CN204870209U - Blackboard - Google Patents
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- Publication number
- CN204870209U CN204870209U CN201520580194.7U CN201520580194U CN204870209U CN 204870209 U CN204870209 U CN 204870209U CN 201520580194 U CN201520580194 U CN 201520580194U CN 204870209 U CN204870209 U CN 204870209U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- slide block
- connecting rod
- guide rail
- fixedly installed
- 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
Abstract
The utility model relates to a can be once only and dry clean blackboard with the word on the blackboard automatically, including the blackboard body, setting up at left mounting panel respectively all around of blackboard body, an upper installing plate, in right side mounting panel and the installation version down, first guide rail has been seted up on the front surface of left side mounting panel, be equipped with first slider in the first guide rail, be equipped with the left branch vaulting pole on the front surface of first slider, first through -hole has been seted up on the side of left branch vaulting pole, transmission sets up the left end of mounting panel under, transmission's the output shaft and the bottom fixed connection of lead screw, the top of lead screw is passed first slider and is set up the below at last mounting panel, the second guide rail has been seted up on the front surface of right side mounting panel, be equipped with the second slider in the second guide rail, be equipped with the right branch vaulting pole on the second slider, the side of right branch vaulting pole is equipped with the second through -hole, it wipes to be equipped with blackboard on the side for the blackboard body of connecting rod, the left end setting of connecting rod is in first through -hole, the right -hand member setting of connecting rod is in the second through -hole.
Description
Technical field
The utility model relates to a kind of teaching aid, particularly relates to a kind of blackboard.
Background technology
Blackboard is one of instrument often used in education activities, existing blackboard needs the hand-held blackboard eraser of operating personnel manually to clean blackboard after using, because the area of blackboard eraser is less, when blackboard being fully written word, operating personnel need the longer time to erase the board, and it is very inconvenient to use.
Because above-mentioned defect, the design people, actively in addition research and innovation, to founding a kind of blackboard of new structure, make it have more value in industry.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model be to provide a kind of can disposable and automatically the word on blackboard is wiped clean blackboard.
Blackboard of the present utility model, comprise blackboard body, described blackboard also comprises left installing plate, right installing plate, upper mounting plate and lower installation board, the left hand edge of described blackboard body is fixedly installed on left installing plate, the right hand edge of blackboard body is fixedly installed on right installing plate, the top edge of blackboard body is fixedly installed on upper mounting plate, the lower limb of blackboard body is fixedly installed on lower installation board, the front surface of described left installing plate offers the first guide rail, first slide block suitable with the first guide rail is provided with in described first guide rail, the front surface of described first slide block is provided with left support bar, the bottom of described left support bar is fixedly installed on the first slide block, the side of left support bar offers the first through hole, described blackboard also comprises screw mandrel and transmission device, described transmission device is arranged on the left end of lower installation board, and transmission device is positioned at lower installation board, transmission device is connected with external power source by wire, the output shaft of transmission device is fixedly connected with the bottom of screw mandrel, the top of screw mandrel is passed the first slide block and is arranged on the below of upper mounting plate, first slide block is connected with screw mandrel by screw thread, the front surface of described right installing plate offers the second guide rail, the second slide block matched with the second guide rail is provided with in described second guide rail, described second slide block is provided with right support bar, the bottom of described right support bar is fixedly installed on the front surface of the second slide block, the side of right support bar is provided with the second through hole, described blackboard also comprises connecting rod, described connecting rod be provided with blackboard eraser relative to the side of blackboard body, the left end of described connecting rod is arranged in the first through hole, the right-hand member of connecting rod is arranged in the second through hole, and the left end of connecting rod can move forward and backward in the first through hole, the right-hand member of connecting rod can move forward and backward in the second through hole, the first elastic device is provided with between the left end of connecting rod and the first slide block, one end of first elastic device is arranged on the left end of connecting rod, the other end of the first elastic device is fixedly installed on the first slide block, the second elastic device is provided with between the right-hand member of connecting rod and the second slide block, one end of described second elastic device is fixedly installed on the right-hand member of connecting rod, the other end of the second elastic device is fixedly installed on the second slide block.
Further, blackboard of the present utility model, described transmission device is motor.
Further, blackboard of the present utility model, also comprises slide bar, and the bottom of described slide bar is arranged on the upper surface of lower installation board, and the top of slide bar arranges through the second slide block and is arranged on the lower surface of upper mounting plate.
Further, blackboard of the present utility model, described first elastic device and the second elastic device are respectively spring.
