CN203752741U - Regular triangular prism-shaped turnover blackboard device - Google Patents
Regular triangular prism-shaped turnover blackboard device Download PDFInfo
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- CN203752741U CN203752741U CN201420174781.1U CN201420174781U CN203752741U CN 203752741 U CN203752741 U CN 203752741U CN 201420174781 U CN201420174781 U CN 201420174781U CN 203752741 U CN203752741 U CN 203752741U
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- triangular prism
- regular triangular
- blackboard
- turnover
- rotation
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Abstract
The utility model discloses a regular triangular prism-shaped turnover blackboard device. The regular triangular prism-shaped turnover blackboard device comprises a plurality of regular triangular prisms and a turnover controlling mechanism for controlling the rotation of the regular triangular prisms, wherein the regular triangular prisms are mounted in parallel and have coincident rotating angles, the turnover controlling mechanism comprises a turnover controlling motor and a rotary turnover controlling rod located at one side of the regular triangular prisms, the output end of the turnover controlling motor is connected with the rotary turnover controlling rod and capable of driving the rotary turnover controlling rod to rotate, a drive bevel gear firmly sleeves the rotary turnover controlling rod corresponding to each regular triangular prism and drives a corresponding driven bevel gear in a meshing mode, and the driven bevel gear is connected with the corresponding regular triangular prism and capable of driving the corresponding regular triangular prism to rotate. The regular triangular prism-shaped turnover blackboard device increases the writing area, is convenient to keep the contents, is simple in structure, is good in triangular prism control synchronization, is capable of better guaranteeing the blackboard surface flatness so as to facilitate writing, is capable of automatically cleaning the blackboard, and is stable and reliable in cleaning.
Description
Technical field
The utility model relates to a kind of teaching aid, especially regular triangular prism turnover blackboard device.
Background technology
Traditional blackboard is the flat tactic pattern being directly fixedly installed on wall.Existence is can write area less, can not retain the defects such as writing on the blackboard.
The utility model of China's number of patent application 200420076886 once disclosed a kind of turn up type combined structure blackboard, its structure is made up of multiple tri-prismoids, chain mechanism, dentation steady pin and the support of bearing, multiple tri-prismoids of central shaft simultaneously, from top to bottom, continuous horizontal setting one by one, one end of each axle is connected with the support of bearing, and the gear of the other end of axle and chain mechanism is affixed, and steady pin is dentation.The design is equivalent to by continuous of forming of a narrow and long rectangular plate face of each triangular prism of multiple triangular prisms the large rectangle blackboard panel that standard classroom instruction is used.By chain mechanism driving, can make the upset of triangular prism faceted pebble form a new rectangle plane.Can improve blackboard writing area, retain writing on the blackboard; But still there is following defect.
1, in this device, controlling tri-prismoid upset controls by link chain mechanism, chain is certainly as flexible structure, chain easily increases because each chain link wear cumulation causes entire length simultaneously, make the synchronous degree of control of triangular prism be difficult to ensure, after upset, blackboard surface smoothness is inadequate, writes inconvenience.2, this device does not have the function of blackboard automatic erasing.
Utility model content
For above-mentioned the deficiencies in the prior art, the technical problems to be solved in the utility model is, how to provide a kind of simple in structure, triangular prism control is synchronously spent, ensure that plate face is smooth, write regular triangular prism turnover blackboard device easily, further make it have blackboard automatic erasing function, so that blackboard-cleaning simultaneously.
In order to solve the problems of the technologies described above, in the utility model, adopt following technical scheme.
A kind of regular triangular prism turnover blackboard device, comprise multiple being set up in parallel and regular triangular prism that the anglec of rotation is consistent, regular triangular prism two ends are rotatably mounted fixing, three side surfaces of regular triangular prism are the face for writing, also comprise the turning control mechanism for controlling regular triangular prism rotation, regular triangular prism can turn to a side surface linking and be connected to form a smooth writing surface, it is characterized in that, described turning control mechanism, comprise the upset control motor and the upset control bull stick that are positioned at regular triangular prism one side, upset is controlled motor output end and is connected and can drives its rotation with upset control bull stick, on described upset control bull stick, corresponding each regular triangular prism position fixed cover is provided with drive bevel gear, drive bevel gear and a corresponding driven wheel of differential engaged transmission, driven wheel of differential is connected with corresponding regular triangular prism and can drives its rotation.
In the blackboard device of this programme, turning control mechanism, controls driven by motor upset by upset and controls bull stick rotation, then drives regular triangular prism synchronous rotary by the cooperation of bevel gear, and then realizes quickly and easily the turn-over conversion of regular triangular prism.Compared to the prior art, this programme is simple in structure, and the synchronous degree of triangular prism control is very good, can ensure the smooth of plate face, makes to write conveniently.
As the one optimization of such scheme, also comprise blackboard-cleaning mechanism, described blackboard-cleaning mechanism, comprise the leading screw that is set in parallel in regular triangular prism rear one side (rightabout of regular triangular prism writing surface when rear refers to the use of this device), it is the power intake that is connected with spindle motor that leading screw two ends are rotatably mounted fixing and one end, on leading screw, coordinate and be connected with a nut, on nut, be fixedly connected with a blackboard eraser, the wiping surface of blackboard eraser and regular triangular prism rear one side surface are affixed, the end of leading screw has one section of room stay segment that exceeds regular triangular prism length, when being positioned at room stay segment, nut can make blackboard eraser avoid the interference to regular triangular prism rotation, leading screw one side is also arranged with a locating part in parallel, locating part and nut or blackboard eraser are affixed and for limiting the rotation of nut.
After optimizing like this, the upset of clipboard face can lean on blackboard-cleaning mechanism that blackboard-cleaning is clean after being switched to rear, and when blackboard-cleaning mechanism does not work, nut is positioned in the room stay segment of leading screw, avoids the interference to regular triangular prism rotation; When blackboard-cleaning mechanism works, by the work of switch control spindle motor, leading screw rotarily drives nut along leading screw translation, completes the wiping of corresponding clipboard face, and after wiping, nut is got back to and in the stay segment of room, do not interfered rotate the next time of triangular prism.Like this, can realize the automatic erasing of blackboard.Meanwhile, adopt screw-nut body to realize the movement of blackboard eraser, wiping process is slower, can ensure that stable drive is reliable, ensures wiping effect, is while adopting chalk-writing, to avoid the wiping larger dust of kicking up when writing simultaneously.
As optimization, regular triangular prism three side surfaces adopt white soft magnet plate material to make.Like this, write and can adopt corresponding thick water-color paintbrush to replace chalk, to avoid dust raising phenomenon.
As optimization, in described turning control mechanism, upset is controlled between motor output end and upset control bull stick and is connected by shaft coupling.Can convenient for assemblyly connect like this, ensure reliable transmission.
As optimization, between described driven wheel of differential and regular triangular prism, be provided with a clutch and can drive regular triangular prism rotation by clutch, the end, one end that described regular triangular prism deviates from clutch is provided with the electromagnetic brake for regular triangular prism braking.
After optimizing like this, the setting of clutch, makes this blackboard device, can control separately needed triangular prism and be rotated turn-over, and blackboard is skilfully used more flexibly.Meanwhile, the setting of electromagnetic brake, after clutch is disconnected, further by brake braking, avoids clutch to disconnect rear triangular prism and causes triangular prism to lose the synchronism of angle control because inertia produces rotation, makes its control more reliable and stable.
As optimization, regular triangular prism is installed in a frame for installing, in described frame for installing, be also provided with fixing clipboard, fixing clipboard is positioned at turning control mechanism front, fixing clipboard surface and triangular prism writing surface are connected for same plane, and frame for installing lower position is also provided with the shift knob for controlling.
Like this, be beneficial to more fully space, the button that simultaneously goes into operation is positioned at frame for installing bottom can facilitate control operation.
In sum, the utility model adopts triangular prism structure to improve write area and convenient reservation writing on the blackboard, also have simple in structure simultaneously, the extraordinary advantage of the synchronous degree of triangular prism control, can ensure better the smooth of plate face, make to write conveniently, realized the automatic erasing of blackboard, and wiping is reliable and stable simultaneously.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of an independent blackboard-cleaning mechanism in Fig. 1.
The structural representation on blackboard surface when Fig. 3 is the utility model enforcement.
In figure: the 1st, motor is controlled in upset, the 2nd, shaft coupling, 3,7,10 is three drive bevel gear, 4,8,11 is three clutches, the 5th, bull stick is controlled in upset, and 6,9,12 is three spindle motors, and 13,16,19 is three regular triangular prisms, 14,17,20 is three leading screw fixed bearings, and 15,18,21 is three electromagnetic brakes; The 24th, leading screw, 26 is nut, and 25 is blackboard eraser, and 22 is frame for installing, and 23 is fixing clipboard, 27 is shift knob.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1-Figure 3, a kind of regular triangular prism turnover blackboard device, comprise multiple being set up in parallel and regular triangular prism 13 that the anglec of rotation is consistent, 16, 19, regular triangular prism two ends are rotatably mounted fixing, three side surfaces of regular triangular prism are the face for writing, also comprise the turning control mechanism for controlling regular triangular prism rotation, regular triangular prism can turn to a side surface linking and be connected to form a smooth writing surface, described turning control mechanism, comprise the upset control motor 1 and the upset control bull stick 5 that are positioned at regular triangular prism one side, upset is controlled motor 1 output and is connected and can drives its rotation by shaft coupling 2 and upset control bull stick 5, on described upset control bull stick 5, corresponding each regular triangular prism position fixed cover is provided with drive bevel gear 3, 7, 10, drive bevel gear and a corresponding driven wheel of differential engaged transmission, driven wheel of differential is connected with corresponding regular triangular prism and can drives its rotation.When concrete enforcement, upset is controlled motor 1 and is adopted servomotor to be beneficial to accurately control output.
