CN206201782U - A kind of bidirectional rotary type electric blackboard eraser - Google Patents
A kind of bidirectional rotary type electric blackboard eraser Download PDFInfo
- Publication number
- CN206201782U CN206201782U CN201620852540.7U CN201620852540U CN206201782U CN 206201782 U CN206201782 U CN 206201782U CN 201620852540 U CN201620852540 U CN 201620852540U CN 206201782 U CN206201782 U CN 206201782U
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- board
- brush board
- power transmission
- fixed
- motor
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Abstract
The utility model discloses a kind of bidirectional rotary type electric blackboard eraser, including wiping board, motor is fixed with the wiping board, the motor is provided with decelerator, the decelerator is provided with main shaft, drive gear is fixed with the main shaft, two power transmission shafts are additionally provided with the wiping board of the main shaft left and right sides, travelling gear is fixed with the power transmission shaft, the bottom of the main shaft is fixed with the first brush board, the bottom of the power transmission shaft is fixed with the second brush board, bristle is equipped with the bottom surface of first brush board and the second brush board, handle is fixed with the top of the motor, battery is provided with the handle, the motor is provided with shift knob, the motor, shift knob and battery are in series.The utility model obtain beneficial effect be:(1) simple structure;(2) effect can be wiped good preferably by blackboard eraser except clean.
Description
Technical field
The utility model is related to a kind of teaching aid, particularly a kind of blackboard eraser.
Background technology
Current existing blackboard eraser, it is main to include wiping board and the bristle being arranged on wiping board bottom surface, when specifically used
Wait, bristle is abutted in the plate face of blackboard, then firmly press the continuous mobile blackboard eraser of blackboard eraser, you can will be black by bristle
Word on plate is wiped, but existing blackboard eraser, its bristle can not automatically move or rotate, thus erase the board when
Wait, manpower movement blackboard eraser can only be leaned on to move, so, it is relatively elaborate when erasing blackboard, and efficiency of erasing is low.
In addition, existing blackboard eraser is during erasing the board, the chalk powder for wiping can be caused to fly around, and this
After a little chalk powders are absorbed by the body, then health can be caused damage, thus existing blackboard eraser barrier propterty is not good.
Additionally, in order to reduce the labour intensity for erasing the board, people also invented electric blackboard eraser, existing driven blackboard
Wipe, including motor and main shaft, wiping board is fixed with main shaft, the bottom surface of wiping board is provided with bristle, when erasing the board, bristle is pasted
Lean against on blackboard, then start motor, main shaft will drive wiping board and bristle to rotate, using the bristle of rotation by blackboard eraser except dry
Only, but existing electric blackboard eraser, due to only one of which wiping board, thus wiping board it is different with bristle simultaneously along clockwise direction and
Rotate in an anti-clockwise direction, although reducing labour intensity, the erasing effect on driving birds is not good of blackboard.
The content of the invention
Problem to be solved in the utility model is:There is provided a kind of simple structure, can reduce labour intensity, security performance it is high and
The good bidirectional rotary type electric blackboard eraser of erasing effect.
In order to solve the above problems, bidirectional rotary type electric blackboard eraser of the present utility model, including wiping board, on the wiping board
Motor is fixed with, the motor is provided with decelerator, and the decelerator is provided with main shaft, sliding tooth is fixed with the main shaft
Wheel, is additionally provided with two power transmission shafts on the wiping board of the main shaft left and right sides, travelling gear, the master are fixed with the power transmission shaft
The bottom of axle is fixed with the first brush board, and the bottom of the power transmission shaft is fixed with the second brush board, first brush board and the second brush board
Bottom surface on be equipped with bristle, handle is fixed with the top of the motor, battery is provided with the handle, the motor is provided with
Shift knob, the motor, shift knob and battery are in series.
In order to improve the security performance of whole blackboard eraser, bidirectional rotary type electric blackboard eraser of the present utility model, the drive
The outside of moving gear and travelling gear is coated with containment vessel, and the containment vessel is made up of transparent plastic.
Chalk powder for the ease of being produced during erasing the board is collected, it is to avoid the diffusion of powder end, the utility model
Bidirectional rotary type electric blackboard eraser, the outside of first brush board and the second brush board is socketed with one and is made up of elastomeric material
Telescopic cover, the bottom of the telescopic cover is provided with a chalk powder guiding gutter.
In order that power transmission shaft can be rotated smoothly, bidirectional rotary type electric blackboard eraser of the present utility model, on the wiping board
Be provided with two supports, two power transmission shafts are inserted in two supports respectively, between the power transmission shaft and wiping board and power transmission shaft with
Rolling bearing is equipped between support.
For the ease of changing brush board and bristle, bidirectional rotary type electric blackboard eraser of the present utility model, the main shaft and biography
Dynamic the tip of the axis is equipped with a socket, and the top of first brush board and the second brush board is respectively and fixedly provided with a plug, described to insert
Head is inserted in socket and matches with socket.
In order to be able to firm grasp handle, bidirectional rotary type electric blackboard eraser of the present utility model, the outer wall of the handle
It is provided with the decorative pattern of increase friction.
The utility model obtain beneficial effect be:(1) simple structure;(2) when specifically erasing the board, first by first
Bristle on brush board and the second brush board is abutted on blackboard panel, then presses shift knob, and motor will start, electric motor starting
Afterwards, slow down by decelerator, main shaft begins to rotate, and main shaft will drive the first brush board and driving during rotation
Pinion rotation, and drive gear then with nutating gear and drive axis, then can drive the while rotating by power transmission shaft
Two brush boards are rotated, so, during erasing the board, the first brush board and the second brush board rotate simultaneously, and the first brush board and second
The direction of rotation of brush board conversely, thus, during erasing the board, the bristle edge on bristle and the second brush board on the first brush board
Opposite direction rotates, and clockwise friction and anticlockwise friction can be carried out to the word on blackboard, so that more
Good removes clean by blackboard eraser, and erasing effect is good;(3) outside of drive gear and travelling gear is coated with containment vessel, thus peace
Full performance is high;The outside of (4) first brush boards and the second brush board is socketed with a telescopic cover being made up of elastomeric material, thus can be by
The chalk powder produced during erasing the board is collected in telescopic cover, it is to avoid the diffusion of powder end, the bottom of telescopic cover is provided with a powder
The last guiding gutter of pen, is easy to make collected chalk powder be flowed out from chalk powder guiding gutter;(5) wiping board is provided with two supports,
Two power transmission shafts are inserted in two supports respectively, and rotation is equipped between power transmission shaft and wiping board and between power transmission shaft and support
Bearing, thus can ensure that power transmission shaft is smoothly rotated;(6) main shaft and transmission the tip of the axis are equipped with a socket, the first brush board
A plug is respectively and fixedly provided with the top of the second brush board, plug is inserted in socket and matches with socket, thus when the first brush
When bristle wear on plate and the second brush board is serious, it is easy to be changed the first brush board and the second brush board;(7) handle
Outer wall is provided with the decorative pattern of increase friction, is easy to handle of holding with a firm grip.
Brief description of the drawings
Fig. 1 is front view of the present utility model.
Fig. 2 is upward view of the present utility model.
In figure:1st, handle, 2, battery, 3, motor, 4, decelerator, 5, shift knob, 6, rolling bearing 7, power transmission shaft, 8, branch
Frame, 9, wiping board, 10, telescopic cover, 11, bristle, the 12, second brush board, 13, containment vessel, the 14, first brush board, 15, drive gear, 16,
Main shaft, 17, travelling gear, 18, plug, 19, socket, 20, chalk powder guiding gutter.
Specific embodiment
As depicted in figs. 1 and 2, bidirectional rotary type electric blackboard eraser of the present utility model, including wiping board 9, on the wiping board 9
Motor 3 is fixed with, the motor 3 is provided with decelerator 4, and the decelerator 4 is provided with main shaft 16, is fixed with the main shaft 16
Drive gear 15, is additionally provided with two power transmission shafts 7 on the wiping board 9 of the left and right sides of the main shaft 16, biography is fixed with the power transmission shaft 7
Moving gear 17, the bottom of the main shaft 16 is fixed with the first brush board 14, and the bottom of the power transmission shaft 7 is fixed with the second brush board 12,
Bristle 11 is equipped with the bottom surface of the brush board 12 of first brush board 14 and second, the top of the motor 3 is fixed with handle 1, institute
State in handle 1 and be provided with battery 2, the motor 3 is provided with shift knob 5, and the motor 3, shift knob 5 and battery 2 are in series;
The outside of the drive gear 15 and travelling gear 17 is coated with containment vessel 13, and the containment vessel 13 is made up of transparent plastic;Institute
The outside for stating the first brush board 14 and the second brush board 12 is socketed with a telescopic cover 10 being made up of elastomeric material, the telescopic cover 10
Bottom be provided with a chalk powder guiding gutter 20;The wiping board 9 is provided with two supports 8, and two power transmission shafts 7 are inserted in two respectively
In individual support 8, rolling bearing 6 is equipped between the power transmission shaft 7 and wiping board 9 and between power transmission shaft 7 and support 8;The master
The end of axle 16 and power transmission shaft 7 is equipped with a socket 19, and the top of the brush board 12 of first brush board 14 and second is respectively and fixedly provided with
One plug 18, the plug 18 is inserted in socket 19 and matches with socket 19;The outer wall of the handle 1 is provided with increase
The decorative pattern of friction.
Bidirectional rotary type electric blackboard eraser of the present utility model, simple structure, when specifically erasing the board, first by first
Bristle 11 on the brush board 12 of brush board 14 and second is abutted on blackboard panel, then presses shift knob 5, and motor 3 will start,
After motor 3 starts, slow down by decelerator 4, main shaft 16 begins to rotate, and main shaft 16 will drive during rotation
First brush board 14 and drive gear 15 are rotated, and drive gear 15 with nutating gear 17 and can then be driven while rotating
Axle 7 is rotated, then drives the second brush board 12 to rotate by power transmission shaft 7, so, during erasing the board, the first brush board 14 and second
Brush board 12 simultaneously rotate, and the first brush board 14 and the second brush board 12 direction of rotation conversely, thus, during erasing the board,
Bristle 11 on first brush board 14 is rotated in opposite direction with the bristle 11 on the second brush board 12, and the word on blackboard can be entered
The clockwise friction of row and anticlockwise friction, so as to blackboard eraser preferably is removed into clean, erasing effect is good.
The outside of bidirectional rotary type electric blackboard eraser of the present utility model, drive gear 15 and travelling gear 17 is coated with guarantor
Protective case 13, thus security performance is high.
The outside of the first brush board 14 and the second brush board 12 is socketed with a telescopic cover 10 being made up of elastomeric material, thus energy
The chalk powder produced during erasing the board is collected in telescopic cover 10, it is to avoid the diffusion of powder end, the bottom of telescopic cover 10 is provided with
One chalk powder guiding gutter 20, is easy to make collected chalk powder be flowed out from chalk powder guiding gutter 20.
Wiping board 9 is provided with two supports 8, and two power transmission shafts 7 are inserted in two supports 8 respectively, power transmission shaft 7 and wiping board 9
Between and power transmission shaft 7 and support 8 between be equipped with rolling bearing 6, thus can ensure that power transmission shaft 7 is smoothly rotated.
The end of main shaft 16 and power transmission shaft 7 is equipped with a socket 19, and the top of the first brush board 14 and the second brush board 12 is equal
A plug 18 is fixed with, plug 18 is inserted in socket 19 and matches with socket 19, thus when the first brush board 14 and second
When 11 serious wear of bristle on brush board 12, it is easy to be changed the first brush board 14 and the second brush board 12.
The outer wall of handle 1 is provided with the decorative pattern of increase friction, is easy to handle 1 of holding with a firm grip.
Claims (5)
1. a kind of bidirectional rotary type electric blackboard eraser, it is characterised in that:Including wiping board (9), motor is fixed with the wiping board (9)
(3), the motor (3) is provided with decelerator (4), and the decelerator (4) is provided with main shaft (16), fixed on the main shaft (16)
There is drive gear (15), two power transmission shafts (7), the power transmission shaft are additionally provided with the wiping board (9) of main shaft (16) left and right sides
(7) travelling gear (17) is fixed with, the bottom of the main shaft (16) is fixed with the first brush board (14), the power transmission shaft (7)
Bottom is fixed with the second brush board (12), and bristle (11) is equipped with the bottom surface of first brush board (14) and the second brush board (12),
It is fixed with the top of the motor (3) in handle (1), the handle (1) and is provided with battery (2), the motor (3) is provided with switch
Button (5), the motor (3), shift knob (5) and battery (2) are in series;First brush board (14) and the second brush board (12)
Outside be socketed with a telescopic cover being made up of elastomeric material (10), the bottom of the telescopic cover (10) is provided with a chalk powder
Guiding gutter (20).
2. bidirectional rotary type electric blackboard eraser according to claim 1, it is characterised in that:The drive gear (15) and biography
The outside of moving gear (17) is coated with containment vessel (13), and the containment vessel (13) is made up of transparent plastic.
3. bidirectional rotary type electric blackboard eraser according to claim 1, it is characterised in that:The wiping board (9) is provided with two
Individual support (8), two power transmission shafts (7) are inserted in two supports (8) respectively, between the power transmission shaft (7) and wiping board (9) and
Rolling bearing (6) is equipped between power transmission shaft (7) and support (8).
4. bidirectional rotary type electric blackboard eraser according to claim 1, it is characterised in that:The main shaft (16) and power transmission shaft
(7) end is equipped with a socket (19), and the top of first brush board (14) and the second brush board (12) is respectively and fixedly provided with one
Plug (18), the plug (18) is inserted in socket (19) and matches with socket (19).
5. bidirectional rotary type electric blackboard eraser according to claim 1, it is characterised in that:On the outer wall of the handle (1)
It is provided with the decorative pattern of increase friction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620852540.7U CN206201782U (en) | 2016-08-06 | 2016-08-06 | A kind of bidirectional rotary type electric blackboard eraser |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620852540.7U CN206201782U (en) | 2016-08-06 | 2016-08-06 | A kind of bidirectional rotary type electric blackboard eraser |
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Publication Number | Publication Date |
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CN206201782U true CN206201782U (en) | 2017-05-31 |
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ID=58755365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201620852540.7U Expired - Fee Related CN206201782U (en) | 2016-08-06 | 2016-08-06 | A kind of bidirectional rotary type electric blackboard eraser |
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CN (1) | CN206201782U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108836179A (en) * | 2018-06-28 | 2018-11-20 | 江明思 | It is a kind of to brush the household screen window decontamination apparatus that combination is absorbed with negative pressure based on suitable inverse circumference |
CN109077680A (en) * | 2018-07-19 | 2018-12-25 | 何娟娟 | A kind of house dry type anti-gray furred ceiling bottom dust cleaning plant |
CN110422000A (en) * | 2019-07-25 | 2019-11-08 | 广小芳 | A kind of hand electric teaching aid that wiping effect is good |
CN111186234A (en) * | 2020-01-09 | 2020-05-22 | 南京中视联教育科学技术研究中心 | Adjustable blackboard eraser is used in teaching |
-
2016
- 2016-08-06 CN CN201620852540.7U patent/CN206201782U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108836179A (en) * | 2018-06-28 | 2018-11-20 | 江明思 | It is a kind of to brush the household screen window decontamination apparatus that combination is absorbed with negative pressure based on suitable inverse circumference |
CN109077680A (en) * | 2018-07-19 | 2018-12-25 | 何娟娟 | A kind of house dry type anti-gray furred ceiling bottom dust cleaning plant |
CN109077680B (en) * | 2018-07-19 | 2020-12-08 | 上海匠夯建筑装饰工程有限公司 | Household dry type dust-proof ceiling bottom dust cleaning device |
CN110422000A (en) * | 2019-07-25 | 2019-11-08 | 广小芳 | A kind of hand electric teaching aid that wiping effect is good |
CN110422000B (en) * | 2019-07-25 | 2021-08-13 | 杨陈澄 | Clean effectual electronic teaching aid of hand-held type |
CN111186234A (en) * | 2020-01-09 | 2020-05-22 | 南京中视联教育科学技术研究中心 | Adjustable blackboard eraser is used in teaching |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20180806 |