CN2915541Y - Automatic teaching device for writing on blackborad - Google Patents
Automatic teaching device for writing on blackborad Download PDFInfo
- Publication number
- CN2915541Y CN2915541Y CN 200620024198 CN200620024198U CN2915541Y CN 2915541 Y CN2915541 Y CN 2915541Y CN 200620024198 CN200620024198 CN 200620024198 CN 200620024198 U CN200620024198 U CN 200620024198U CN 2915541 Y CN2915541 Y CN 2915541Y
- Authority
- CN
- China
- Prior art keywords
- impression
- eliminator
- writing
- axle
- bevel gear
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
A blackboard writing device belongs to education tools, characterized in that a rolling drum in the frame is arranged in a rotary bearing on the terminal of a side plate, a soft writing board cover is positioned on the upper and the lower rolling drums and rotates by means of the manual bevel gear on the rolling drum and shaft. An eraser is arranged on the back of the blackboard writing frame and has a wet and dry eraser, which can erase characters by rolling the soft writing board. The utility model can move upwards and downwards freely, one can always comfortably write, which both saves time and energy. At the same time, the erasing process with liquid and dry hair felt results in a clean and smooth writing board and no pollution. The product is characterized by simple structure, easy use and installation and suitable to be used in various blackboard writing board.
Description
Technical field
The utility model belongs to teaching aid, the teaching board automatics that especially a kind of school instruction is used.
Background technology
The existing used blackboard of school instruction, mostly be conventional fixed formula blackboard or Push-pull blackboard, Push-pull blackboard generally is to be one group with two blackboards, be connected with pulley and be installed on the body of wall by tightrope, two blackboard push-and-pull exchanges up and down during use, when below having write during a blackboard, upwards pushing the blackboard of face or pulling down top blackboard is replaceable blackboard position, conveniently write and be convenient to student's record, but push-and-pull blackboard wiping person's handwriting time and effort consuming, chalk dust flies upward everywhere, endangers healthy.People have designed some automatic blackboard devices in recent years, as CN2220368Y " electronic rotation bar shaped blackboard ", adopt principal and subordinate wheel to connect with chain, the prolongation pivot pin and the stripe board two ends of both sides chain correspondence are affixed, are provided with at the electronic Revolving blackboard back side to disappear from the plate that pastes; Also have CN2341808Y " fully automatic blackboard " etc. fundamentally not solve the chalk pollution problem, and complex structure, it is accurate that automated procedure is difficult to, and still has certain limitation as writing on the blackboard instrument or demonstration teaching aid." automatic blackboard " that the applicant has applied for, application number is 200620002858.2, just structurally carry out some improvement, made blackboard utilize stepper motor to rotate up and down, when writing, utilize the Impression eliminator blackboard wiping at the blackboard back side, can solve pollution problem that is brought when chalk is write and the problem of rotating automatically like this, but use, adopt the stepper motor Rotary Blackboard through reality, not too coordinate in the mechanism, and can't use when having a power failure; The 2nd, soft clipboard is difficult to select for use, needs pulling force when rotating, and need be close to backing plate and straight smooth when writing, and this also relates to the selection and the handling problem of writing backing plate; The 3rd, the problem that the structure of Impression eliminator need be transformed.Therefore, the inventor has done improvement from structure further, and repeatedly prepares and liquid and erasion liquid are write in test, and it is further perfect that the utility model has been obtained, and realizes that teaching at present uses the dustless noiselessness and the automation of writing on the blackboard device.
Summary of the invention
When the problem that the utility model solves is teaching writing, the pollution problem of dust and noise and existing writing on the blackboard device are big and heavy, awkward problem, and on the basis of patent applied for, further solve the problem of soft clipboard and writing backing plate and Impression eliminator, its objective is provides a kind of simple in structure, easy to operate, time saving and energy saving a kind of teaching board automatics.
The utility model is based on the problems referred to above and purpose, the technical scheme of being taked comprises sheathed soft clipboard on cylinder on writing on the blackboard framework, the writing on the blackboard framework side plate and interpleural writing backing plate and the cylinder, power set that connect on the drum shaft and the written handwriting Impression eliminator that is positioned at writing on the blackboard framework back, its described writing backing plate is the straight plate of magnetic; Described soft clipboard is the soft clipboard that magnetic textile back sheet and polyethylene layer bond together; Described power set are bevel gear driving device or stepper motor; Described Impression eliminator is the rectangular box by Impression eliminator fixed head transfer fixing on the side plate, box is provided with reservoir, be provided with in the box wet disappear roll roll with xerotripsis and exposed outside, two ends are provided with the Impression eliminator axle, and be installed in the Impression eliminator axle holddown groove, on the Impression eliminator axle, be arranged with the Impression eliminator axis fixing plate, fix by Impression eliminator axle standing screw, Impression eliminator axle hold-down nut, Impression eliminator axle screw rod fixed cover and the transfer of Impression eliminator screw handle, make exposed wet disappearing roll (16) and xerotripsis is rolled (17) and soft clipboard (5) and touched and close.
