CN104260583A - Blackboard with dust prevention function - Google Patents
Blackboard with dust prevention function Download PDFInfo
- Publication number
- CN104260583A CN104260583A CN201410493651.9A CN201410493651A CN104260583A CN 104260583 A CN104260583 A CN 104260583A CN 201410493651 A CN201410493651 A CN 201410493651A CN 104260583 A CN104260583 A CN 104260583A
- Authority
- CN
- China
- Prior art keywords
- blackboard
- synchronous pulley
- frame
- running roller
- roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
- B43L1/08—Blackboards flexible
-
- 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
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
Abstract
The invention discloses a blackboard with a dust prevention function. The blackboard with the dust prevention function comprises a frame, a pair of driving synchronous pulleys driven by a turbine gear motor and a pair of driven synchronous pulleys, wherein the driving synchronous pulleys and the driven synchronous pulleys are arranged on the frame. A pair of tensioning synchronous pulleys is arranged between the driving synchronous pulleys and the driven synchronous pulleys. The turbine gear motor is arranged below the driving synchronous pulleys on the frame. A roller a supported by a bearing block of the roller is arranged below the turbine gear motor on the frame. A roller b driven by a roller motor is arranged above the driven synchronous pulleys on the frame. A rubber plate is connected to the outer surfaces of the driving synchronous pulleys, the tensioning synchronous pulleys and the driven synchronous pulleys to form a rotating blackboard loop when the turbine gear motor drives the synchronous pulleys to rotate. The roller a and the roller b are in contact with the surface of the rotating blackboard loop. The roll motor drives the roller b to rotate to remove chalk dust on the surface of the blackboard. The blackboard with the dust prevention function is simple, practical and good in dust removal effect and avoids the harm of dust to a body in a using process.
Description
Technical field
The present invention relates to a kind of blackboard, is a kind of automatic dustproof blackboard with dust reduction capability specifically.
Background technology
Along with the develop rapidly of educational undertaking, although various teaching equipment instrument constantly updates, outmoded conventional teaching replaces by the use of modern teaching method and equipment step by step, but still occupies larger ratio in this use developing traditional blackboard in excessive permanent process.Over more than 200 year, blackboard from the earliest spread upon the hard objects such as plank, cement surface to the water mill glass of the nineties, present color coated steel sheet with blacking, the development step by step of educational undertaking of the witnesses such as composite.The kind of present blackboard also starts to become complicated various, is divided into black, white, green etc. from color.From the frame activity of top set of mechanism, push-and-pull, lifting, magnetic etc.Although the kind of blackboard is a lot, but these blackboards in use still be unable to do without chalk, so a lot of airborne dust must be had make teacher and student endure the harm of chalk dust to the fullest extent in the process of erasing, this kind of blackboard dust be large, to teacher's body harm large and erasing lose time.
Abroad, what mainly take is that open teaching method uses interactive electric whiteboard as planting novel Information Technology Equipment, and it obtains applying more and more widely in education sector.External correlative study shows, interactive electric whiteboard can produce active influence to classroom instruction, as the learning motivation that improves student and study participation, strengthens student to the creativeness of the understanding of the content of courses and grasp, enhancing classroom teaching and interactive mode, and the effect etc. of effectively lifting classroom instruction.So there is no find to carry out more deep research to such dustproof blackboard abroad.
Along with the development of society, educational undertaking more and more obtains the attention of various circles of society, and the healthy of teacher worker also receives much attention.The object designing this blackboard is exactly be from the approach erased the board, directly alleviate or avoid chalk dust airborne dust to the injury of teacher student's health, therefore no matter still safeguards that the angle of health degree is all significant from environmental protection.
Summary of the invention
For the problems referred to above, the invention provides a kind of blackboard with dust reduction capability, this dustproof blackboard simplicity of design, cost be low, be easy to assembling.
The present invention solves being realized by following technical proposals of its technical problem:
A kind of blackboard with dust reduction capability that the present embodiment provides, comprise a frame, and being arranged on the driving synchronous pulley and a pair driven synchronous pulley that are driven by worm gear speed-reducing motor for a pair in frame, the frame between described driving synchronous pulley and driven synchronous pulley is provided with a pair tensioning synchronous pulley; Worm gear speed-reducing motor is located in the frame below driving synchronous pulley, and the frame below worm gear speed-reducing motor is provided with the running roller a supported by running roller a bearing block, the frame above driven synchronous pulley is provided with by the running roller b of roller driven by motor; One rubber slab is connected to described driving synchronous pulley, tensioning synchronous pulley and driven synchronous pulley outer surface, drives synchronous pulley to rotate form Revolving blackboard loop at worm gear speed-reducing motor; Running roller a contacts with running roller b at Revolving blackboard loop upper surface, and roller motor drive roller wheel b rotates and the chalk powder wiping on blackboard surface removed.
Preferably, described worm gear speed-reducing motor is controlled the start and stop of blackboard by remote controller shift knob.
Preferably, the driving synchronous pulley that described worm gear speed-reducing motor drives the drive of the output shaft on a pair gear train to be contained in its two ends by gear train engagement driven gear group jackshaft rotates.
Preferably, described running roller a is rack-mount by running roller a bearing block connection cushion block; Described running roller b is supported on support by support connection roll sub-motor.
Preferably, described a pair tensioning synchronous pulley is connected on support by jackshaft, support is provided with slide groove, slide groove is provided with the support section of connecting the bolt be connected by butterfly nut, slide groove described in bolt-through connects with the tensioning spring being arranged on slide groove inner chamber, one end of tensioning spring connects with the sliding chute rod being connected with tensioning synchronous pulley, thus regulates the rate of tension of tensioning synchronous pulley by the degree of tightness of butterfly nut control spring.
Preferably, described running roller a and running roller b is provided with roller brush.
Preferably, described support comprises lower carriage and upper bracket, and described upper bracket is frame-type frame, and running roller a and running roller b is connected to top and the bottom of frame-type frame, and tensioning synchronous pulley is connected on the inner frame of frame-type frame.
Preferably, the distance that described tensioning synchronous pulley extends frame-type frame is longer than the distance that running roller a and running roller b extends frame-type frame.
Preferably, comprise Revolving blackboard loop in frame and running roller a and running roller b is wrapped in iron sheet casing, be provided with dust exhaust apparatus in the below of frame.
Preferably, described iron sheet casing is provided with the opening in the Revolving blackboard loop of being convenient to write, and opening is located at and drives between synchronous pulley and driven synchronous pulley.
Beneficial effect of the present invention is, first the erasing part of blackboard is in the behind of blackboard, to produce airborne dust in erasing, can not endanger healthy, secondly the erasing of blackboard is circulation, blank blackboard is continuously had when writing, can not be poverty-stricken because of the place embarrassment of not writing, the velocity of rotation of blackboard belt and the speed of two rollers all can by remote control debugging control again, can use according to different people and adjustment allows people feel comfortable, this blackboard also has the gathering-device of dust, can not contaminated environment is detrimental to health because chalk dust flies upward everywhere.This equipment has certain market potential, can put into production the daily demand meeting education sector.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a application's part, does not form inappropriate limitation of the present invention, in the accompanying drawings:
Fig. 1 is structural front view of the present invention.
Fig. 2 is side view of the present invention.
Fig. 3 is principle of the invention schematic diagram.
In Fig. 1, 1. drive synchronous pulley, 2. bearing a, 3. output shaft, 4. gear a, 5. output shaft bearing, 6. worm gear speed-reducing motor, 7. gear b, 8. gear c, 9. gear d, 10. cushion block, 11. tensioning synchronous pulleys, 12. running roller a, 13. jackshafts, 14. running roller b, 15. driven synchronous pulleys, 16-1. lower bearing bracket, 16-2. upper spider, 17. running roller a bearing blocks, 18. gear train middle bearing brackets, 19. slide bars, 20. tensioning springs, 21. sliding chute seats, 22. butterfly nuts, 23. roller motors, 24. gear train jackshafts, 25. bearing b, 26, woodruff key, 27. rubber slabs, 28. roller brush.
Detailed description of the invention
Describe the present invention in detail below in conjunction with accompanying drawing and specific embodiment, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as a limitation of the invention.
As shown in Figure 1, the present invention has the blackboard of dust reduction capability, comprise a lower bearing bracket 16-1, and the upper spider 16-2 be arranged on lower bearing bracket 16-1, be provided with the driving synchronous pulley 1 driven by worm gear speed-reducing motor for a pair in upper spider 16-2 upper end, be provided with a pair driven synchronous pulley 15 in upper spider 16-2 lower end; The tensioning synchronous pulley 11 connected by sliding chute seat 21 supporting slider 19 for a pair is provided with in the middle part of upper spider 16-2; Upper spider 16-2 below driving synchronous pulley 1 is provided with a worm gear speed-reducing motor 6, upper spider 16-2 below worm gear speed-reducing motor 6 is provided with the running roller a12 supported by running roller a bearing block 17, the upper spider 16-2 above driven synchronous pulley 15 is provided with the running roller b14 driven by roller motor 23; One rubber slab 27 is connected to described driving synchronous pulley 1, tensioning synchronous pulley 11 and driven synchronous pulley 15 outer surface, drives synchronous pulley to rotate form Revolving blackboard loop at worm gear speed-reducing motor 6; Running roller a12 contacts with running roller b14 at Revolving blackboard loop upper surface, and roller motor 23 drive roller wheel b14 rotates and the chalk powder wiping on blackboard surface removed.
The worm gear speed-reducing motor 6 originally with the blackboard of dust reduction capability by remote controller shift knob to control the start and stop of blackboard.Worm gear speed-reducing motor 6, by gear a4 meshing gear b7 driven gear group jackshaft 24 driven wheel c8 meshing gear d9, drives the driving synchronous pulley 1 being contained in its two ends to rotate by the output shaft 3 on gear d9.Output shaft 3 is equipped with output shaft bearing seat 5, output shaft bearing seat 5 is equipped with bearing a2, gear d9 is equipped with woodruff key 26.Gear train plummer block seat 18 gear train jackshaft 24 is equipped with, as shown in Figure 2.
As shown in Figure 2, running roller a12 connects cushion block 10 by running roller a bearing block 17 and is arranged on upper bracket 16-2.Running roller a12 is supported by bearing b25.
Upper bracket 16-2 is frame-type frame, a pair tensioning synchronous pulley 11 is connected to by jackshaft 13 on the inner frame of frame-type frame, upper bracket 16-2 is provided with slide groove 21, slide groove 21 is provided with the upper bracket 16-2 section of connecting the bolt be connected by butterfly nut 22, slide groove 21 described in bolt-through connects with the tensioning spring 20 being arranged on slide groove 21 inner chamber, one end of spring connects with the sliding chute rod 19 being connected with tensioning synchronous pulley 11, thus is controlled the rate of tension of the degree of tightness adjustment tensioning synchronous pulley 11 of tensioning spring 20 by butterfly nut 22.
Running roller a12 and running roller b14 is connected to top and the bottom of frame-type frame, and the distance that tensioning synchronous pulley 11 extends frame-type frame is longer than the distance that running roller a12 and running roller b14 extends frame-type frame.Like this by regulating the roller brush 28 that the rate of tension of tensioning synchronous pulley 11 is convenient on running roller a12 and running roller b14 to wipe the dust be attached on rubber slab (blackboard) 27.
As shown in Figure 3, and see Fig. 1, Fig. 2, during work, turn on-switch, controls the start and stop of blackboard by the shift knob on remote controller.Upon start up, driving with the turbine decelerator 6 driving synchronous pulley 1 to be connected drives synchronous pulley 1 to rotate, synchronous pulley 1 is driven to drive driven synchronous pulley 15, the rubber slab 27 (blackboard) be connected to like this on this synchronous pulley just achieves rotation, can also be controlled the speed that blackboard rotates by the speed governing button on remote controller.Be located at the spring of regulating wheel by being connected on tensioning synchronous pulley 11, on the one hand convenient adjustment, two is the dismountings facilitating rubber slab.While overturning before and after blackboard, the roller brush 28 being located at running roller a12 and running roller b14 periphery also starts the counter-rotation of rotating along rubber slab 27, strengthens the friction on hairbrush and blackboard surface, so that wiped clean.Have two hairbrush, they are laterally zygomorphic, can reach cleaning effect better like this.
Blackboard entirety iron sheet casing parcel, to reach dust-proof object, dust exhaust apparatus is placed in below box house, and drum-type hairbrush is connected with motor, and drive the driving wheel of blackboard upset to be connected with motor, motor is connected with the Switching Power Supply of system.Turn on-switch, is driven before and after blackboard by motor and overturns, and the opposite direction that hairbrush overturns along blackboard is simultaneously rolled, and strengthens the friction with blackboard, reaches better wiping effect.Teacher, in the process used, only need control start and stop and the speed of blackboard upset by the shift knob on remote controller and speed governing button, simple and practical, nor with worry dust to the harm of health.
The above; be only the present invention's preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
Claims (10)
1. one kind has the blackboard of dust reduction capability, comprise a frame, and be arranged on the driving synchronous pulley (1) and a pair driven synchronous pulley (15) that are driven by worm gear speed-reducing motor for a pair in frame, it is characterized in that: the frame between described driving synchronous pulley (1) and driven synchronous pulley (15) is provided with a pair tensioning synchronous pulley (11); Worm gear speed-reducing motor (6) is located in the frame of driving synchronous pulley (1) below, the frame of worm gear speed-reducing motor (6) below is provided with the running roller a (12) supported by running roller a bearing block (17), and the frame of driven synchronous pulley (15) top is provided with the running roller b (14) driven by roller motor (23); One rubber slab (27) is connected to described driving synchronous pulley (1), tensioning synchronous pulley (11) and driven synchronous pulley (15) outer surface, drives synchronous pulley to rotate form Revolving blackboard loop at worm gear speed-reducing motor (6); Running roller a (12) contacts at Revolving blackboard loop upper surface with running roller b (14), and roller motor (23) drive roller wheel b (14) rotates and the chalk powder wiping on blackboard surface removed.
2. a kind of blackboard with dust reduction capability according to claim 1, is characterized in that: described worm gear speed-reducing motor (6) by remote controller shift knob to control the start and stop of blackboard.
3. a kind of blackboard with dust reduction capability according to claim 1, is characterized in that: the driving synchronous pulley (1) that described worm gear speed-reducing motor (6) drives the output shaft on a pair gear train (3) drive to be contained in its two ends by gear train engagement driven gear group jackshaft (24) rotates.
4. a kind of blackboard with dust reduction capability according to claim 1, is characterized in that: it is rack-mount that described running roller a (12) connects cushion block (10) by running roller a bearing block (17); Described running roller b (14) is supported on support by support connection roll sub-motor (23).
5. a kind of blackboard with dust reduction capability according to claim 1, it is characterized in that: described a pair tensioning synchronous pulley (11) is connected on support by jackshaft (13), support is provided with slide groove (21), slide groove (21) and the support section of connecting are provided with the bolt be connected by butterfly nut (22), slide groove (21) described in bolt-through connects with the tensioning spring (20) being arranged on slide groove (21) inner chamber, one end of tensioning spring (20) connects with the sliding chute rod (19) being connected with tensioning synchronous pulley (11), thus the rate of tension of tensioning synchronous pulley (11) is regulated by the degree of tightness of butterfly nut (22) control spring.
6. a kind of blackboard with dust reduction capability according to claim 1, is characterized in that: described running roller a (12) and running roller b (14) are provided with roller brush (28).
