CN203246223U - Automatic wiping and turnover blackboard - Google Patents
Automatic wiping and turnover blackboard Download PDFInfo
- Publication number
- CN203246223U CN203246223U CN 201320203671 CN201320203671U CN203246223U CN 203246223 U CN203246223 U CN 203246223U CN 201320203671 CN201320203671 CN 201320203671 CN 201320203671 U CN201320203671 U CN 201320203671U CN 203246223 U CN203246223 U CN 203246223U
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- CN
- China
- Prior art keywords
- blackboard
- worm
- bar
- screw
- erase block
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- 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 wiping and turnover blackboard which comprises a plurality of blackboard bars horizontally arranged in parallel. One end of each blackboard bar is connected with a worm arranged vertically through a worm gear, one end of the worm is connected with a worm drive motor, a wiping block is arranged on one sides of the blackboard bars, an upper guide bar, a screw rod and a lower guide bar are horizontally arranged on the wiping block in parallel, and one end of the screw rod is connected with a screw rod drive motor. A main working face of the blackboard is formed through the fact that multiple sets of the triangular blackboard bars are arranged in parallel, the multiple sets of the blackboard bars can be simultaneously turned over when driven by the corresponding motors, the blackboard is made to have multiple faces for carrying out writing, and the using area of the blackboard is enlarged. Further, an automatic writing wiping and dust collection device is arranged on the reverse face of the blackboard, through the fact that corresponding motors are used for driving, writing on the blackboard turned over to the reverse face can be automatically wiped, flying dust is reduced, and the problems that an existing blackboard needs to be wiped manually and time and energy are wasted are solved.
Description
Technical field
The utility model belongs to the teaching aid technical field, relates to the blackboard of a kind of automatic erasing and upset.
Background technology
In teaching practice, existing normal blackboard usable floor area is limited, in case writing write full after, need to manually wipe, could continue normally use, when classroom blackboard-writing was more, the work that erases the board was wasted time and energy concerning the teacher.
The utility model content
The purpose of this utility model provides the blackboard of a kind of automatic erasing and upset, and is little to solve existing blackboard usable floor area, and need to manually wipe the problem that wastes time and energy.
The technical scheme that the utility model adopts is, the blackboard of a kind of automatic erasing and upset, the working face that comprises the blackboard bar composition blackboard that several levels are set up in parallel, the adjacent edge of each blackboard bar fits tightly, one end of each blackboard bar all is connected with the worm screw that vertically arranges by worm gear, the end of worm screw is connected with the worm drive motor, the two ends of worm screw are equipped with worm bearing, one side of blackboard bar vertically is provided with erase block, level is provided with top guide bar side by side on the erase block, screw rod and lower guide rod, one end of screw rod is connected with the screw drive motor, and the two ends of screw rod are equipped with screw-bearing, and the two ends of top guide bar and lower guide rod are fixed on the matrix respectively.
Characteristics of the present utility model also are,
The blackboard bar comprises that the cross section is the rectangular of equilateral triangle, and rectangular two ends are equipped with back shaft in heart position therein, and cover has spring bearing on the back shaft, and the back shaft of close worm screw is connected with worm screw by worm gear.
The contact-making surface of erase block and several blackboard bars is the equilateral triangle dentation.
Erase block is provided with dust exhaust apparatus.
The beneficial effects of the utility model are, the blackboard of a kind of automatic erasing and upset, the working face that has formed blackboard that is set up in parallel by many covers triangle blackboard bar, again by corresponding motor-driven, many cover blackboard bars simultaneously can overturn, so that blackboard has a plurality of can write, increased the usable floor area of blackboard; And the reverse side of blackboard has been installed the device of automatic erasing out handwriting and dust suction, by motor-driven, can automatically wipe the writing on the blackboard that is turned to the back, has reduced airborne dust, and has solved existing blackboard and need to manually wipe the problem that wastes time and energy.
Description of drawings
Fig. 1 is the front view of the blackboard of a kind of automatic erasing of the utility model and upset;
Fig. 2 is the left view of the blackboard of a kind of automatic erasing of the utility model and upset;
Fig. 3 is the rearview of the blackboard of a kind of automatic erasing of the utility model and upset.
Among the figure, 1. lower guide rod, 2. screw drive motor, 3. screw-bearing, 4. screw rod, 5. top guide bar, 6. back shaft, 7. spring bearing, 8. blackboard bar, 9. erase block, 12. worm bearings, 13. worm gears, 15. worm screws, 17. worm drive motors.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
The utility model provides the blackboard of a kind of automatic erasing and upset, its structure is referring to Fig. 1, Fig. 2 and Fig. 3, the working face that comprises the blackboard bar 8 composition blackboards that several levels are set up in parallel, the adjacent edge of each blackboard bar 8 fits tightly, one end of each blackboard bar 8 all is connected with the worm screw 15 that vertically arranges by worm gear 13, the end of worm screw 15 is connected with worm drive motor 17, the two ends of worm screw 15 are equipped with worm bearing 12, one side of blackboard bar 8 vertically is provided with erase block 9, level is provided with top guide bar 5 side by side on the erase block 9, screw rod 4 and lower guide rod 1, one end of screw rod 4 is connected with screw drive motor 2, the two ends of screw rod 4 are equipped with screw-bearing 3, and the two ends of top guide bar 5 and lower guide rod 1 are fixed on the matrix respectively.
Wherein, blackboard bar 8 comprises that the cross section is the rectangular of equilateral triangle, rectangular two ends therein heart position are equipped with back shaft 6, cover has spring bearing 7 on the back shaft 6, back shaft 6 near worm screw 15 is connected with worm screw 15 by worm gear 13, erase block 9 is the equilateral triangle dentation with the contact-making surface of several blackboard bars 8, and erase block 9 is provided with dust exhaust apparatus.
As shown in Figure 1, the cross sectional shape of blackboard bar 8 is equilateral triangle, the length of side that is each limit is identical, its three face lengths bar shaped surfacing is blackboard material, can write thereon, both ends of the surface center at triangle blackboard 8 is fixedly connected with respectively back shaft 6, utilizes spring bearing 7 to come the rotation of supported axle 6, and limits its axial float; 6, two spring bearings 7 of two back shafts, blackboard bar 8, worm gear 13 form a cover blackboard turning device, and the utility model adopts some cover blackboard bar 8 turning devices, forms the turning device of monoblock blackboard, and each overlaps blackboard turning device relative position and concerns as follows:
1. respectively overlap blackboard bar 8 horizontal directions of turning device and arrange, the parallel to each other and alignment of the working face of each blackboard bar 8, the edge of each working face and the EDGE CONTACT of Adjacent Working Face form a monoblock plane so that respectively overlap the working face of blackboard bar 8, for writing;
2, the end face of each blackboard bar 8 parallel and the alignment;
3, the back shaft 6 that respectively overlaps the homonymy of turning device distributes in same perpendicular, and each center of overlapping the worm gear 13 of turning device distributes at same vertical direction.
Such as Fig. 2, shown in Figure 3, one side of erase block 9 is rectangle, itself and blackboard bar 8 adjacent sides are triangle dentation structure, its leg-of-mutton tooth is 60 °, the triangle edges appearance of the length of side of lance tooth and triangle blackboard bar 8 is same, its lance tooth be embedded in two two triangle blackboard bars 8 between, and fit tightly with the back of triangle blackboard bar 8.
The lower guide rod 1 that arranges on the erase block 9, top guide bar 5 along continuous straight runs distribute, and both in the vertical directions are parallel fixing, and screw rod 4 along continuous straight runs are placed, the two ends of screw-bearing 3 studdles 4, so that screw rod 4 can rotate, and axial float does not occur, and screw drive motor 2 is affixed with screw rod 4 one ends, penetrates respectively top guide bar 5 and lower guide rod 1 in the upper and lower hole of erase block 9, screw rod 4 is threaded with the screwed hole of erase block 9, and namely screw rod 4 forms screw pair with erase block 9.When screw drive motor 2 rotates, screw rod 1 rotates, so that erase block 9 horizontal direction under the guiding of top guide bar 5, lower guide rod 1 moves, because the triangle flank of tooth of erase block 9 and the trailing flank of triangle blackboard bar 8 are fitted, when erase block 9 moves, can wipe the writing of triangle blackboard bar 8 latter two sides, and, dust catcher can be installed, the dust that drops in the time of so just can siphoning away erase block 9 erasing out handwriting in the erase block 9.
The blackboard of a kind of automatic erasing of the utility model and upset is when work, the whole blackboard that many cover blackboard bars 8 form provides a smooth blackboard working face, be used for normal teaching writing, and erase block 9 is placed on the centre position of blackboard bar 8, because erase block 9 fits tightly with the blackboard bar, so that 9 pairs of blackboard bars 8 of erase block have fixing, locking effect; Because blackboard bar 8 adopts the Worm Wheel System modes, and Worm Wheel System has stronger self-locking performance, guarantee the working face of blackboard when writing again, stressed free rotation phenomenon do not occur but; Applying and these two kinds of locking modes of worm and gear of erase block 9 and blackboard bar 8 have guaranteed to be conducive to the work of writing normally so that free rotation does not occur the blackboard working face when being subjected to external force.
When the needs turnover blackboard, control screw drive motor 2 rotates counterclockwise, so that erase block 9 is to worm gear 13 translations on one side, screw drive motor 2 clockwise rotates again, so that, moving to erase block 9 to one side translation of screw drive motor 2 always, erase block 9 breaks away from applying fully with blackboard bar 8.At this moment, 9 pairs of blackboard bars of erase block 8 have carried out auto-erasing, and removed the locking of 9 pairs of blackboard bars 8 of erase block, clockwise rotate worm drive motor 17 this moment, rotate synchronously so that respectively overlap the worm gear 13 of blackboard bar 8 correspondences, when the triangle of each cover blackboard bar 8 is rectangular when turning over 60 °, worm drive motor 17 stops operating, screw drive motor 2 continues to rotate counterclockwise subsequently, so that holding level with both hands to worm gear 13, moves erase block 9, when erase block 9 moves to shown in 1 figure triangle blackboard centre position, stop, this moment blackboard working face by wiping, can re-start and write use.In like manner, when needing again turnover blackboard, thereby can finish by the rotation of controlling respectively two motors the step of above-mentioned automatic turning blackboard and Automatic erasing blackboard.
A kind of automatic erasing that the utility model provides and the blackboard of upset, the working face that has formed blackboard that is set up in parallel by many covers triangle blackboard bar 8, again by corresponding motor-driven, many cover blackboard bars 8 simultaneously can overturn, so that blackboard has a plurality of can write, increased the usable floor area of blackboard; And the reverse side of blackboard has been installed the device of automatic erasing out handwriting and dust suction, by corresponding motor-driven, can automatically wipe the writing on the blackboard that is turned to the back, reduced airborne dust, and solved existing blackboard and need to manually wipe the problem that wastes time and energy.
Claims (5)
1. the blackboard of an automatic erasing and upset, it is characterized in that, the working face that comprises blackboard bar (8) the composition blackboard that several levels are set up in parallel, the adjacent edge of each blackboard bar (8) fits tightly, one end of each blackboard bar (8) all is connected with the worm screw (15) that vertically arranges by worm gear (13), the end of worm screw (15) is connected with worm drive motor (17), the two ends of worm screw (15) are equipped with worm bearing (12), one side of described blackboard bar (8) vertically is provided with erase block (9), the upper level of erase block (9) is provided with top guide bar (5) side by side, screw rod (4) and lower guide rod (1), one end of described screw rod (4) is connected with screw drive motor (2), the two ends of screw rod (4) are equipped with screw-bearing (3), and the two ends of described top guide bar (5) and lower guide rod (1) are fixed on the matrix respectively.