The straight plate of above-mentioned magnetic be with magnetic or iron powder coat with lacquer in or ooze in the straight plate of magnetic on the wooden straight plate or on the straight plate of plastics or on other straight plate.
Above-mentioned magnetic textile back sheet is to be evenly equipped with magnetic or iron powder in the textile back sheet, or at textile back sheet surface lacquer the magnetic textile back sheet that has magnetic or iron powder is arranged.
Above-mentioned bevel gear driving device is to be connected the bevel gear driving device that the driven wheel of differential on the drum shaft rotates with the drive bevel gear engagement that has handle.
Characteristics of the present utility model are to have adopted cylinder and bearing arrangement, hand bevel gear driving device or stepper motor have been used, the writing on the blackboard device is moved up and down freely, noiseless, overcome thick, big, the stupid and time-consuming problem of requiring great effort of writing on the blackboard device in the prior art, the writing implement that makes is simple and easy.The soft clipboard that is set on the cylinder is to have the textile back sheet of magnetic and the soft clipboard that polyethylene layer bonds together; color is creamy white; nexine is wear-resisting; smooth in appearance and not reflective; both can be used as teaching writing; can be used as multimedia teaching again, also help protection student's eyesight.Between biside plate, be provided with corresponding magnetic writing backing plate, make that soft clipboard is straight, fluent writing.When adopting the liquid lettering pen to write, no dust and noise are always write on the position of oneself being suitable for, and be time saving and energy saving, clear facility.Be fixedly connected with Impression eliminator on the writing on the blackboard framework, which is provided with reservoir, reservoir can directly be pulled out from the clipboard side and be added erasion liquid; Be provided with in it wet disappear to roll with xerotripsis roll, wet disappear to roll to move by soft clipboard roll, and in the process of rolling, written handwriting is carried out redox reaction elimination person's handwriting with erasion liquid; Xerotripsis roll wet disappear roll eliminate person's handwriting after, once more written handwriting is carried out xerotripsis, make totally light of clipboard face, clear bright when writing once more, when thoroughly having eradicated the use chalk and having write, the pollution problem of dust.The utility model is simple in structure, and is easy to use, with low cost, and simple installation is applicable to that various teaching boards use.
Description of drawings
Fig. 1 is a general frame structural representation of the present utility model
Fig. 2 is an Impression eliminator structural representation of the present utility model
Fig. 3 is an Impression eliminator of the present utility model left side TV structure schematic diagram
Fig. 4 is an Impression eliminator plan structure schematic diagram of the present utility model
Fig. 5 is a bevel gear driving apparatus structure schematic diagram of the present utility model
Fig. 6 is a side plate rolling bearing structure schematic diagram of the present utility model
Fig. 7 is an Impression eliminator transfer structural representation of the present utility model
：1： 2： 3： 4： 5： 6： 7： 8： 9： 10： 11： 12： 13： 14： 15： 16： 17： 18： 19： 20： 21： 22： 23：24： 25： 26： 27： 28： 29： 30： 31： 32： 33： 34： 35： 36： 37： 38： 39： 40： 41： 42. 43.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is made and to further describe
Among Fig. 1, upper and lower side frame 1 is made and is fixedlyed connected by aluminium alloy with left side plate 4 and constitutes whole writing on the blackboard framework 11, up-down roller 2 adopts hollow plastic tube, two ends is provided with cylinder double wedge 12, fixed cover is connected to drum shaft 3 in the two ends, and be installed in the rolling bearing 35 of left side plate 4 termination correspondences, admittedly follow closely 10 fixedly connected writing backing plates 64 of writing on the blackboard framework 11 biside plates by writing backing plate, and soft clipboard 5 is set on the up-down roller 2, make the rolling that is meshing with each other of the cylinder double wedge 12 at soft clipboard groove 13 and respective rollers 2 two ends of soft clipboard 5 limit portions, be connected with power set 8 on drum shaft 3, the back side of writing on the blackboard framework 11 is provided with Impression eliminator 15.
