CN205009833U - Automatic character -cleaning blackboard - Google Patents
Automatic character -cleaning blackboard Download PDFInfo
- Publication number
- CN205009833U CN205009833U CN201520628099.XU CN201520628099U CN205009833U CN 205009833 U CN205009833 U CN 205009833U CN 201520628099 U CN201520628099 U CN 201520628099U CN 205009833 U CN205009833 U CN 205009833U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- blackboard eraser
- belt
- shaft
- driving shaft
- 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
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Abstract
The utility model discloses an automatic character -cleaning blackboard relates to teaching articles for use technical field. An automatic character -cleaning blackboard, including the blackboard, blackboard eraser and motor, blackboard one side sets up the driving shaft, relative opposite side sets up the driven shaft, the motor is connected to driving shaft one end, first action wheel and second action wheel are installed respectively to the driving shaft both ends, first driving wheel and second from the driving wheel of following is installed respectively at the driven shaft both ends, the cover has first belt between first action wheel and the first follow driving wheel, second action wheel and second have the second belt from cover between the driving wheel, first belt and second belt upper surface set up L type fixed plate respectively, the vertical spring that sets up on the fixed plate, two fixed connecting blocks that set up in spring top, set up first recess on the connecting block, the blackboard eraser both ends set up the second recess that matches with first recess, the articulated clamp plate in fixed plate top. The utility model has the advantages of its simple structure, effectively the prevent misuse characters that will not need is wiped, conveniently changes the blackboard eraser.
Description
Technical field
The utility model relates to teaching aid technical field, particularly a kind of automatic character-erazing blackboard.
Background technology
The blackboard used in current school is substantially all the writing that use blackboard eraser wipes on blackboard, a large amount of dust can be produced in wiping process, dust can to health produce very large injury after being suspended in and being sucked by student and teacher in the air, and the not only time-consuming but also effort that manually erases the board.
In order to the dust after solving manually erase the board effort and wiping produces harm to human body, present people have devised blackboard and some novel blackboard erasers of many band automatic blackboard erasers, but in designed new type blackboard, major part all exists such as following problem:
1, the blackboard of existing band automatic blackboard eraser, always blackboard eraser is close on blackboard, is easy to the word not needing to wipe to wipe when careless operate miss, makes troubles to teacher.
2, blackboard eraser belongs to running stores, can often change in use procedure, and existing automatic blackboard eraser complex structure, blackboard eraser is changed, install trouble.
Utility model content
For solving deficiency of the prior art, the utility model provides a kind of automatic character-erazing blackboard, and its structure is simple, effectively can prevent maloperation from being wiped by unwanted word, make troubles to teacher, can be convenient for changing blackboard eraser simultaneously.
The utility model for achieving the above object, be achieved through the following technical solutions: a kind of automatic character-erazing blackboard, comprise blackboard, blackboard eraser and motor, described blackboard side arranges driving shaft, relative opposite side arranges the driven shaft parallel with driving shaft, described driving shaft and driven shaft are respectively by shaft supporting frame fixed support, described driving shaft one end connects motor, described both ends of main drive shaft installs the first driving wheel and the second driving wheel respectively, described driven shaft two ends install the first driven pulley and the second driven pulley respectively, between described first driving wheel and the first driven pulley, cover has the first belt, between described second driving wheel and the second driven pulley, cover has the second belt, described first belt and the second belt upper surface arrange L-type fixed head respectively, described fixed head vertically arranges spring, contiguous block is fixedly installed above two springs, described contiguous block is arranged the first groove, described blackboard eraser two ends arrange the second groove with the first matching grooves, be connected together by the first groove and the second groove between described blackboard eraser and contiguous block, and be bolted, hinged for making the pressing plate of blackboard eraser and blackboard close contact above described fixed head, described pressing plate can rotate along articulated position.
Described driving shaft and driven shaft lay respectively at the upper and lower both sides of blackboard.
Described blackboard eraser arranges dust cover.
Contrast prior art, the beneficial effects of the utility model are:
1, the utility model is by the spring arranged and the pressing plate be hinged on fixed head, when not needing to erase the board, rotary pressure plate makes pressing plate not compress the contiguous block be connected with blackboard, now blackboard eraser is upspring under the action of the spring, do not contact with blackboard, open motor in time also by the word erasing on blackboard, maloperation effectively can not to be avoided to be wiped by the word not needing to wipe, make troubles to teacher; When needs erase the board, rotary pressure plate, pressing plate presses the contiguous block be connected with blackboard eraser, makes blackboard eraser and blackboard close contact, now can word under the drive of motor on auto-erasing blackboard; Between blackboard eraser and contiguous block, bolt is fixed, and only needs loose bolts conveniently to be disassembled by blackboard eraser, be convenient for changing blackboard eraser when blackboard eraser changed by needs time.
