specific embodiment:
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail:
The manual power generating type blackboard eraser is made up of crank 1, power facility 2, blackboard eraser handle 3, support 4, dust clear board 5, wiping suction mechanism 6, switch 11, charging accumulator 12 8 major parts.Support 4 is positioned at the integrally-built side of blackboard eraser.Power facility 2 (being made of speed increasing mechanism 13, electromagnetic induction mechanism 20) is positioned at the rear lower of support 4, the below, inside of blackboard eraser handle 3, and pinion 23 links to each other with electromagnetic induction structure 20.Blackboard eraser handle 3 links to each other with support 4, crank 1 links to each other with blackboard eraser handle 3, and is positioned at the bottom of blackboard eraser handle 3, wipes and inhales the inside that mechanism 6 is positioned at support 4, switch 11 is positioned at the top, side of blackboard eraser handle 3, and charging accumulator 12 is positioned at the back side upper inside of blackboard eraser handle 3.Dust clear board 5 is positioned at the bottom of support 4.
26S Proteasome Structure and Function to machine each several part assembly of devices is described below respectively below:
1. power facility 2 is positioned at the rear lower of support 4, the below, inside of blackboard eraser handle 3.Power facility 2 is made of speed increasing mechanism 13, electromagnetic induction mechanism 20.Pinion 23, pinion 24, gear wheel 25, gear wheel 26 central axis angles become 90 °, wherein, pinion 24 is connected as a single entity with gear wheel 25, dead in line, pinion 23 is 6: 1 with gear wheel 25, pinion 24 with the rotating ratio of gear wheel 26, improved the rotating speed of electromagnetic induction mechanism 20 inner magnetic induction loops greatly, effect is to send electric current, works to provide the energy.
2. wipe and inhale the inside that mechanism 6 is positioned at support 4, center position, its structure is made up of minor axis 7, hairbrush 8, impeller 9, motor 10.Motor 10 is positioned at the center of rear board 21, and minor axis 7 links to each other with the axle head of motor 10, and hairbrush 8, impeller 9 are positioned on the minor axis 7, and minor axis 7 passes the center of hairbrush 8, impeller 9, and impeller 9 is in the back of hairbrush 8, dead in line.Effect is to wipe letter written with chalk, absorbs dust.
3. the effect of handle 1 is to rotate gear wheel 26, by the connector of gear wheel 26 drive gear wheels 25 with pinion 24, drives pinion 23 again, finally drives power facility 2 generatings, and structure is Z-shaped.
4. dust clear board 5 is positioned at the bottom of support 4, and structurally there is the guide rail of symmetry both sides, and there is slideway at 4 relevant position places at support, and guide rail can be along the slideway dismounting, and effect is to open at any time, and the dust of blackboard eraser inside is removed.
5. transistor 16 is positioned in the middle of the lead 18, plays check valve.
Manual power generating type blackboard eraser each several part position is formed: support 4 is support components of whole blackboard eraser, inhale the inside that mechanism 6 is positioned at support 4 by the wiping that minor axis 7, hairbrush 8, impeller 9, motor 10 are formed, wherein, motor 10 is positioned at the center of rear board 21, minor axis 7 is installed on the projecting shaft of motor 10, and hairbrush 8, impeller 9 are installed on the minor axis 7, and hairbrush 8 is in the front of impeller 9, minor axis 7 passes hairbrush 8, impeller 9, and with the axis of hairbrush 8, impeller 9 on same straight line.Blackboard eraser handle 3 links to each other with support 4, is positioned at a side of support 4.Power facility 2 by electromagnetic induction structure 20, speed increasing mechanism 13 (being made of pinion 23, pinion 24, gear wheel 25, gear wheel 26) is positioned at blackboard eraser handle 3 inner belows, wherein, pinion 23, pinion 24, gear wheel 25, gear wheel 26 central axis angles become 90 °, and power facility 2 is power sources of this blackboard eraser.Switch 11 is positioned at the top, side of blackboard eraser handle 3, and charging accumulator 12 is positioned at the back side upper inside of blackboard eraser handle 3, and the back side that crank 1 is positioned at blackboard eraser handle 3 takes over.Dust clear board 5 is positioned at the bottom of support 4.
The course of work of manual power generating type blackboard eraser is as follows:
1. before erasing the board, by operator's hand rotation crank 1, crank 1 drives the speed increasing mechanism that is made of pinion 23, pinion 24, gear wheel 25, gear wheel 26, pinion 23 drives the magnetic induction loop of electromagnetism sense mechanism 20 inside, utilizing the electromagnetic induction principle generating, is charging accumulator 12 chargings by lead 18, lead 19, transistor 16.