Among Fig. 1, writing backing plate 6 is the straight plates that have magnetic, the described straight plate that has magnetic be with magnetic or iron powder coat with lacquer in or ooze on the wooden straight plate or on the plastic plate or on other straight plate, the size of its magnetic force makes writing backing plate 6 and soft clipboard 5 fit together, straight smooth when writing, or directly buy the magnetic soft board, purpose is that writing backing plate 6 and soft clipboard 5 are fit together.
Among Fig. 2, Fig. 3, Fig. 4 and Fig. 7, Impression eliminator 15 is rectangular boxes that are installed on the Impression eliminator fixed head 7 of left side plate 4, on box, be provided with reservoir 18, reservoir 18 is provided with liquid storage grooved rail groove 42 first, box is provided with a reservoir track 43, liquid storage grooved rail groove 42 is placed on the reservoir track 43, reservoir 18 is released at any time add erasion liquid.In box, be provided with wet disappear roll 16 and xerotripsis roll 17, two ends are provided with Impression eliminator axle 20, and be installed in the Impression eliminator axle holddown groove 36, and make wet disappear roll 16 with reservoir 18 on reservoir weepage holes 21 corresponding and black closing, on Impression eliminator axle 20, also be arranged with Impression eliminator axis fixing plate 39, fix by Impression eliminator axle standing screw 38, Impression eliminator axle hold-down nut 37, Impression eliminator axle screw rod fixed cover 40 and 41 transfers of Impression eliminator screw handle.
Among Fig. 5, power set 8 are bevel gear driving device (or drive with stepper motor), and drive bevel gear 29 is that drive bevel gear axle 26 is installed on drive bevel gear bearing spider 27 and drive bevel gear bearing and the handle bearing 30; Driven wheel of differential axle 25 is connected with the drum shaft 3 of bottom roll 2 by shaft coupling 32, and is supported on the driven wheel of differential bearing spider 34, and the other end is connected with bearing holder (housing, cover) on the drive bevel gear bearing spider 27, and rotates with drive bevel gear 29 engagements; Drive bevel gear bearing spider 27, drive bevel gear bearing and handle bearing 30 and driven wheel of differential bearing spider 34 are fixed on the bevel gear fixed head 28 by bevel gear fixed head nail 24 together; One end face of bevel gear fixed head 28 is fastened on the side plate 4, and bevel gear fixed head 28 is fixed at grade with whole writing on the blackboard framework 11.
Among Fig. 1, soft clipboard 5 is to have the textile back sheet of magnetic and the soft clipboard that polyethylene layer bonds together, the described textile back sheet that has magnetic is to be evenly equipped with magnetic or iron powder in the textile back sheet, or magnetic or iron powder are arranged at the surface lacquer of textile back sheet, textile back sheet and transparent middle being creamy white of polyethylene layer, the surface that is soft clipboard 5 is smooth milky, uses when being convenient to multimedia teaching.
During use, shake handle 31 and make drive bevel gear 29 engagement driven wheels of differential 25, driving drum shaft 3 by shaft coupling 32 again rotates, thereby cylinder 2 and last sheathed soft clipboard 3 thereof are moved, Impression eliminator 15 wet that is located at soft clipboard 3 back simultaneously disappear roll 16 and xerotripsis roll 17 and constantly disappear and wipe the person's handwriting of writing on the soft clipboard 3, make soft clipboard 3 keep clean, cleaning or smooth.
Claims (2)
1. teaching board automatics, it contains sheathed soft clipboard on cylinder on writing on the blackboard framework, the writing on the blackboard framework side plate and interpleural writing backing plate and the cylinder, power set that connect on the drum shaft and the written handwriting Impression eliminator that is positioned at writing on the blackboard framework back is characterized in that described writing backing plate (6) is the straight plate of magnetic; Described soft clipboard (5) is the soft clipboard (5) that magnetic textile back sheet and polyethylene layer bond together; Described power set (8) are bevel gear driving device or stepper motor; Described Impression eliminator (15) is to be connected a rectangular box on the side plate (4) by Impression eliminator fixed head (7), box is provided with reservoir (18), be provided with wet disappearing in the box and roll (16) and xerotripsis is rolled (17) and exposed outside, be fixedly connected with Impression eliminator axle (20) is hinged in the Impression eliminator axle holddown groove (36) at the two ends of rectangular box, on Impression eliminator axle (20), be arranged with Impression eliminator axis fixing plate (39), and in Impression eliminator axis fixing plate (39), be provided with Impression eliminator axle hold-down nut (37), on Impression eliminator fixed head (7), be fixedly connected with Impression eliminator axle screw rod fixed cover (40), and in Impression eliminator axle screw rod fixed cover (40), be provided with nut, on Impression eliminator axle standing screw (38), be provided with respective threads, Impression eliminator axis fixing plate (39) and Impression eliminator fixed head (7) are linked together, be provided with Impression eliminator screw handle (41) in the termination of Impression eliminator axle standing screw (38).
