CN106739698A - A kind of Accounting Course multi-functional blackboard Quick cleaning device - Google Patents

A kind of Accounting Course multi-functional blackboard Quick cleaning device Download PDF

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Publication number
CN106739698A
CN106739698A CN201710067625.3A CN201710067625A CN106739698A CN 106739698 A CN106739698 A CN 106739698A CN 201710067625 A CN201710067625 A CN 201710067625A CN 106739698 A CN106739698 A CN 106739698A
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China
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motor
cleaning
rod
blackboard
screw mandrel
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CN201710067625.3A
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Chinese (zh)
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CN106739698B (en
Inventor
叶潇
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叶潇
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00Blackboard or slate cleaning devices

Abstract

The present invention relates to a kind of blackboard cleaning device, more particularly to a kind of Accounting Course multi-functional blackboard Quick cleaning device.The technical problem to be solved in the present invention is to provide that a kind of labour intensity is small, cleaning thoroughly, high working efficiency, easy dry Accounting Course multi-functional blackboard Quick cleaning device after cleaning.In order to solve the above-mentioned technical problem, the invention provides such a Accounting Course multi-functional blackboard Quick cleaning device, the first screw mandrel, the first right axle bearing, first support, blackboard, the second screw mandrel, the second right axle bearing, second support, cleaning device, electric pushrod etc. are included;Blackboard bottom is provided with first support.Invention achieves labour intensity is small, cleaning thoroughly, high working efficiency, easy dry effect after cleaning, blackboard Rapid Cleaning is clean, and the writing on blackboard is more attractive in appearance, improves efficiency of teaching.