By such scheme, the utility model at least has the following advantages: blackboard of the present utility model comprises blackboard body, the surrounding of blackboard body is fixedly installed on left installing plate respectively, upper mounting plate, in right installing plate and lower installation version, the front surface of left installing plate is provided with the first guide rail, the first slide block is provided with in first guide rail, first slide block is provided with left support bar, the bottom of screw mandrel is fixedly connected with the output shaft of the transmission device be arranged in lower installation board, the top of screw mandrel is passed the first slide block and is threaded connection with the first slide block, the front surface of right support plate is provided with the second guide rail, the second slide block is provided with in second guide rail, second slide block is provided with right support bar, connecting rod is provided with between left support bar and right support bar, connecting rod be provided with blackboard eraser relative to the side of blackboard body, the left end of connecting rod is connected with the first slide block by the first elastic device, the right-hand member of connecting rod is connected with the second slide block by the second elastic device, the setting of the first elastic device and the second elastic device, make to be arranged on blackboard eraser on the side of connecting rod can with the intimate surface contact of blackboard body, during concrete use, first operating personnel start transmission device, transmission device drives screw mandrel to rotate, thus the first slide block is slided up and down along the first guide rail, the movement of the first slide block has driven the jacket being connected to left support bar on the first slide block and connecting rod to move, the jacket of connecting rod moves and makes the surface of the blackboard body contacted with blackboard eraser be able to be wiped clean by blackboard eraser, as can be seen from the above description, blackboard of the present utility model can by the blackboard eraser on connecting plate by clean for disposable for blackboard auto-erasing, wipe without the need to operator is manual, and the speed of erasing quickly, effective.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of description, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of blackboard of the present utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the partial enlarged drawing in A portion in Fig. 2.
In figure, 1: blackboard body; 2: left installing plate; 3: right installing plate; 4: upper mounting plate; 5: lower installation board; 6: the first guide rails; 7: the first slide blocks; 8: left support bar; 9: the first through holes; 10: screw mandrel; 11: transmission device; 12: the second guide rails; 13: the second slide blocks; 14: right support bar; 15: connecting rod; 16: blackboard eraser; 17: the first elastic devices; 18: slide bar.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
See Fig. 1 to Fig. 3, a kind of blackboard of the utility model one preferred embodiment, comprise blackboard body 1, blackboard also comprises left installing plate 2, right installing plate 3, upper mounting plate 4 and lower installation board 5, the left hand edge of blackboard body is fixedly installed on left installing plate, the right hand edge of blackboard body is fixedly installed on right installing plate, the top edge of blackboard body is fixedly installed on upper mounting plate, the lower limb of blackboard body is fixedly installed on lower installation board, the front surface of left installing plate offers the first guide rail 6, first slide block 7 suitable with the first guide rail is provided with in first guide rail, the front surface of the first slide block is provided with left support bar 8, the bottom of left support bar is fixedly installed on the first slide block, the side of left support bar offers the first through hole 9, blackboard also comprises screw mandrel 10 and transmission device 11, transmission device is arranged on the left end of lower installation board, and transmission device is positioned at lower installation board, transmission device is connected with external power source by wire, the output shaft of transmission device is fixedly connected with the bottom of screw mandrel, the top of screw mandrel is passed the first slide block and is arranged on the below of upper mounting plate, first slide block is connected with screw mandrel by screw thread, the front surface of right installing plate offers the second guide rail 12, the second slide block 13 matched with the second guide rail is provided with in second guide rail, second slide block is provided with right support bar 14, the bottom of right support bar is fixedly installed on the front surface of the second slide block, the side of right support bar is provided with the second through hole (not shown), blackboard also comprises connecting rod 15, connecting rod be provided with blackboard eraser 16 relative to the side of blackboard body, the left end of connecting rod is arranged in the first through hole, the right-hand member of connecting rod is arranged in the second through hole, and the left end of connecting rod can move forward and backward in the first through hole, the right-hand member of connecting rod can move forward and backward in the second through hole, the first elastic device 17 is provided with between the left end of connecting rod and the first slide block, one end of first elastic device is arranged on the left end of connecting rod, the other end of the first elastic device is fixedly installed on the first slide block, the second elastic device (not shown) is provided with between the right-hand member of connecting rod and the second slide block, one end of second elastic device is fixedly installed on the right-hand member of connecting rod, the other end of the second elastic device is fixedly installed on the second slide block.
During concrete use, first operating personnel start transmission device, transmission device drives screw mandrel to rotate, thus the first slide block is slided up and down along the first guide rail, the movement of the first slide block has driven the jacket being connected to left support bar on the first slide block and connecting rod to move, the jacket of connecting rod moves and makes the surface of the blackboard body contacted with blackboard eraser be able to be wiped clean by blackboard eraser, as can be seen from the above description, blackboard of the present utility model can by the blackboard eraser on connecting plate by clean for disposable for blackboard auto-erasing, wipe without the need to operator is manual, and the speed of erasing quickly, effective.
As preferably, blackboard of the present utility model, transmission device is motor.
As preferably, blackboard of the present utility model, also comprises slide bar 18, and the bottom of slide bar is arranged on the upper surface of lower installation board, and the top of slide bar arranges through the second slide block and is arranged on the lower surface of upper mounting plate.
As preferably, blackboard of the present utility model, the first elastic device and the second elastic device are respectively spring.
The above is only preferred embodiment of the present utility model; be not limited to the utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (4)
1. a blackboard, comprise blackboard body, it is characterized in that: described blackboard also comprises left installing plate, right installing plate, upper mounting plate and lower installation board, the left hand edge of described blackboard body is fixedly installed on left installing plate, the right hand edge of blackboard body is fixedly installed on right installing plate, the top edge of blackboard body is fixedly installed on upper mounting plate, the lower limb of blackboard body is fixedly installed on lower installation board, the front surface of described left installing plate offers the first guide rail, first slide block suitable with the first guide rail is provided with in described first guide rail, the front surface of described first slide block is provided with left support bar, the bottom of described left support bar is fixedly installed on the first slide block, the side of left support bar offers the first through hole, described blackboard also comprises screw mandrel and transmission device, described transmission device is arranged on the left end of lower installation board, and transmission device is positioned at lower installation board, transmission device is connected with external power source by wire, the output shaft of transmission device is fixedly connected with the bottom of screw mandrel, the top of screw mandrel is passed the first slide block and is arranged on the below of upper mounting plate, first slide block is connected with screw mandrel by screw thread, the front surface of described right installing plate offers the second guide rail, the second slide block matched with the second guide rail is provided with in described second guide rail, described second slide block is provided with right support bar, the bottom of described right support bar is fixedly installed on the front surface of the second slide block, the side of right support bar is provided with the second through hole, described blackboard also comprises connecting rod, described connecting rod be provided with blackboard eraser relative to the side of blackboard body, the left end of described connecting rod is arranged in the first through hole, the right-hand member of connecting rod is arranged in the second through hole, and the left end of connecting rod can move forward and backward in the first through hole, the right-hand member of connecting rod can move forward and backward in the second through hole, the first elastic device is provided with between the left end of connecting rod and the first slide block, one end of first elastic device is arranged on the left end of connecting rod, the other end of the first elastic device is fixedly installed on the first slide block, the second elastic device is provided with between the right-hand member of connecting rod and the second slide block, one end of described second elastic device is fixedly installed on the right-hand member of connecting rod, the other end of the second elastic device is fixedly installed on the second slide block.
2. blackboard according to claim 1, is characterized in that: described transmission device is motor.
3. blackboard according to claim 1, is characterized in that: also comprise slide bar, and the bottom of described slide bar is arranged on the upper surface of lower installation board, and the top of slide bar arranges through the second slide block and is arranged on the lower surface of upper mounting plate.
4. blackboard according to claim 1, is characterized in that: described first elastic device and the second elastic device are respectively spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520580194.7U CN204870209U (en) | 2015-08-05 | 2015-08-05 | Blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520580194.7U CN204870209U (en) | 2015-08-05 | 2015-08-05 | Blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204870209U true CN204870209U (en) | 2015-12-16 |
Family
ID=54814628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520580194.7U Expired - Fee Related CN204870209U (en) | 2015-08-05 | 2015-08-05 | Blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204870209U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106427315A (en) * | 2016-11-03 | 2017-02-22 | 芜湖光荣网络科技有限公司 | Self-cleaning blackboard |
| CN107933154A (en) * | 2017-11-21 | 2018-04-20 | 佛山汇众森泰科技有限公司 | Sassafras blackboard equipment is used in a kind of environmental protection and energy saving teaching |
| CN110116571A (en) * | 2019-05-07 | 2019-08-13 | 李联辉 | A kind of portable multimedia education robot |
| CN111806121A (en) * | 2020-03-19 | 2020-10-23 | 同济大学 | Intelligent self-erasing blackboard device |
-
2015
- 2015-08-05 CN CN201520580194.7U patent/CN204870209U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106427315A (en) * | 2016-11-03 | 2017-02-22 | 芜湖光荣网络科技有限公司 | Self-cleaning blackboard |
| CN107933154A (en) * | 2017-11-21 | 2018-04-20 | 佛山汇众森泰科技有限公司 | Sassafras blackboard equipment is used in a kind of environmental protection and energy saving teaching |
| CN110116571A (en) * | 2019-05-07 | 2019-08-13 | 李联辉 | A kind of portable multimedia education robot |
| CN111806121A (en) * | 2020-03-19 | 2020-10-23 | 同济大学 | Intelligent self-erasing blackboard device |
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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: 20151216 Termination date: 20160805 |