2, driving shaft and driven shaft lay respectively at the upper and lower both sides of blackboard, blackboard eraser horizontal positioned, the convenient pressing plate regulating two ends.
3, blackboard eraser arranges dust cover, can prevent chalk dust in the process of erasing the board from disorderly flying, the most of dust after wiping can not be suspended in the air in dust cover.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model front view structural representation; Accompanying drawing 2 is the utility model upward view structural representations.
Label shown in accompanying drawing: 1, blackboard; 2, blackboard eraser; 3, motor; 4, driving shaft; 5, driven shaft; 6, shaft supporting frame; 7, the first driving wheel; 8, the second driving wheel; 9, the first driven pulley; 10, the second driven pulley; 11, the first belt; 12, the second belt; 13, fixed head; 14, spring; 15, contiguous block; 16, the first groove; 17, the second groove; 18, bolt; 19, pressing plate; 20, dust cover.
Detailed description of the invention
By reference to the accompanying drawings and specific embodiment, the utility model is described in further detail.Should be understood that these embodiments are only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the utility model instruction.
A kind of automatic character-erazing blackboard, comprise blackboard 1, blackboard eraser 2 and motor 3, described blackboard 1 side arranges driving shaft 4, relative opposite side arranges the driven shaft 5 parallel with driving shaft 4, described driving shaft 4 and driven shaft 5 are respectively by shaft supporting frame 6 fixed support, described driving shaft 4 one end connects motor 3, the first driving wheel 7 and the second driving wheel 8 is installed at described driving shaft 4 two ends respectively, the first driven pulley 9 and the second driven pulley 10 is installed at described driven shaft 5 two ends respectively, between described first driving wheel 7 and the first driven pulley 9, cover has the first belt 11, between described second driving wheel 8 and the second driven pulley 10, cover has the second belt 12, described first belt 11 and the second belt 12 upper surface arrange L-type fixed head 13 respectively, described fixed head 13 vertically arranges spring 14, contiguous block 15 is fixedly installed above two springs 14.Described contiguous block 15 is arranged the first groove 16, described blackboard eraser 2 two ends arrange the second groove 17 mated with the first groove 16, be connected together by the first groove 16 and the second groove 17 between described blackboard eraser 2 and contiguous block 15, and fixed by bolt 18, when blackboard eraser changed by needs time, only need loose bolts conveniently to be disassembled by blackboard eraser, be convenient for changing blackboard eraser.Hinged for making the pressing plate 19 of blackboard eraser 2 and blackboard 1 close contact above described fixed head 13, described pressing plate 19 can rotate along articulated position.When not needing to erase the board, rotary pressure plate makes pressing plate not compress the contiguous block be connected with blackboard, now blackboard eraser is upspring under the action of the spring, do not contact with blackboard, also can not by the word erasing on blackboard even if open motor, maloperation effectively can be avoided to be wiped by the word not needing to wipe, make troubles to teacher; When needs erase the board, rotary pressure plate, pressing plate presses the contiguous block be connected with blackboard eraser, makes blackboard eraser and blackboard close contact, now can word under the drive of motor on auto-erasing blackboard.
As optimization, described driving shaft 4 and driven shaft 5 lay respectively at blackboard about 1 both sides, blackboard eraser horizontal positioned, the convenient pressing plate regulating two ends.
As optimization, described blackboard eraser 2 arranges dust cover 20, can prevent chalk dust in the process of erasing the board from disorderly flying, the most of dust after wiping can not be suspended in the air in dust cover.
Embodiment 1:
A kind of automatic character-erazing blackboard, comprise blackboard 1, blackboard eraser 2 and motor 3, described blackboard 1 side arranges driving shaft 4, relative opposite side arranges the driven shaft 5 parallel with driving shaft 4, described driving shaft 4 and driven shaft 5 are respectively by shaft supporting frame 6 fixed support, and described driving shaft 4 and driven shaft 5 lay respectively at blackboard about 1 both sides.Described driving shaft 4 one end connects motor 3, the first driving wheel 7 and the second driving wheel 8 is installed at described driving shaft 4 two ends respectively, the first driven pulley 9 and the second driven pulley 10 is installed at described driven shaft 5 two ends respectively, between described first driving wheel 7 and the first driven pulley 9, cover has the first belt 11, between described second driving wheel 8 and the second driven pulley 10, cover has the second belt 12, described first belt 11 and the second belt 12 upper surface arrange L-type fixed head 13 respectively, described fixed head 13 vertically arranges spring 14, above two springs 14, is fixedly installed contiguous block 15.Described contiguous block 15 is arranged the first groove 16, described blackboard eraser 2 two ends arrange the second groove 17 mated with the first groove 16, be connected together by the first groove 16 and the second groove 17 between described blackboard eraser 2 and contiguous block 15, and fixed by bolt 18, when blackboard eraser changed by needs time, only need loose bolts conveniently to be disassembled by blackboard eraser, be convenient for changing blackboard eraser.Hinged for making the pressing plate 19 of blackboard eraser 2 and blackboard 1 close contact above described fixed head 13, described pressing plate 19 can rotate along articulated position.When not needing to erase the board, rotary pressure plate makes pressing plate not compress the contiguous block be connected with blackboard, now blackboard eraser is upspring under the action of the spring, do not contact with blackboard, also can not by the word erasing on blackboard even if open motor, maloperation effectively can be avoided to be wiped by the word not needing to wipe, make troubles to teacher; When needs erase the board, rotary pressure plate, pressing plate presses the contiguous block be connected with blackboard eraser, makes blackboard eraser and blackboard close contact, now can word under the drive of motor on auto-erasing blackboard.In the present embodiment, blackboard eraser 2 arranges dust cover.The beneficial effect of the present embodiment is: can prevent chalk dust in the process of erasing the board from disorderly flying by the dust cover arranged, the most of dust after wiping can not be suspended in the air in dust cover.