Description

A kind of Accounting Course multi-functional blackboard Quick cleaning device
Technical field
Filled with multi-functional blackboard Rapid Cleaning the present invention relates to a kind of blackboard cleaning device, more particularly to a kind of Accounting Course Put.
Background technology
Blackboard not refers in particular to the plate face of black, said in traditional sense it be one can be with the plane of repeated writing, plate face is hard Firmly, it is used for teaching.It is made of plank or ground glass etc., can be write above with the specific writing material such as chalk. Mostly black, blackish green, white or ecru.
There is presently no special blackboard cleaning device, present blackboard cleaning method has that labour intensity is big, cleaning not Thoroughly, be difficult to dry shortcoming after inefficiency, cleaning, thus need that a kind of labour intensity of research and development is small badly, cleaning thoroughly, work Easy dry Accounting Course multi-functional blackboard Quick cleaning device after efficiency high, cleaning.
The content of the invention
(1)The technical problem to be solved
The present invention is in order to overcome that present blackboard cleaning method labour intensity is big, cleaning not thoroughly, it is inefficiency, difficult after cleaning With dry shortcoming, the technical problem to be solved in the present invention be to provide a kind of labour intensity it is small, cleaning thoroughly, high working efficiency, Easy dry Accounting Course multi-functional blackboard Quick cleaning device after cleaning.
(2)Technical scheme
In order to solve the above-mentioned technical problem, filled with multi-functional blackboard Rapid Cleaning the invention provides such a Accounting Course Put, include the first screw mandrel, the first right axle bearing, first support, blackboard, the second screw mandrel, the second right axle bearing, second support, Cleaning device, electric pushrod, the first nut, the first left shaft holder, big belt pulley, flat belt, small belt pulley, contiguous block, rag, First fixed plate, the second nut, shower nozzle, flexible pipe, the second left shaft holder, sliding block, head rod, the second connecting rod, the first electricity Machine, elevating lever, the 3rd connecting rod, cross bar, water tank, first place plate, the second motor, slide rail, water pump, the 3rd motor, circular shaft Bearing, rotating shaft, brush, the second fixed plate, the 4th connecting rod, bull stick, rotating disk and the 5th connecting rod, blackboard bottom is provided with first Frame, first support front side is sequentially provided with the second motor, the second left shaft holder and the first right axle bearing, the second left bearing from left to right The first screw mandrel, the first screw mandrel left end and the second motor connection are provided between seat and the first right axle bearing, the first screw mandrel is provided with the Two nuts, the second nut and the first screw mandrel coordinate, and the second nut front side is provided with cross bar, and cross bar front end is provided with slide rail, slide rail left side Rotary type is connected with head rod, and head rod lower end rotary type is connected with the second connecting rod, and slide rail front side is provided with sliding block, Sliding block is provided with elevating lever, and elevating lever lower end front side is provided with the first motor, and the first motor and the second connecting rod lower end rotary type connect Connect, elevating lever upper end is provided with contiguous block, the second nut bottom is provided with the 3rd connecting rod, and the 3rd connecting rod lower end is provided with the first placement Plate, the first placement plate is provided with water tank, and water tank inner bottom part is provided with water pump, and water pump is provided with flexible pipe, and contiguous block rear side is provided with electronic Push rod, electric pushrod rear end is connected with cleaning device, cleaning device include the 3rd motor, circular shaft bearing, rotating shaft, brush, Second fixed plate, the 4th connecting rod, bull stick, rotating disk and the 5th connecting rod, the 3rd motor rear side are connected with rotating shaft, after the 3rd motor Side is provided with circular shaft bearing, and rotating shaft passes through circular shaft bearing, and rotating shaft rear end is provided with the 5th connecting rod, and the 5th connecting rod lower end is provided with Rotating disk, rotating disk rear side is provided with bull stick, and bull stick rear end is provided with the 4th connecting rod, and the 4th connecting rod upper end is provided with brush, round bearing Seat rear is provided with the second fixed plate, and brush passes through the second fixed plate, and cleaning device bottom is provided with shower nozzle, and shower nozzle and flexible pipe upper end connect Connect, blackboard top is provided with second support, second support front side is sequentially provided with big belt pulley, the first left shaft holder and the from left to right Two right axle bearings, are wound with flat belt between big belt pulley and small belt pulley, set between the first left shaft holder and the second right axle bearing There is the second screw mandrel, the second screw mandrel left end and big belt pulley are connected, and the second screw mandrel is provided with the first nut, and the first nut bottom is provided with First fixed plate, the first fixed plate rear side is provided with rag.
Preferably, fan is also included, contiguous block top is provided with fan.
Preferably, the second placement plate and pole are also included, the first placement plate bottom is provided with pole, pole lower end is provided with the Two place plate.
Preferably, the first placement plate and the second placement plate are provided with mop putting hole.
Preferably, the first motor, the second motor and the 3rd motor are servomotor.
Preferably, the material of elevating lever is Q235 steel.
Preferably, the thickness of first support and second support is 3cm.
Operation principle:When cleaning blackboard is needed, start electric pushrod, electric pushrod elongation, when cleaning device contacts black During plate, electric pushrod stops elongation, starts water pump, and the water in water tank reaches shower nozzle by flexible pipe, and shower nozzle is opened toward water spray on blackboard Dynamic 3rd motor, the 3rd motor drives axis of rotation, and rotating shaft drives rotating disk to rotate, so that drive brush to rotate and scrub blackboard, Start the first motor, the first motor drives the second connecting rod to rotate, and sliding block moves up and down on slide rail, so as to drive on elevating lever Lower motion, cleaning device moves up and down and cleans blackboard, starts the second motor, and the second motor drives the first screw mandrel to rotate, and second Nut moves right on the first screw mandrel, and cleaning device moves right, and the second motor drives small belt pulley to rotate, and small belt pulley leads to Crossing flat belt drives big belt pulley to rotate, and big belt pulley drives the second screw mandrel to rotate, and the first nut moves right on the second screw mandrel Dynamic, rag moves right, and rag movement velocity is slower than cleaning device, and rag blots only, when clear water on blackboard after cleaning Cleaning device reaches the right-hand member of blackboard, and when blackboard is all cleaned up, the first motor, the second motor, the 3rd motor and water pump It is stopped, starts electric pushrod and retract.Start the rotation of the second motor, the second motor drives the first screw mandrel to rotate, the second nut It is moved to the left on the first screw mandrel, cleaning device is moved to the left, the second motor drives small belt pulley to rotate, and small belt pulley is by flat Belt drive big belt pulley is rotated, and big belt pulley drives the second screw mandrel to rotate, and the first nut is moved to the left on the second screw mandrel, smears Cloth is moved to the left, and rag is wiped to blackboard again, and when cleaning device and rag reset, the second motor is stopped.
Because also including fan, contiguous block top is provided with fan, at the end of cleaning, starts fan, fan To on blackboard, after blackboard is dried, fan is stopped, so as to accelerate the dry speed of blackboard for wind.
Because also including the second placement plate and pole, the first placement plate bottom is provided with pole, and pole lower end is provided with second Plate is placed, to be placed and can place a small amount of article on plate, such as:Rag.
Because the first placement plate and the second placement plate are provided with mop putting hole, mop can be poured into mop putting hole It is interior, increase the wind area of mop, accelerate the dry speed of mop.
Because the first motor, the second motor and the 3rd motor are servomotor, servomotor can accurately control rotating speed, So as to freely control the speed of cleaning blackboard.
Because the material of elevating lever is Q235 steel, Q235 steel is difficult to get rusty, and extends the service life of elevating lever.
Because the thickness of first support and second support is 3cm, first support and second support are solid, make the present apparatus more Stabilization.
(3)Beneficial effect
Invention achieves labour intensity is small, cleaning thoroughly, high working efficiency, easy dry effect after cleaning, blackboard is quick Clean up, the writing on blackboard is more attractive in appearance, improves efficiency of teaching.
Brief description of the drawings
Fig. 1 is the first main structure diagram of the invention.
Fig. 2 is the main structure diagram of water tank of the present invention.
Fig. 3 is the left view structural representation of cleaning device of the present invention.
Fig. 4 is second main structure diagram of the invention.
Fig. 5 is the third main structure diagram of the invention.
Fig. 6 is the 4th kind of main structure diagram of the invention.
Mark in accompanying drawing for:The screw mandrels of 1- first, 2- the first right axle bearings, 3- first supports, 4- blackboards, 5- second Bar, 6- the second right axle bearings, 7- second supports, 8- cleaning devices, 9- electric pushrods, the nuts of 10- first, the left bearings of 11- first Seat, 12- big belt pulleys, 13- flat belts, 14- small belt pulleys, 15- contiguous blocks, 16- rags, the fixed plates of 17- first, 18- second Nut, 19- shower nozzles, 20- flexible pipes, the left shaft holders of 21- second, 22- sliding blocks, 23- head rods, the connecting rods of 24- second, 25- First motor, 26- elevating levers, the connecting rods of 27- the 3rd, 28- cross bars, 29- water tanks, the placement plates of 30- first, the motors of 31- second, 32- slide rails, 33- water pumps, the motors of 801- the 3rd, 802- circular shaft bearings, 803- rotating shafts, 804- brushes, the fixed plates of 805- second, The connecting rods of 806- the 4th, 807- bull sticks, 808- rotating disks, the connecting rods of 809- the 5th, 34- fans, 35- second places plate, 36- branch Bar, 37- mop putting holes.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
A kind of Accounting Course multi-functional blackboard Quick cleaning device, as shown in figures 1 to 6, includes the first screw mandrel 1, the first right axle Bearing 2, first support 3, blackboard 4, the second screw mandrel 5, the second right axle bearing 6, second support 7, cleaning device 8, electric pushrod 9, First nut 10, the first left shaft holder 11, big belt pulley 12, flat belt 13, small belt pulley 14, contiguous block 15, rag 16, first Fixed plate 17, the second nut 18, shower nozzle 19, flexible pipe 20, the second left shaft holder 21, sliding block 22, head rod 23, second are connected Bar 24, the first motor 25, elevating lever 26, the 3rd connecting rod 27, cross bar 28, water tank 29, first place plate 30, the second motor 31, Slide rail 32, water pump 33, the 3rd motor 801, circular shaft bearing 802, rotating shaft 803, brush 804, the second fixed plate the 805, the 4th connect Extension bar 806, bull stick 807, the connecting rod 809 of rotating disk 808 and the 5th, the bottom of blackboard 4 are provided with first support 3, the front side of first support 3 from Left-to-right is sequentially provided with the second motor 31, the second left shaft holder 21 and the first right axle bearing 2, and the second left shaft holder 21 and first is right The first screw mandrel 1 is provided between bearing block 2, the left end of the first screw mandrel 1 and the second motor 31 are connected, and the first screw mandrel 1 is provided with the second spiral shell Female 18, the second nut 18 and the first screw mandrel 1 coordinate, and the front side of the second nut 18 is provided with cross bar 28, and the front end of cross bar 28 is provided with slide rail 32, The left pivot movement formula of slide rail 32 is connected with head rod 23, and the lower end rotary type of head rod 23 is connected with the second connecting rod 24, The front side of slide rail 32 is provided with sliding block 22, and sliding block 22 is provided with elevating lever 26, and the lower end of elevating lever 26 front side is provided with the first motor 25, first The lower end rotary type connection of 25 and second connecting rod of motor 24, the upper end of elevating lever 26 is provided with contiguous block 15, and the bottom of the second nut 18 sets There is the 3rd connecting rod 27, the lower end of the 3rd connecting rod 27 is provided with the first placement plate 30, and the first placement plate 30 is provided with water tank 29, water tank 29 inner bottom parts are provided with water pump 33, and water pump 33 is provided with flexible pipe 20, and the rear side of contiguous block 15 is provided with electric pushrod 9, the rear end of electric pushrod 9 Cleaning device 8 is connected with, cleaning device 8 includes the 3rd motor 801, circular shaft bearing 802, rotating shaft 803, brush 804, second Fixed plate 805, the 4th connecting rod 806, bull stick 807, the connecting rod 809 of rotating disk 808 and the 5th, the rear side of the 3rd motor 801 are connected with Rotating shaft 803, the rear of the 3rd motor 801 is provided with circular shaft bearing 802, and rotating shaft 803 passes through circular shaft bearing 802, the rear end of rotating shaft 803 The 5th connecting rod 809 is provided with, the lower end of the 5th connecting rod 809 is provided with rotating disk 808, and the rear side of rotating disk 808 is provided with bull stick 807, bull stick 807 Rear end is provided with the 4th connecting rod 806, and the upper end of the 4th connecting rod 806 is provided with brush 804, and the rear of circular shaft bearing 802 is provided with second Fixed plate 805, brush 804 passes through the second fixed plate 805, and the bottom of cleaning device 8 is provided with shower nozzle 19, shower nozzle 19 and the upper end of flexible pipe 20 Connection, the top of blackboard 4 is provided with second support 7, and the front side of second support 7 is sequentially provided with big belt pulley 12, the first left axle from left to right The right axle bearing 6 of bearing 11 and second, is wound with flat belt 13, the He of the first left shaft holder 11 between big belt pulley 12 and small belt pulley 14 The second screw mandrel 5 is provided between second right axle bearing 6, the left end of the second screw mandrel 5 and big belt pulley 12 are connected, and the second screw mandrel 5 is provided with First nut 10, the bottom of the first nut 10 is provided with the first fixed plate 17, and the rear side of the first fixed plate 17 is provided with rag 16.