Wherein also comprise blackboard-cleaning mechanism, described blackboard-cleaning mechanism, comprise the leading screw 24 that is set in parallel in regular triangular prism rear one side (rightabout of regular triangular prism writing surface when rear refers to the use of this device), leading screw 24 two ends are rotatably mounted fixing and one end for being connected with spindle motor 6, 9, 12 power intake, on leading screw, coordinate and be connected with a nut 26, on nut, be fixedly connected with a blackboard eraser 25, the wiping surface of blackboard eraser 25 and regular triangular prism rear one side surface are affixed, the end of leading screw 24 has one section of room stay segment that exceeds regular triangular prism length, when being positioned at room stay segment, nut 26 can make blackboard eraser avoid the interference to regular triangular prism rotation, leading screw one side is also arranged with a locating part (not showing in locating part figure) in parallel, locating part and nut or blackboard eraser are affixed and for limiting the rotation of nut.
Wherein regular triangular prism three side surfaces adopt white soft magnet plate material to make.
Between wherein said driven wheel of differential and regular triangular prism, be provided with a clutch 4,8,11 and can drive regular triangular prism rotation by clutch, the end, one end that described regular triangular prism deviates from clutch is provided with the electromagnetic brake 15,18,21 for regular triangular prism braking.
Wherein regular triangular prism is installed in a frame for installing 22, in described frame for installing 22, be also provided with fixing clipboard 23, fixing clipboard 23 is positioned at turning control mechanism front, fixing clipboard 23 surfaces and triangular prism writing surface are connected for same plane, and frame for installing 22 lower positions are also provided with the shift knob 27 for controlling.
Above-mentioned blackboard device uses while needing turn-over, controls driven by motor upset control bull stick rotation by upset, then drives regular triangular prism synchronous rotary by the cooperation of bevel gear, and then realizes quickly and easily the turn-over conversion of regular triangular prism.After the upset of clipboard face is switched to rear, can lean on blackboard-cleaning mechanism that blackboard-cleaning is clean, when blackboard-cleaning mechanism does not work, nut is positioned in the room stay segment of leading screw, avoids the interference to regular triangular prism rotation; When blackboard-cleaning mechanism works, by the work of switch control spindle motor, leading screw rotarily drives nut along leading screw translation, completes the wiping of corresponding clipboard face, and after wiping, nut is got back to and in the stay segment of room, do not interfered rotate the next time of triangular prism.Like this, can realize the automatic erasing of blackboard.In switching mechanism, the setting of clutch, makes this blackboard device, can control separately needed triangular prism and be rotated turn-over, and blackboard is skilfully used more flexibly.Meanwhile, the setting of electromagnetic brake, after clutch is disconnected, further by brake braking, avoids clutch to disconnect rear triangular prism and causes triangular prism to lose the synchronism of angle control because inertia produces rotation, makes its control more reliable and stable.The realization of above-mentioned control section, is ripe existing electronic control technology, therefore not at this detailed description.
Claims (6)
1. a regular triangular prism turnover blackboard device, comprise multiple being set up in parallel and regular triangular prism that the anglec of rotation is consistent, regular triangular prism two ends are rotatably mounted fixing, three side surfaces of regular triangular prism are the face for writing, also comprise the turning control mechanism for controlling regular triangular prism rotation, regular triangular prism can turn to a side surface linking and be connected to form a smooth writing surface, it is characterized in that, described turning control mechanism, comprise the upset control motor and the upset control bull stick that are positioned at regular triangular prism one side, upset is controlled motor output end and is connected and can drives its rotation with upset control bull stick, on described upset control bull stick, corresponding each regular triangular prism position fixed cover is provided with drive bevel gear, drive bevel gear and a corresponding driven wheel of differential engaged transmission, driven wheel of differential is connected with corresponding regular triangular prism and can drives its rotation.
2. regular triangular prism turnover blackboard device as claimed in claim 1, it is characterized in that, also comprise blackboard-cleaning mechanism, described blackboard-cleaning mechanism, comprise the leading screw that is set in parallel in regular triangular prism rear one side, it is the power intake that is connected with spindle motor that leading screw two ends are rotatably mounted fixing and one end, on leading screw, coordinate and be connected with a nut, on nut, be fixedly connected with a blackboard eraser, the wiping surface of blackboard eraser and regular triangular prism rear one side surface are affixed, the end of leading screw has one section of room stay segment that exceeds regular triangular prism length, when being positioned at room stay segment, nut can make blackboard eraser avoid the interference to regular triangular prism rotation, leading screw one side is also arranged with a locating part in parallel, locating part and nut or blackboard eraser are affixed and for limiting the rotation of nut.
