Novel belt blackboard is used in teaching
Technical Field
The invention relates to the technical field of education and teaching, in particular to a novel belt type blackboard for teaching.
Background
The blackboard is a very common teaching device, mainly provides the region of manual writing for the teaching content book, along with education level's gradual progress, the education and teaching in-process, also more and more high to the operation requirement of blackboard, according to operation requirement's difference, the material of blackboard, size requirement are also different, the blackboard of fixing on the wall is the essential device of school's teaching in-process, but this type of blackboard has following shortcoming when in-service use:
1. the existing blackboard is essentially a whole block/a plurality of blocks of metal/glass/plastic and other plates, and is matched with a writing coating on the surface of the blackboard, so that a user can conveniently write contents on the blackboard by using a chalk/black-and-white pen, and after the space on the whole block of blackboard is occupied by the written contents, the user has to erase the original contents so as to facilitate the next writing; the blackboard composed of a plurality of movable plates is very inconvenient for adjusting the positions among different blackboards and erasing the written content because the whole height of the blackboard is higher;
2. in the daily use process of the blackboard, due to the influence of external high-brightness sunlight, students often receive the influence of reflection of light when watching contents on the blackboard, and due to uneven writing strength of writers, part of written contents are particularly laborious in the erasing process.
Disclosure of Invention
The invention aims to provide a novel belt type blackboard for teaching, which aims to solve the problem that the change of a writing surface is very difficult due to unreasonable use of materials of the blackboard in the background technology; the written content can not be erased conveniently.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a novel belt blackboard for teaching, includes the blackboard frame, the avris of blackboard frame is provided with the mounting panel, and the internal surface of mounting panel is provided with electric putter to electric putter rotates with the bottom of adjusting the pole and connects, the inside of blackboard frame is provided with blackboard body, and the bottom in the blackboard frame outside installs the motor, be connected with the backup pad between the avris inner wall of blackboard frame, the inside of blackboard frame is provided with the second belt and washs the box, and washs the below that the box is located the second belt, the avris of wasing the box is connected with the hose, and the end of hose runs through the lateral wall of blackboard frame, the below of wasing the box is provided with and erases the board, and erases and is provided with the horizontal section of thick bamboo of installing on the blackboard frame between the box to the internally mounted.
Preferably, the top of adjusting the pole is installed at the surface of blackboard frame, and the bottom fixedly connected with bracing piece of blackboard frame surface to the bottom of bracing piece is installed in the pivot, and the internal surface at the mounting panel is installed in the pivot simultaneously.
Preferably, the blackboard body comprises a circle of flexible material with a belt structure, the outer surface of the flexible material is coated with a writing coating, the inner surface of the flexible material and the outer surface of the driving roller are provided with racks which are meshed with each other, the driving roller is arranged on a cross shaft, 1 cross shaft is respectively arranged above and below the blackboard frame, the cross shaft below the cross shaft is connected with a motor, 2 cross shafts are connected through a first belt, and the end of the cross shaft above the cross shaft is connected with a cross rod through a second belt.
Preferably, the diameter length of drive roller reduces from both ends to the centre gradually, the section of bowing of blackboard body is the arc structure identical with the drive roller surface, and is provided with the backup pad of symmetric distribution between the inner wall of blackboard body to the surface of backup pad is laminated with the internal surface of blackboard body mutually.
Preferably, the cross rod is rotatably installed in the blackboard frame, the symmetrically-distributed rotating rings are installed on the cross rod, the inner surfaces of the rotating rings and the surface of the cross rod are made of rubber materials, and the outer surface of each rotating ring is fixedly connected with the connecting rod.
Preferably, the inside top of washing box is seted up the chamber that holds that is linked together with the hose, holds and is provided with the spring that one end was fixed on holding the chamber wall in the chamber, and the other end of spring is fixed on the movable block, and movable block sliding connection just the left end embedding holds in the chamber in the trompil on the washing box to the movable block left end diameter that the cross-section is "T" style of calligraphy structure is greater than the diameter of the trompil on the washing box.
Preferably, all install on erasing board and the washing box and erase the cotton, erase the end department of board and washing box respectively with the bottom and the top fixed connection of telescopic link, and the lower terminal surface of erasing the board passes through slide bar sliding connection on the slide rail, the inner wall at blackboard frame is fixed to the one end of slide rail.
Preferably, the left end and the right end of the transverse cylinder are respectively provided with an opening, the opening at the right end of the transverse cylinder is divided into a first opening and a second opening, the second opening is connected with the bottom end of the ventilation pipe, the top end of the ventilation pipe is connected with the cavity, the cavity is arranged at the bottom end of the cleaning box, and the inner side of the erasing cotton on the cleaning box is embedded into the cavity.
Compared with the prior art, the invention has the beneficial effects that: according to the novel belt type blackboard for teaching, a circle of belt type flexible material is used as a replacement material of the transmission plate type blackboard, so that a writing area can be conveniently replaced through the operation of a motor, different operations such as reserving/erasing the content of the original writing area can be performed according to different steering directions while the writing area is replaced, and the design is more reasonable;
1. the adjusting rod and the rotating shaft at the bottom are used, so that the vertical direction of the overall display angle of the blackboard can be conveniently changed through the operation of the electric push rod, and the effect of preventing the light reflection of the blackboard is better by matching with the blackboard body which is arranged in an arc shape;
2. the driving roller, the transverse shaft and other structures are used, so that the blackboard body can be driven to synchronously rotate through the operation of the motor, the purpose of changing the writing area is realized, and the position of the cleaning box can be changed through the rotation of the transverse shaft due to the design of the connecting structure of the transverse shaft and the rotating ring;
3. the cleaning box is matched with the bottom erasing plate, can be attached to the surface of the blackboard body under the drive of the rotation of the cross rod to erase the written content, and can also be driven by the rotation of the other direction of the cross rod to be away from the blackboard body;
4. the containing cavity and the movable block in the cleaning box are used in an isostructure, so that when the cleaning box is attached to the blackboard body, the cleaning box plays a role in flushing the blackboard body, content traces written by force on the blackboard can be well removed, and due to the structural design of the transverse cylinder, the surface of the blackboard body can be promoted and cotton quick drying can be realized through blowing.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the interior of the present invention in elevation;
FIG. 3 is a schematic top view of the blackboard body according to the present invention;
FIG. 4 is a schematic side sectional view of the present invention;
FIG. 5 is a front view of the cleaning box of the present invention;
FIG. 6 is an enlarged cross-sectional view taken along line A of FIG. 4 according to the present invention;
FIG. 7 is an enlarged cross-sectional view taken at B in FIG. 4 according to the present invention.
In the figure: 1. a blackboard frame; 2. mounting a plate; 3. an electric push rod; 4. adjusting a rod; 41. a support bar; 42. a rotating shaft; 5. a blackboard body; 51. a drive roller; 52. a rack; 53. a horizontal axis; 54. a first belt; 6. an electric motor; 7. a support plate; 8. a second belt; 9. a cross bar; 10. a rotating ring; 11. a connecting rod; 12. cleaning the box; 121. an accommodating chamber; 122. a movable block; 123. a spring; 13. a hose; 14. erasing cotton; 15. erasing the plate; 151. a telescopic rod; 152. a slide bar; 153. a slide rail; 16. a transverse cylinder; 161. a first opening; 162. a second opening; 163. a vent pipe; 164. a cavity; 17. a fan.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a novel belt type blackboard for teaching comprises a blackboard frame 1, a mounting plate 2, an electric push rod 3, an adjusting rod 4, a supporting rod 41, a rotating shaft 42, a blackboard body 5, a driving roller 51, a rack 52, a transverse shaft 53, a first belt 54, a motor 6, a supporting plate 7, a second belt 8, a transverse rod 9, a rotating ring 10, a connecting rod 11, a cleaning box 12, a containing cavity 121, a movable block 122, a spring 123, a hose 13, an erasing cotton 14, an erasing plate 15, an expansion rod 151, a sliding rod 152, a sliding rail 153, a transverse cylinder 16, a first opening 161, a second opening 162, a ventilating pipe 163, a cavity 164 and a fan 17, wherein the mounting plate 2 is arranged on the side of the blackboard frame 1, the electric push rod 3 is arranged on the inner surface of the mounting plate 2, the electric push rod 3 is rotatably connected with the bottom end of the adjusting rod 4, the blackboard frame 1 is internally provided with the blackboard body, be connected with backup pad 7 between the avris inner wall of blackboard frame 1, the inside of blackboard frame 1 is provided with second belt 8 and washs box 12, and wash the below that box 12 is located second belt 8, the avris of wasing box 12 is connected with hose 13, and the terminal lateral wall that runs through blackboard frame 1 of hose 13, the below of wasing box 12 is provided with erases board 15, and it installs the horizontal section of thick bamboo 16 on blackboard frame 1 to erase board 15 and wash and be provided with between the box 12, and the internally mounted of horizontal section of thick bamboo 16 has fan 17.
Adjust the top of pole 4 and install the surface at blackboard frame 1, and the bottom fixedly connected with bracing piece 41 of blackboard frame 1 surface, and install on pivot 42 the bottom of bracing piece 41, the internal surface at mounting panel 2 is installed to pivot 42 simultaneously, electric putter 3's operation can be with adjusting pole 4 jack-up, blackboard frame 1 is whole just can be centers on pivot 42 clockwise turning this moment, electric putter 3 will adjust pole 4 when pulling down, blackboard frame 1 is whole just can anticlockwise rotation, thereby the realization shows the purpose of angular adjustment to the blackboard is whole.
The blackboard body 5 is made of a circle of flexible material with a belt structure coated with writing coatings on the outer surface, the inner surface and the outer surface of the driving roller 51 are provided with racks 52 which are meshed with each other, the driving roller 51 is arranged on a cross shaft 53, the cross shaft 53 is respectively provided with 1 on the upper and lower sides in the blackboard frame 1, the cross shaft 53 on the lower side is connected with a motor 6, 2 cross shafts 53 are connected through a first belt 54, the end of the cross shaft 53 on the upper side is connected with a cross rod 9 through a second belt 8, the diameter length of the driving roller 51 is gradually reduced from two ends to the middle, the depression cross section of the blackboard body 5 is in an arc structure which is matched with the surface of the driving roller 51, the symmetrically distributed supporting plates 7 are arranged between the inner walls of the blackboard body 5, the surface of the supporting plates 7 is jointed with the inner surface of the blackboard body 5, the, under the driving action of the first belt 54, the two horizontal shafts 53 can synchronously rotate, and at the moment, under the meshing transmission action of the rack 52, the driving roller 51 arranged on the horizontal shaft 53 can drive the blackboard body 5 to synchronously rotate, so that the aim of adjusting the writing surface is fulfilled.
The horizontal pole 9 rotates and installs the inside at blackboard frame 1, install symmetric distribution's swivel becket 10 on the horizontal pole 9, and the internal surface of swivel becket 10 and the surface of horizontal pole 9 are rubber materials, and the surface and the connecting rod 11 fixed connection of swivel becket 10, wash the inside top of box 12 and offer the chamber 121 that holds that is linked together with hose 13, it fixes the spring 123 on holding chamber 121 chamber wall to be provided with one end in the chamber 121, and the other end of spring 123 is fixed on movable block 122, movable block 122 sliding connection is in the trompil on washing box 12 and the left end embedding holds in the chamber 121, and the diameter of the movable block 122 left end that the cross-section is "T" style of calligraphy structure is greater than the diameter of trompil on washing box 12, when horizontal axle 53 drives horizontal pole 9 clockwise rotation through second belt 8, horizontal pole 9 then can drive swivel becket 10 synchronous rotation under the effect of static friction power, corresponding swivel becket 10 also can drive through connecting rod 11 and wash box 12 and remove towards Until the surface of the cleaning box 12 is attached to the inner wall of the blackboard frame 1 and the cleaning box 12 cannot move continuously, the cross rod 9 can rotate in the rotating ring 10, the rotating ring 10 is in a relatively static state, it is ensured that the content on the blackboard body 5 cannot be erased, when the cross shaft 53 drives the cross rod 9 to rotate anticlockwise through the second belt 8, the surface of the cleaning box 12 can be attached to the surface of the blackboard body 5, under the extrusion effect, the movable block 122 slides towards the accommodating cavity 121, at the moment, the water in the accommodating cavity 121 can flow to the surface of the blackboard body 5 along the opening holes around the movable block 122, so that the purpose of cleaning the writing content on the blackboard body 5 is achieved, and the cleaning effect of the cotton 14 is matched with the bottom end to erase the writing content on the blackboard body 5.
Erase board 15 and wash and all install on the box 12 and erase cotton 14, the end department of erasing board 15 and washing box 12 respectively with the bottom and the top fixed connection of telescopic link 151, and the lower terminal surface of erasing board 15 passes through slide bar 152 sliding connection on slide rail 153, the inner wall at blackboard frame 1 is fixed to the one end of slide rail 153, the removal of washing box 12 can drive through telescopic link 151 and erase the synchronous removal of board 15, thereby carry out thorough clearance to blackboard body 5 surface after the drying, so that subsequent writing.
The left end and the right end of the transverse cylinder 16 are respectively provided with an opening, the opening at the right end is divided into a first opening 161 and a second opening 162, the second opening 162 is connected with the bottom end of the ventilation pipe 163, the top end of the ventilation pipe 163 is connected with the cavity 164, the cavity 164 is arranged at the bottom end of the cleaning box 12, and the inner side of the erasing cotton 14 on the cleaning box 12 is embedded into the cavity 164, because the surface of the blackboard body 5 is in a wet state even if the erasing cotton 14 is cleaned after the surface of the blackboard body 5 is washed, the surface is still in a wet state, the surface of the blackboard body 5 can be dried through the first opening 161 when the fan 17 operates, and the second opening 162 and the ventilation pipe 163 can guide wind into the cavity 164, so that the erasing cotton 14 which has the water absorption effect at the cavity 164 can be.
The working principle is as follows: as shown in fig. 4, the operation of the electric push rod 3 will jack up the adjusting rod 4, at this time, the whole blackboard frame 1 will rotate clockwise around the rotating shaft 42, and when the electric push rod 3 pulls down the adjusting rod 4, the whole blackboard frame 1 will rotate counterclockwise, so as to achieve the purpose of adjusting the display angle of the whole blackboard;
as shown in fig. 1-7, the operation of the motor 6 will drive the bottom horizontal shaft 53 to rotate synchronously, under the driving action of the first belt 54, the two horizontal shafts 53 will rotate synchronously, at this time, under the meshing transmission action of the rack 52, the driving roller 51 installed on the horizontal shaft 53 will drive the blackboard body 5 to rotate synchronously, thereby achieving the purpose of adjusting the writing surface, when the horizontal shaft 53 drives the horizontal shaft 9 to rotate clockwise through the second belt 8, the horizontal shaft 9 will drive the rotating ring 10 to rotate synchronously under the effect of static friction, the corresponding rotating ring 10 will also drive the cleaning box 12 to move away from the blackboard body 5 through the connecting rod 11, until the surface of the cleaning box 12 is attached to the inner wall of the blackboard frame 1 and the cleaning box 12 cannot move continuously, the horizontal shaft 9 will rotate in the rotating ring 10, the rotating ring 10 will be in a relatively static state, thereby ensuring that the contents on the blackboard body 5 will not be erased, when the cross shaft 53 drives the cross rod 9 to rotate anticlockwise through the second belt 8, the surface of the cleaning box 12 is attached to the surface of the blackboard body 5, the movable block 122 slides towards the accommodating cavity 121 under the extrusion effect, and at the moment, water in the accommodating cavity 121 flows to the surface of the blackboard body 5 along the opening holes around the movable block 122, so that the purpose of cleaning the written content on the blackboard body 5 is achieved, and the written content is erased on the blackboard body 5 by matching with the erasing effect of the erasing cotton 14 at the bottom end; the removal of cleaning box 12 can drive through telescopic link 151 and erase the synchronous removal of board 15 to blackboard body 5 surface after the drying carries out thorough clearance, so that subsequent writing, because blackboard body 5 surface is washed after, even there is the clearance of erasing cotton 14, the surface still can be in moist state, consequently the operation of fan 17 can carry out drying process through first opening 161 to blackboard body 5 surface, and the effect of second opening 162 and ventilation pipe 163 is then with the leading-in cavity 164 of wind, thereby the cotton 14 of erasing that plays the water absorption effect to cavity 164 department carries out drying process.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.