7. a kind of blackboard with dust reduction capability according to any one of claim 1,4,5, it is characterized in that: described support comprises lower carriage (16-1) and upper bracket (16-2), described upper bracket (16-2) is frame-type frame, running roller a (12) and running roller b (14) is connected to top and the bottom of frame-type frame, and tensioning synchronous pulley (11) is connected on the inner frame of frame-type frame.
8. a kind of blackboard with dust reduction capability according to claim 7, is characterized in that: the distance that described tensioning synchronous pulley (11) extends frame-type frame is longer than the distance that running roller a (12) and running roller b (14) extends frame-type frame.
9. a kind of blackboard with dust reduction capability according to claim 1, it is characterized in that: comprise Revolving blackboard loop in frame and running roller a (12) is wrapped in iron sheet casing with running roller b (14), be provided with dust exhaust apparatus in the below of frame.
10. a kind of blackboard with dust reduction capability according to claim 9, it is characterized in that: described iron sheet casing is provided with the opening in the Revolving blackboard loop of being convenient to write, opening is located at and drives between synchronous pulley (1) and driven synchronous pulley (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410493651.9A CN104260583B (en) | 2014-09-24 | 2014-09-24 | A kind of blackboard with dust reduction capability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410493651.9A CN104260583B (en) | 2014-09-24 | 2014-09-24 | A kind of blackboard with dust reduction capability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104260583A true CN104260583A (en) | 2015-01-07 |
| CN104260583B CN104260583B (en) | 2016-04-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410493651.9A Expired - Fee Related CN104260583B (en) | 2014-09-24 | 2014-09-24 | A kind of blackboard with dust reduction capability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104260583B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107321085A (en) * | 2017-08-28 | 2017-11-07 | 天钥光电（湖北）股份有限公司 | Flat-plate air air purifying apparatus |
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| CN2637193Y (en) * | 2003-07-15 | 2004-09-01 | 迟少强 | Fully self-service rotary blackboard |
| CN2732501Y (en) * | 2004-10-09 | 2005-10-12 | 宋维 | Electric rotating type automatic erasing board device |
| CN2778580Y (en) * | 2004-11-26 | 2006-05-10 | 孙明琪 | Automatically erasing dust-free black board |
| CN2834929Y (en) * | 2005-02-28 | 2006-11-08 | 陈喜均 | Vertical blackboard machine capable of circuiting automatically |
| CN201105583Y (en) * | 2007-12-05 | 2008-08-27 | 王建军 | Roller dust-free blackboard eraser |
| CN103507497A (en) * | 2013-10-10 | 2014-01-15 | 河南省佰腾电子科技有限公司 | Blackboard |
| CN103538396A (en) * | 2013-10-14 | 2014-01-29 | 华南理工大学 | Double-drum flexible multifunctional blackboard |
-
2014
- 2014-09-24 CN CN201410493651.9A patent/CN104260583B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2637193Y (en) * | 2003-07-15 | 2004-09-01 | 迟少强 | Fully self-service rotary blackboard |
| CN2732501Y (en) * | 2004-10-09 | 2005-10-12 | 宋维 | Electric rotating type automatic erasing board device |
| CN2778580Y (en) * | 2004-11-26 | 2006-05-10 | 孙明琪 | Automatically erasing dust-free black board |
| CN2834929Y (en) * | 2005-02-28 | 2006-11-08 | 陈喜均 | Vertical blackboard machine capable of circuiting automatically |
| CN201105583Y (en) * | 2007-12-05 | 2008-08-27 | 王建军 | Roller dust-free blackboard eraser |
| CN103507497A (en) * | 2013-10-10 | 2014-01-15 | 河南省佰腾电子科技有限公司 | Blackboard |
| CN103538396A (en) * | 2013-10-14 | 2014-01-29 | 华南理工大学 | Double-drum flexible multifunctional blackboard |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107321085A (en) * | 2017-08-28 | 2017-11-07 | 天钥光电（湖北）股份有限公司 | Flat-plate air air purifying apparatus |
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| Publication number | Publication date |
|---|---|
| CN104260583B (en) | 2016-04-27 |
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