2. teaching board automatics as claimed in claim 1 is characterized in that the bevel gear driving device is to be connected the bevel gear driving device that the driven wheel of differential on the drum shaft (3) rotates with the drive bevel gear engagement that has handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620024198 CN2915541Y (en) | 2006-04-22 | 2006-04-22 | Automatic teaching device for writing on blackborad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620024198 CN2915541Y (en) | 2006-04-22 | 2006-04-22 | Automatic teaching device for writing on blackborad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2915541Y true CN2915541Y (en) | 2007-06-27 |
Family
ID=38186447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620024198 Expired - Fee Related CN2915541Y (en) | 2006-04-22 | 2006-04-22 | Automatic teaching device for writing on blackborad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2915541Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070894A (en) * | 2014-05-10 | 2014-10-01 | 张磊 | Magnetic writing board with handwriting erasing mechanism |
| CN108790517A (en) * | 2018-06-27 | 2018-11-13 | 南京昊铭远科信息科技有限公司 | A kind of wiping arrangement for blank |
| CN108790516A (en) * | 2018-06-15 | 2018-11-13 | 赵书朗 | A kind of blank wiping arrangement |
| CN110217023A (en) * | 2019-05-15 | 2019-09-10 | 谢陶明 | A kind of avoidable writing blackboard for writing curtain abrasion |
-
2006
- 2006-04-22 CN CN 200620024198 patent/CN2915541Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070894A (en) * | 2014-05-10 | 2014-10-01 | 张磊 | Magnetic writing board with handwriting erasing mechanism |
| CN104070894B (en) * | 2014-05-10 | 2015-12-02 | 张磊 | With the magnetic writing board of handwriting erasing mechanism |
| CN108790516A (en) * | 2018-06-15 | 2018-11-13 | 赵书朗 | A kind of blank wiping arrangement |
| CN108790517A (en) * | 2018-06-27 | 2018-11-13 | 南京昊铭远科信息科技有限公司 | A kind of wiping arrangement for blank |
| CN110217023A (en) * | 2019-05-15 | 2019-09-10 | 谢陶明 | A kind of avoidable writing blackboard for writing curtain abrasion |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2915541Y (en) | Automatic teaching device for writing on blackborad | |
| CN102267318A (en) | Roller blackboard | |
| CN210526119U (en) | Teaching aid for information and computer science | |
| CN208938412U (en) | A kind of math teaching board device | |
| CN201941395U (en) | Rolling type self-cleaning blackboard | |
| CN101219623A (en) | Electric magnetic blackboard eraser | |
| CN204354656U (en) | A kind of rotary education blackboard | |
| CN201841823U (en) | Roller shutter type blackboard | |
| CN200948709Y (en) | Dust-free water scrubbing blackboard | |
| CN207274229U (en) | Classroom blackboard system | |
| CN206870703U (en) | Rolling calculates toilet paper device | |
| CN206551745U (en) | It is a kind of to improve the assistant teaching aid of classroom efficiency | |
| CN201385509Y (en) | Novel electric dustless flexible blackboard | |
| CN211555164U (en) | University's chinese teaching is with rotatable type demonstration board | |
| CN201677632U (en) | Teaching blackboard | |
| CN111347811B (en) | Education supplies maintains device | |
| CN2838980Y (en) | Dust-free blackboard | |
| CN2925915Y (en) | Automatic teaching blackboard | |
| CN209657564U (en) | A kind of portable environmental-protection formula instructional device | |
| CN209351128U (en) | A kind of Education teaching demonstrating board | |
| CN206528241U (en) | A kind of dedusting Dual-side blackboard | |
| CN200998972Y (en) | Electric magnetic blackboard eraser | |
| CN202115191U (en) | Blackboard with rollers | |
| CN207466178U (en) | A kind of Multifunctional blackboard | |
| CN203974318U (en) | A kind of automatic rotation dust-free blackboard |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |