CN203592828U - Novel three-surface turning-over type blackboard - Google Patents
Novel three-surface turning-over type blackboard Download PDFInfo
- Publication number
- CN203592828U CN203592828U CN201320798081.5U CN201320798081U CN203592828U CN 203592828 U CN203592828 U CN 203592828U CN 201320798081 U CN201320798081 U CN 201320798081U CN 203592828 U CN203592828 U CN 203592828U
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- blackboard
- bar
- novel
- stepper motor
- blackboards
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Abstract
The utility model discloses a novel three-surface turning-over type blackboard. The novel three-surface turning-over type blackboard comprises a plurality of blackboard strips which are arranged side by side in the vertical direction, wherein different stepping motors are controlled through corresponding stepping motor controllers, synchronous turning-over of the blackboard strips can be achieved, and therefore the blackboard has three surfaces on which words can be written, and the effective using area of the blackboard is enlarged. Besides, an erasing block which can be used for erasing automatically and is provided with a dust absorbing device is arranged on the back surface of the blackboard and is driven by the corresponding stepping motor, the two ends of the erasing block of the blackboard are clamped in vertical sliding grooves of two side plates respectively and can move vertically, the words on the surface, turned to the back, of the blackboard can be erased automatically, the phenomenon that dust is raised is avoided, and the problems that an existing blackboard needs erasing manually, time and labor are wasted, labor intensity is high, and the dust will cause harm to the human body.
Description
Technical field
The utility model belongs to teaching aid technical field, relates in particular to a kind of novel three surface overturning blackboards.
Background technology
At present, the normal blackboard usable floor area that is widely used in school is limited, needs artificial wiping again and again, could continue use, and this had both wasted teacher's quality time, had increased again labour intensity, and when manual wipping, dust can cause certain injury to people's skin.
Summary of the invention
The problems such as the purpose of this utility model is to provide a kind of novel three surface overturning blackboards, limited to solve existing blackboard usable floor area, and needs manual wipping, wastes time and energy, and dust is harmful.
The technical scheme that the utility model adopts is, a kind of novel three surface overturning blackboards, it is characterized in that, comprise stepper motor and controllor for step-by-step motor, stepper motor of a controllor for step-by-step motor control rotates, a stepper motor output shaft control cross bar, the turning cylinder of each blackboard bar of cross bar control, the lower end of blackboard bar is to be connected with base plate by bearing; The output shaft of described No. two stepper motors is connected with active rotation wheel, connect driven moving runner by belt, fork one end connects driven moving runner, slide in one end in horizontal concrete chute, and then drive blackboard eraser boss to move up and down, the two ends of blackboard eraser boss are all stuck in the vertical chute of two side plates, can move up and down.
The blackboard bar that described blackboard working face is vertically arranged by several forms, each blackboard bar comprises that cross section is the triangular prism of equilateral triangle, the center, two ends of triangular prism is provided with turning cylinder, there is wear-resistant sleeve turning cylinder upper end, there is bearing the lower end of turning cylinder, and stepper motor drives the synchronous rotation of blackboard bar by linkage.
Described wiping block is arranged on the blackboard back side, and the contact-making surface of wiping block and blackboard bar is plane, is provided with dust exhaust apparatus on wiping block.
On a described stepper motor and No. two stepper motors, controllor for step-by-step motor is all installed.
The beneficial effects of the utility model are, a kind of novel three surface overturning blackboards, by some triangular prism shaped blackboard bar composition blackboard working faces, driven by bar linkage structure by corresponding stepper motor, can realize the synchronous rotation of blackboard bar, make blackboard have three faces can carry out writing on the blackboard and give lessons, increased the usable floor area of blackboard; And at the back side of blackboard, blackboard eraser boss and dust exhaust apparatus are installed, can the no writing on the blackboard of automatic erasing, the dust producing when wiping is absorbed by dust exhaust apparatus, reduce dust raising phenomenon, avoid human body to damage, and solved existing blackboard and need manual wipping, waste time and energy, increase the problems such as labour intensity.
Accompanying drawing explanation
Fig. 1 is three-dimensional structure schematic diagram of the present utility model;
Fig. 2 is front view of the present utility model and top view;
Fig. 3 is rearview of the present utility model.
Number in the figure: a 1. stepper motor, a 2. controllor for step-by-step motor, 3. cross bar, 4. turning cylinder, 5. transverse slat, 6. wear-resistant sleeve, 7. side plate, 8. blackboard bar, 9. base plate, 10. bearing, 11. No. two stepper motors, 12. No. two controllor for step-by-step motor, 13. active rotation wheels, 14. belts, 15. vertical chutes, 16. wiping blocks, 17. forks, 18. driven moving runners, 19. horizontal concrete chutes.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
The utility model provides a kind of three surface overturning blackboards, its structure is referring to Fig. 1, Fig. 2 and Fig. 3, comprise stepper motor and controllor for step-by-step motor, a controllor for step-by-step motor 2 is controlled a stepper motor 1 and is rotated, a stepper motor 1 output shaft control cross bar 3, cross bar 3 is controlled the turning cylinder 4 of each blackboard bar 8, realizes it and synchronously rotates, and the lower end of blackboard bar 8 is to be connected with base plate 9 by bearing 10; No. two controllor for step-by-step motor 12 is arranged on No. two stepper motors 11, output shaft connects active rotation wheel 13, connect driven moving runner 18 by belt 14, fork 17 one end connect driven moving runner 18, slide in one end in horizontal concrete chute 19, and then driving blackboard eraser boss 16 to move up and down, the two ends of blackboard eraser boss 16 are all stuck in the vertical chute 15 of two side plates, can move up and down.