2. when erasing the board, the operator opens switch 11, connect lead 14 and drive motor 10 work with lead 15, the axle head drive minor axis 7 of motor 10, hairbrush 8, impeller 9 rotate together, hairbrush 8 is used for wiping letter written with chalk, rotate the wind speed that produces by impeller 9, absorb the chalk powder that splashes by the hole on the front panel 22, plate 21 leaves air outlet in the back.
3. after having wiped blackboard, open the chalk powder that dust clear board 5 is poured out absorption, prepare to wipe next blackboard.
4. motor 10 is the 9V motor, and used charging accumulator 11 is a nickel-hydrogen battery, and being full of once the electric used time is 20-30 minute.
Claims (5)
1. manual power generating type blackboard eraser, entire equipment is by crank (1), power facility (2), blackboard eraser handle (3), support (4), dust clear board (5), wipe and inhale mechanism (6), switch (11), charging accumulator (12) eight most of compositions, it is characterized in that: support (4) is positioned at the integrally-built side of blackboard eraser, wipe and inhale the anterior center position that mechanism (6) is positioned at support (4), power facility (2) is positioned at the rear lower of support (4), the inside of blackboard eraser handle (3), crank (1) is installed in the back side outer lower portion of blackboard eraser handle (3), charging accumulator (12) is positioned at the upper rear portion of blackboard eraser handle (3), switch (10) is positioned at the top, side of blackboard eraser handle (3), and dust clear board (5) is positioned at the bottom of support (4).
2. manual power generating type blackboard eraser according to claim 1 is characterized in that: power facility (2) is by the electromagnetic induction structure
(20) constitute with speed increasing mechanism (13), speed increasing mechanism (13) is made of pinion (23), pinion (24), gear wheel (25), gear wheel (26), pinion (24) is positioned at gear wheel (25) back, dead in line, connect as one, pinion (23), pinion (24), gear wheel (25), gear wheel (26) central axis angle become 90 °, and pinion (23) is 6: 1 with gear wheel (25), pinion (24) with the rotating ratio of gear wheel (26).
3. manual hairdo electricity blackboard eraser according to claim 1, it is characterized in that: wipe and inhale the inside that mechanism (6) is positioned at support (4), its structure is made up of minor axis (7), hairbrush (8), impeller (9), motor (10), motor (10) is positioned at the center of rear board (21), minor axis (7) is positioned at the projecting shaft of motor (10), hairbrush (8), impeller (9) are positioned on the minor axis (7), and impeller (9) is in the back of hairbrush (8), dead in line.
4. manual power generating type blackboard eraser according to claim 1 is characterized in that: the linking to each other with gear wheel (26) of crank (1), it is Z-shaped that structure is.
5. manual power generating type blackboard eraser according to claim 1 is characterized in that: dust clear board (5) is positioned at the bottom of support (4), and there is the guide rail of symmetry both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201087368U CN201761239U (en) | 2010-02-05 | 2010-02-05 | Manual power generation type blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201087368U CN201761239U (en) | 2010-02-05 | 2010-02-05 | Manual power generation type blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201761239U true CN201761239U (en) | 2011-03-16 |
Family
ID=43713845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201087368U Expired - Fee Related CN201761239U (en) | 2010-02-05 | 2010-02-05 | Manual power generation type blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201761239U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390203A (en) * | 2011-09-23 | 2012-03-28 | 山东理工大学 | Automatic charging dust-collection blackboard eraser |
| CN102689555A (en) * | 2012-06-18 | 2012-09-26 | 南京工业职业技术学院 | Electrostatic dust-removing blackboard eraser |
| CN107668879A (en) * | 2017-11-21 | 2018-02-09 | 广东永衡良品科技有限公司 | It is a kind of to exempt from luggage case of the battery with function of weighing |
-
2010
- 2010-02-05 CN CN2010201087368U patent/CN201761239U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390203A (en) * | 2011-09-23 | 2012-03-28 | 山东理工大学 | Automatic charging dust-collection blackboard eraser |
| CN102689555A (en) * | 2012-06-18 | 2012-09-26 | 南京工业职业技术学院 | Electrostatic dust-removing blackboard eraser |
| CN107668879A (en) * | 2017-11-21 | 2018-02-09 | 广东永衡良品科技有限公司 | It is a kind of to exempt from luggage case of the battery with function of weighing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20120205 |