Claims (3)
1. an automatic character-erazing blackboard, comprise blackboard (1), blackboard eraser (2) and motor (3), it is characterized in that: described blackboard (1) side arranges driving shaft (4), relative opposite side arranges the driven shaft (5) parallel with driving shaft (4), described driving shaft (4) and driven shaft (5) are respectively by shaft supporting frame (6) fixed support, described driving shaft (4) one end connects motor (3), described driving shaft (4) two ends install the first driving wheel (7) and the second driving wheel (8) respectively, described driven shaft (5) two ends install the first driven pulley (9) and the second driven pulley (10) respectively, between described first driving wheel (7) and the first driven pulley (9), cover has the first belt (11), between described second driving wheel (8) and the second driven pulley (10), cover has the second belt (12), described first belt (11) and the second belt (12) upper surface arrange L-type fixed head (13) respectively, described fixed head (13) is vertically arranged spring (14), two spring (14) tops are fixedly installed contiguous block (15), described contiguous block (15) is arranged the first groove (16), described blackboard eraser (2) two ends arrange the second groove (17) mated with the first groove (16), be connected together by the first groove (16) and the second groove (17) between described blackboard eraser (2) and contiguous block (15), and fixed by bolt (18), described fixed head (13) top is hinged for making the pressing plate (19) of blackboard eraser (2) and blackboard (1) close contact, described pressing plate (19) can rotate along articulated position.
2. a kind of automatic character-erazing blackboard according to claim 1, is characterized in that: described driving shaft (4) and driven shaft (5) lay respectively at blackboard (1) both sides up and down.
3. a kind of automatic character-erazing blackboard according to claim 1 and 2, is characterized in that: described blackboard eraser (2) is arranged dust cover (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520628099.XU CN205009833U (en) | 2015-08-19 | 2015-08-19 | Automatic character -cleaning blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520628099.XU CN205009833U (en) | 2015-08-19 | 2015-08-19 | Automatic character -cleaning blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205009833U true CN205009833U (en) | 2016-02-03 |
Family
ID=55208458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520628099.XU Expired - Fee Related CN205009833U (en) | 2015-08-19 | 2015-08-19 | Automatic character -cleaning blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205009833U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626913A (en) * | 2016-11-14 | 2017-05-10 | 平湖市恒莎服装网店 | Cleaning device for writing board |
| CN107199811A (en) * | 2017-04-19 | 2017-09-26 | 张有欢 | A kind of teaching automatic blackboard cleaning device |
| CN107696751A (en) * | 2017-09-30 | 2018-02-16 | 南阳理工学院 | A kind of Chinese lesson teaching aid |
| CN108454277A (en) * | 2018-04-28 | 2018-08-28 | 孙子涵 | A kind of student clean free of contamination blackboard device of automatic character-erazing dust suction |
-
2015
- 2015-08-19 CN CN201520628099.XU patent/CN205009833U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626913A (en) * | 2016-11-14 | 2017-05-10 | 平湖市恒莎服装网店 | Cleaning device for writing board |
| CN107199811A (en) * | 2017-04-19 | 2017-09-26 | 张有欢 | A kind of teaching automatic blackboard cleaning device |
| CN107696751A (en) * | 2017-09-30 | 2018-02-16 | 南阳理工学院 | A kind of Chinese lesson teaching aid |
| CN107696751B (en) * | 2017-09-30 | 2018-08-28 | 南阳理工学院 | A kind of Chinese lesson teaching aid |
| CN108454277A (en) * | 2018-04-28 | 2018-08-28 | 孙子涵 | A kind of student clean free of contamination blackboard device of automatic character-erazing dust suction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160203 Termination date: 20170819 |