Fan 34 is also included, the top of contiguous block 15 is provided with fan 34.
The second placement plate 35 and pole 36 are also included, the first placement plate 30 bottom is provided with pole 36, and the lower end of pole 36 sets There is the second placement plate 35.
First placement plate 30 and second places plate 35 and is provided with mop putting hole 37.
First motor 25, the second motor 31 and the 3rd motor 801 are servomotor.
The material of elevating lever 26 is Q235 steel.
The thickness of first support 3 and second support 7 is 3cm.
Operation principle:When cleaning blackboard 4 is needed, start electric pushrod 9, electric pushrod 9 extends, when cleaning device 8 connects When touching blackboard 4, electric pushrod 9 stops elongation, starts water pump 33, and the water in water tank 29 reaches shower nozzle 19, shower nozzle by flexible pipe 20 19 toward water spray on blackboard 4, starts the 3rd motor 801, and the 3rd motor 801 drives rotating shaft 803 to rotate, and rotating shaft 803 drives rotating disk 808 Rotate, so as to drive brush 804 to rotate and scrub blackboard 4, start the first motor 25, the first motor 25 drives the second connecting rod 24 Rotate, sliding block 22 moves up and down on slide rail 32, so as to drive elevating lever 26 to move up and down, cleaning device 8 moves up and down and clear Wash blackboard 4, start the second motor 31, the second motor 31 drives the first screw mandrel 1 to rotate, the second nut 18 on the first screw mandrel 1 to Move right, cleaning device 8 moves right, the second motor 31 drives small belt pulley 14 to rotate, and small belt pulley 14 passes through flat belt 13 Big belt pulley 12 is driven to rotate, big belt pulley 12 drives the second screw mandrel 5 to rotate, and the first nut 10 moves right on the second screw mandrel 5 Dynamic, rag 16 moves right, and the movement velocity of rag 16 is slower than cleaning device 8, and rag 16 blots the water on the blackboard 4 after cleaning Only, when cleaning device 8 reaches the right-hand member of blackboard 4, and when blackboard 4 is all cleaned up, the first motor 25, the second motor 31, 3rd motor 801 and water pump 33 are stopped, and start electric pushrod 9 and retract.Start the second motor 31 to rotate, the band of the second motor 31 Dynamic first screw mandrel 1 is rotated, and the second nut 18 is moved to the left on the first screw mandrel 1, and cleaning device 8 is moved to the left, the second motor 31 Small belt pulley 14 is driven to rotate, small belt pulley 14 drives big belt pulley 12 to rotate by flat belt 13, and big belt pulley 12 drives the Two screw mandrels 5 are rotated, and the first nut 10 is moved to the left on the second screw mandrel 5, and rag 16 is moved to the left, and rag 16 is again to blackboard 4 Wiped, when cleaning device 8 and rag 16 reset, the second motor 31 is stopped.
Because also including fan 34, the top of contiguous block 15 is provided with fan 34, at the end of cleaning, starts fan 34, in the wind of fan 34 to blackboard 4, after blackboard 4 is dried, fan 34 is stopped, so as to accelerate the dry speed of blackboard 4 Degree.
Because also including the second placement plate 35 and pole 36, the first placement plate 30 bottom is provided with pole 36, under pole 36 End is provided with the second placement plate 35, to place and can place a small amount of article on plate, such as:Rag 16.
Because the first placement plate 30 and second places plate 35 and is provided with mop putting hole 37, mop can be poured into mop In putting hole 37, increase the wind area of mop, accelerate the dry speed of mop.
Because the first motor 25, the second motor 31 and the 3rd motor 801 are servomotor, servomotor can be controlled accurately Rotating speed processed such that it is able to freely control to clean the speed of blackboard 4.
Because the material of elevating lever 26 is Q235 steel, Q235 steel is difficult to get rusty, and extends the service life of elevating lever 26.
Because the thickness of first support 3 and second support 7 is 3cm, first support 3 and second support 7 are solid, make the present apparatus More stablize.
Embodiment described above only expresses the preferred embodiment of the present invention, and its description is more specific and detailed, but simultaneously Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art For, without departing from the inventive concept of the premise, some deformations, improvement can also be made and substituted, these belong to this hair Bright protection domain.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (7)

1. a kind of Accounting Course multi-functional blackboard Quick cleaning device, it is characterised in that include the first screw mandrel(1), first Right axle bearing(2), first support(3), blackboard(4), the second screw mandrel(5), the second right axle bearing(6), second support(7), cleaning Device(8), electric pushrod(9), the first nut(10), the first left shaft holder(11), big belt pulley(12), flat belt(13), it is small Belt pulley(14), contiguous block(15), rag(16), the first fixed plate(17), the second nut(18), shower nozzle(19), flexible pipe(20)、 Second left shaft holder(21), sliding block(22), head rod(23), the second connecting rod(24), the first motor(25), elevating lever (26), the 3rd connecting rod(27), cross bar(28), water tank(29), first place plate(30), the second motor(31), slide rail(32), water Pump(33), the 3rd motor(801), circular shaft bearing(802), rotating shaft(803), brush(804), the second fixed plate(805), the 4th Connecting rod(806), bull stick(807), rotating disk(808)With the 5th connecting rod(809), blackboard(4)Bottom is provided with first support(3), First support(3)Front side is sequentially provided with the second motor from left to right(31), the second left shaft holder(21)With the first right axle bearing (2), the second left shaft holder(21)With the first right axle bearing(2)Between be provided with the first screw mandrel(1), the first screw mandrel(1)Left end and Two motors(31)Connection, the first screw mandrel(1)It is provided with the second nut(18), the second nut(18)With the first screw mandrel(1)Coordinate, the Two nuts(18)Front side is provided with cross bar(28), cross bar(28)Front end is provided with slide rail(32), slide rail(32)Left pivot movement formula is connected with Head rod(23), head rod(23)Lower end rotary type is connected with the second connecting rod(24), slide rail(32)Front side is provided with Sliding block(22), sliding block(22)It is provided with elevating lever(26), elevating lever(26)Lower end front side is provided with the first motor(25), the first motor (25)With the second connecting rod(24)Lower end rotary type connection, elevating lever(26)Upper end is provided with contiguous block(15), the second nut(18) Bottom is provided with the 3rd connecting rod(27), the 3rd connecting rod(27)Lower end is provided with the first placement plate(30), first places plate(30)On It is provided with water tank(29), water tank(29)Inner bottom part is provided with water pump(33), water pump(33)It is provided with flexible pipe(20), contiguous block(15)Rear side It is provided with electric pushrod(9), electric pushrod(9)Rear end is connected with cleaning device(8), cleaning device(8)Include the 3rd motor (801), circular shaft bearing(802), rotating shaft(803), brush(804), the second fixed plate(805), the 4th connecting rod(806), turn Bar(807), rotating disk(808)With the 5th connecting rod(809), the 3rd motor(801)Rear side is connected with rotating shaft(803), the 3rd motor (801)Rear is provided with circular shaft bearing(802), rotating shaft(803)Through circular shaft bearing(802), rotating shaft(803)Rear end is provided with Five connecting rods(809), the 5th connecting rod(809)Lower end is provided with rotating disk(808), rotating disk(808)Rear side is provided with bull stick(807), turn Bar(807)Rear end is provided with the 4th connecting rod(806), the 4th connecting rod(806)Upper end is provided with brush(804), circular shaft bearing (802)Rear is provided with the second fixed plate(805), brush(804)Through the second fixed plate(805), cleaning device(8)Bottom is provided with Shower nozzle(19), shower nozzle(19)And flexible pipe(20)Upper end connects, blackboard(4)Top is provided with second support(7), second support(7)Before Side is sequentially provided with big belt pulley from left to right(12), the first left shaft holder(11)With the second right axle bearing(6), big belt pulley(12) And small belt pulley(14)Between be wound with flat belt(13), the first left shaft holder(11)With the second right axle bearing(6)Between be provided with Two screw mandrels(5), the second screw mandrel(5)Left end and big belt pulley(12)Connection, the second screw mandrel(5)It is provided with the first nut(10), the One nut(10)Bottom is provided with the first fixed plate(17), the first fixed plate(17)Rear side is provided with rag(16).
2. a kind of Accounting Course multi-functional blackboard Quick cleaning device according to claim 1, it is characterised in that also wrap Fan is included(34), contiguous block(15)Top is provided with fan(34).
3. a kind of Accounting Course multi-functional blackboard Quick cleaning device according to claim 1, it is characterised in that also wrap The second placement plate is included(35)And pole(36), first places plate(30)Bottom is provided with pole(36), pole(36)Lower end is provided with Second places plate(35).
4. a kind of Accounting Course multi-functional blackboard Quick cleaning device according to claim 3, it is characterised in that first Place plate(30)Plate is placed with second(35)It is provided with mop putting hole(37).
5. a kind of Accounting Course multi-functional blackboard Quick cleaning device according to claim 1, it is characterised in that first Motor(25), the second motor(31)With the 3rd motor(801)It is servomotor.
6. a kind of Accounting Course multi-functional blackboard Quick cleaning device according to claim 1, it is characterised in that lifting Bar(26)Material be Q235 steel.
7. a kind of Accounting Course multi-functional blackboard Quick cleaning device according to claim 1, it is characterised in that first Support(3)And second support(7)Thickness be 3cm.
CN201710067625.3A 2017-02-07 2017-02-07 A kind of Accounting Course multi-functional blackboard Quick cleaning device Active CN106739698B (en)