Wherein, the blackboard bar 8 that blackboard working face is vertically arranged by several forms, each blackboard bar 8 comprises that cross section is the triangular prism of equilateral triangle, the center, two ends of triangular prism is provided with turning cylinder 4, there is wear-resistant sleeve 6 turning cylinder 4 upper ends, wear-resistant sleeve 6 is arranged in transverse slat 5, and the lower end of turning cylinder 4 has 10, numbers stepper motors 1 of bearing to drive the synchronous rotation of blackboard bar 8 by linkage.
On a stepper motor 1 and No. two stepper motors 11, controllor for step-by-step motor is all installed, No. one controllor for step-by-step motor 2 can be by controlling a stepper motor 1, realize the upset of three surface overturning blackboards, No. two controllor for step-by-step motor 12 can, by controlling No. two stepper motors 11, be realized the effect of wiping block 16 Automatic erasing blackboards.
The utility model provides a kind of novel three surface overturning blackboards, control different stepper motors by corresponding controllor for step-by-step motor, can realize the synchronous upset of several blackboard bars, make blackboard have three faces can write writing on the blackboard, increase effective usable floor area of blackboard, and having installed at blackboard reverse side can automatic erasing and the wiping block of dust adsorption device, drive by corresponding stepper motor, can realize automatically the blackboard being turned to is below carried out to writing wiping, avoid dust raising phenomenon, and solve existing blackboard and needed manual wipping, waste time and energy, labour intensity is large, dust is known from experience the problems such as injury to people.
Claims (4)
1. novel three surface overturning blackboards, it is characterized in that, comprise stepper motor and controllor for step-by-step motor, stepper motor of a controllor for step-by-step motor control rotates, a stepper motor output shaft control cross bar, the turning cylinder of each blackboard bar of cross bar control, the lower end of blackboard bar is to be connected with base plate by bearing; The output shaft of described No. two stepper motors is connected with active rotation wheel, connect driven moving runner by belt, fork one end connects driven moving runner, slide in one end in horizontal concrete chute, and then drive blackboard eraser boss to move up and down, the two ends of blackboard eraser boss are all stuck in the vertical chute of two side plates, can move up and down.
2. novel three surface overturning blackboards as claimed in claim 1, it is characterized in that, the blackboard bar that described blackboard working face is vertically arranged by several forms, each blackboard bar comprises that cross section is the triangular prism of equilateral triangle, the center, two ends of triangular prism is provided with turning cylinder, there is wear-resistant sleeve turning cylinder upper end, and there is bearing the lower end of turning cylinder, and stepper motor drives the synchronous rotation of blackboard bar by linkage.
3. novel three surface overturning blackboards as claimed in claim 2, is characterized in that, described wiping block is arranged on the blackboard back side, and the contact-making surface of wiping block and blackboard bar is plane, is provided with dust exhaust apparatus on wiping block.
4. novel three surface overturning blackboards as claimed in claim 3, is characterized in that, on a described stepper motor and No. two stepper motors, controllor for step-by-step motor are all installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320798081.5U CN203592828U (en) | 2013-12-06 | 2013-12-06 | Novel three-surface turning-over type blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320798081.5U CN203592828U (en) | 2013-12-06 | 2013-12-06 | Novel three-surface turning-over type blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203592828U true CN203592828U (en) | 2014-05-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320798081.5U Expired - Fee Related CN203592828U (en) | 2013-12-06 | 2013-12-06 | Novel three-surface turning-over type blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203592828U (en) |
Cited By (3)
| 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 |
| CN104070892A (en) * | 2014-06-27 | 2014-10-01 | 华东交通大学 | Rotation type triangular prism intelligence blackboard based on electronic control |
| CN108357246A (en) * | 2018-01-26 | 2018-08-03 | 上海市格致中学 | A kind of three face rotary extension blackboards |
-
2013
- 2013-12-06 CN CN201320798081.5U patent/CN203592828U/en not_active Expired - Fee Related
Cited By (3)
| 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 |
| CN104070892A (en) * | 2014-06-27 | 2014-10-01 | 华东交通大学 | Rotation type triangular prism intelligence blackboard based on electronic control |
| CN108357246A (en) * | 2018-01-26 | 2018-08-03 | 上海市格致中学 | A kind of three face rotary extension blackboards |
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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 |
Granted publication date: 20140514 Termination date: 20141206 |
|
| EXPY | Termination of patent right or utility model |