2. the blackboard of a kind of automatic erasing as claimed in claim 1 and upset, it is characterized in that, described blackboard bar (8) comprises that the cross section is the rectangular of equilateral triangle, rectangular two ends therein heart position are equipped with back shaft (6), the upper cover of back shaft (6) has spring bearing (7), and the back shaft (6) of close worm screw (15) is connected with worm screw (15) by worm gear (13).
3. the blackboard of a kind of automatic erasing as claimed in claim 2 and upset is characterized in that, described erase block (9) is the equilateral triangle dentation with the contact-making surface of several blackboard bars (8).
4. the blackboard of a kind of automatic erasing as claimed in claim 1 or 2 and upset is characterized in that, described erase block (9) is provided with dust exhaust apparatus.
5. the blackboard of a kind of automatic erasing as claimed in claim 3 and upset is characterized in that, described erase block (9) is provided with dust exhaust apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320203671 CN203246223U (en) | 2013-04-19 | 2013-04-19 | Automatic wiping and turnover blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320203671 CN203246223U (en) | 2013-04-19 | 2013-04-19 | Automatic wiping and turnover blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203246223U true CN203246223U (en) | 2013-10-23 |
Family
ID=49372680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320203671 Expired - Fee Related CN203246223U (en) | 2013-04-19 | 2013-04-19 | Automatic wiping and turnover blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203246223U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103625173A (en) * | 2013-12-06 | 2014-03-12 | 安徽理工大学 | Novel three-side-reversible blackboard |
| CN103802551A (en) * | 2014-01-22 | 2014-05-21 | 洛阳理工学院 | Blackboard with three surfaces capable of being turned |
| CN106142927A (en) * | 2016-09-23 | 2016-11-23 | 杭州富阳尚科科技有限公司 | Triangle roller three scribbles the assembled blackboard of cleaning automatically in plate face |
| CN106142928A (en) * | 2016-09-23 | 2016-11-23 | 杭州富阳尚科科技有限公司 | A kind of vertical Wiping-free blackboard imparted knowledge to students |
| CN113212039A (en) * | 2021-05-23 | 2021-08-06 | 安徽米未教育科技有限责任公司 | Automatic blackboard wiping device capable of avoiding dust |
| CN113276584A (en) * | 2021-01-20 | 2021-08-20 | 河南应用技术职业学院 | Multimedia teaching device |
-
2013
- 2013-04-19 CN CN 201320203671 patent/CN203246223U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103625173A (en) * | 2013-12-06 | 2014-03-12 | 安徽理工大学 | Novel three-side-reversible blackboard |
| CN103802551A (en) * | 2014-01-22 | 2014-05-21 | 洛阳理工学院 | Blackboard with three surfaces capable of being turned |
| CN106142927A (en) * | 2016-09-23 | 2016-11-23 | 杭州富阳尚科科技有限公司 | Triangle roller three scribbles the assembled blackboard of cleaning automatically in plate face |
| CN106142928A (en) * | 2016-09-23 | 2016-11-23 | 杭州富阳尚科科技有限公司 | A kind of vertical Wiping-free blackboard imparted knowledge to students |
| CN106142928B (en) * | 2016-09-23 | 2018-05-25 | 杭州富阳尚科科技有限公司 | A kind of vertical Wiping-free blackboard of teaching |
| CN113276584A (en) * | 2021-01-20 | 2021-08-20 | 河南应用技术职业学院 | Multimedia teaching device |
| CN113212039A (en) * | 2021-05-23 | 2021-08-06 | 安徽米未教育科技有限责任公司 | Automatic blackboard wiping device capable of avoiding dust |
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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: 20131023 Termination date: 20160419 |