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Cited By (6)

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Publication number Priority date Publication date Assignee Title
CN107839380A (en) * 2017-10-15 2018-03-27 王欣宇 A kind of dustless blackboard for education
CN107933154A (en) * 2017-11-21 2018-04-20 佛山汇众森泰科技有限公司 Sassafras blackboard equipment is used in a kind of environmental protection and energy saving teaching
CN108944187A (en) * 2018-06-28 2018-12-07 中兴华教育科技(北京)有限公司 A kind of intelligent teaching dais
CN109598955A (en) * 2018-12-11 2019-04-09 佛山科学技术学院 One kind being based on city variable speed-limit optimal control management system and its method
CN110171234A (en) * 2019-05-29 2019-08-27 朱芙蓉 A kind of new teaching belt type blackboard
CN110217026A (en) * 2019-05-23 2019-09-10 洛阳理工学院 A kind of washing automatically cleaning blackboard with air-drying function

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CN102225675A (en) * 2011-06-16 2011-10-26 福安市逸夫小学 Multifunctional electric self-cleaning teaching blackboard
CN203611609U (en) * 2013-12-20 2014-05-28 侯桂云 Remote control type automatic-clearing blackboard
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CN104890417A (en) * 2015-06-04 2015-09-09 浙江理工大学 Full-automatic environment-friendly blackboard eraser
CN106004171A (en) * 2016-07-02 2016-10-12 深圳市中幼国际教育科技有限公司 Teaching blackboard capable of automatically wiping dust

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Publication number Priority date Publication date Assignee Title
CN2093762U (en) * 1991-01-26 1992-01-22 冯宜力 Electric device for cleaning the blackboard
CN102225675A (en) * 2011-06-16 2011-10-26 福安市逸夫小学 Multifunctional electric self-cleaning teaching blackboard
CN203611609U (en) * 2013-12-20 2014-05-28 侯桂云 Remote control type automatic-clearing blackboard
CN204586259U (en) * 2015-03-03 2015-08-26 淮安信息职业技术学院 Automatic eraser device
CN104890417A (en) * 2015-06-04 2015-09-09 浙江理工大学 Full-automatic environment-friendly blackboard eraser
CN106004171A (en) * 2016-07-02 2016-10-12 深圳市中幼国际教育科技有限公司 Teaching blackboard capable of automatically wiping dust

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107839380A (en) * 2017-10-15 2018-03-27 王欣宇 A kind of dustless blackboard for education
CN107933154A (en) * 2017-11-21 2018-04-20 佛山汇众森泰科技有限公司 Sassafras blackboard equipment is used in a kind of environmental protection and energy saving teaching
CN108944187A (en) * 2018-06-28 2018-12-07 中兴华教育科技(北京)有限公司 A kind of intelligent teaching dais
CN109598955A (en) * 2018-12-11 2019-04-09 佛山科学技术学院 One kind being based on city variable speed-limit optimal control management system and its method
CN110217026A (en) * 2019-05-23 2019-09-10 洛阳理工学院 A kind of washing automatically cleaning blackboard with air-drying function
CN110171234A (en) * 2019-05-29 2019-08-27 朱芙蓉 A kind of new teaching belt type blackboard

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