3. regular triangular prism turnover blackboard device as claimed in claim 1, is characterized in that, regular triangular prism three side surfaces adopt white soft magnet plate material to make.
4. regular triangular prism turnover blackboard device as claimed in claim 1, is characterized in that, in described turning control mechanism, upset is controlled between motor output end and upset control bull stick and is connected by shaft coupling.
5. regular triangular prism turnover blackboard device as claimed in claim 1, it is characterized in that, between described driven wheel of differential and regular triangular prism, be provided with a clutch and can drive regular triangular prism rotation by clutch, the end, one end that described regular triangular prism deviates from clutch is provided with the electromagnetic brake for regular triangular prism braking.
6. regular triangular prism turnover blackboard device as claimed in claim 1, it is characterized in that, regular triangular prism is installed in a frame for installing, in described frame for installing, be also provided with fixing clipboard, fixing clipboard is positioned at turning control mechanism front, fixing clipboard surface and triangular prism writing surface are connected for same plane, and frame for installing lower position is also provided with the shift knob for controlling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420174781.1U CN203752741U (en) | 2014-04-11 | 2014-04-11 | Regular triangular prism-shaped turnover blackboard device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420174781.1U CN203752741U (en) | 2014-04-11 | 2014-04-11 | Regular triangular prism-shaped turnover blackboard device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203752741U true CN203752741U (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420174781.1U Expired - Fee Related CN203752741U (en) | 2014-04-11 | 2014-04-11 | Regular triangular prism-shaped turnover blackboard device |
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| Country | Link |
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| CN (1) | CN203752741U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104742603A (en) * | 2015-03-23 | 2015-07-01 | 常州大学 | Three-turning-face multifunctional blackboard |
| CN106827884A (en) * | 2017-04-20 | 2017-06-13 | 武汉轻工大学 | A kind of blackboard and blackboard device |
| CN107379763A (en) * | 2017-07-16 | 2017-11-24 | 合肥岸鲁意科技有限公司 | A kind of combined flat plate type digital ink-jetting printing machine and printing method |
| CN108515791A (en) * | 2018-04-17 | 2018-09-11 | 洛阳理工学院 | A kind of literature teaching contrast learning device |
| CN108814113A (en) * | 2018-09-20 | 2018-11-16 | 甘峰 | A kind of novel intelligent mattress of adjustable comfort level |
| CN109493691A (en) * | 2019-01-18 | 2019-03-19 | 杭州职业技术学院 | A kind of multifunction teaching displaying device for electronic information publication |
| CN110001243A (en) * | 2019-04-23 | 2019-07-12 | 长沙宁湖机械设备有限公司 | A kind of three face rotary type dust-free blackboards |
| CN113829786A (en) * | 2021-06-24 | 2021-12-24 | 袁东粲 | Whiteboard ink mark partition self-wiping method |
-
2014
- 2014-04-11 CN CN201420174781.1U patent/CN203752741U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104742603A (en) * | 2015-03-23 | 2015-07-01 | 常州大学 | Three-turning-face multifunctional blackboard |
| CN106827884A (en) * | 2017-04-20 | 2017-06-13 | 武汉轻工大学 | A kind of blackboard and blackboard device |
| CN107379763A (en) * | 2017-07-16 | 2017-11-24 | 合肥岸鲁意科技有限公司 | A kind of combined flat plate type digital ink-jetting printing machine and printing method |
| CN108515791A (en) * | 2018-04-17 | 2018-09-11 | 洛阳理工学院 | A kind of literature teaching contrast learning device |
| CN108814113A (en) * | 2018-09-20 | 2018-11-16 | 甘峰 | A kind of novel intelligent mattress of adjustable comfort level |
| CN108814113B (en) * | 2018-09-20 | 2024-01-19 | 甘一峰 | Intelligent mattress of adjustable comfort level |
| CN109493691A (en) * | 2019-01-18 | 2019-03-19 | 杭州职业技术学院 | A kind of multifunction teaching displaying device for electronic information publication |
| CN110001243A (en) * | 2019-04-23 | 2019-07-12 | 长沙宁湖机械设备有限公司 | A kind of three face rotary type dust-free blackboards |
| CN113829786A (en) * | 2021-06-24 | 2021-12-24 | 袁东粲 | Whiteboard ink mark partition self-wiping method |
| CN113829786B (en) * | 2021-06-24 | 2023-09-15 | 袁东粲 | White board ink mark partition self-wiping method |
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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: 20140806 Termination date: 20150411 |
|
| EXPY | Termination of patent right or utility model |