Auxiliary teaching device for documentsTechnical Field
The invention relates to the technical field of teaching auxiliary instruments, in particular to a document auxiliary teaching device.
Background
The whiteboard is a writing plane made of a white metal plate material, has the similar function as the blackboard, is a writing tool capable of being repeatedly erased and written, is usually used for teaching, conference discussion or personal and family note keeping, and needs to be written by a special whiteboard pen, and a large number of notes are often written on the whiteboard in the thinking of political affairs teaching process.
The current whiteboard needs a teacher's hand to hold the teaching plan in the use, and another hand holds the special pen of whiteboard and writes, and along with the increase of time, not only can cause teacher's finger ache, can direct influence teaching efficiency moreover, and current whiteboard writes the area limited moreover, is difficult to show more teaching content on the whiteboard, and application scope is not wide enough. Accordingly, a person skilled in the art provides a document teaching aid to solve the problems set forth in the background art described above.
Disclosure of Invention
The invention aims to provide a document teaching aid to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a literature auxiliary teaching device comprises a white board, a first support frame and a second support frame fixedly connected to two sides of the white board, and a controller fixedly connected to the outer side of the second support frame, wherein the bottom ends of the first support frame and the second support frame are fixedly connected with support plates, two rollers are fixedly connected to two ends of the lower surfaces of the two support plates, the upper surface of the white board is provided with a limiting groove, a clamping mechanism is installed above the limiting groove and comprises a clamping block, a limiting plate, a first support, a second support, a telescopic rod, a placing cylinder and a mounting frame, the two sides of the inner wall of the mounting frame are fixedly connected with the placing cylinder, the top of the placing cylinder is movably penetrated with the telescopic rod, the top end of the telescopic rod is movably connected with the first support, the top end of the first support is movably connected with the limiting plate, and the clamping block is fixedly connected to the front surface of the limiting plate at equal intervals, the rear surface of the limit plate is also movably connected with a second bracket, an adjusting mechanism is arranged in the white board, the adjusting mechanism comprises an auxiliary plate, a first pinion, a first threaded rod, a first adjusting pipe, a bull gear, a servo motor, a second pinion, a second threaded rod and a second adjusting pipe, the servo motor is fixedly connected inside the white board, and the driving end of the servo motor is connected with a bull gear, the two sides of the bull gear are respectively engaged with a first pinion and a second pinion, a first adjusting pipe is fixedly connected inside the first pinion in a penetrating way, a second adjusting pipe is fixedly connected inside the second pinion in a penetrating way, the bottom of the first adjusting pipe is in threaded connection with a first threaded rod, the bottom of the second adjusting pipe is in threaded connection with a second threaded rod, and the bottom end of the first threaded rod and the bottom end of the second threaded rod are fixedly connected with auxiliary plates.
As a still further scheme of the invention: the top of first control tube is passed through the bearing and is rotated the connection on the inner wall of blank, the top of second control tube is passed through the bearing and is rotated the connection on the inner wall of blank, the length of first control tube and second control tube equals, and first control tube and second control tube are relative distribution.
As a still further scheme of the invention: the auxiliary board movably penetrates through the lower surface of the white board and is of a cuboid structure, and the auxiliary board is located between the first support frame and the second support frame.
As a still further scheme of the invention: the first small gear and the second small gear are symmetrically distributed by taking the central point of the large gear as a reference, the first small gear and the second small gear are equal in size, and the auxiliary plate, the first small gear, the first threaded rod, the first adjusting pipe, the large gear, the servo motor, the second small gear, the second threaded rod and the second adjusting pipe are all located inside the whiteboard.
As a still further scheme of the invention: the lower surface of mounting bracket still rigid coupling has the stopper, stopper sliding connection is in the inside of spacing groove, and the stopper is "T" shape structure.
As a still further scheme of the invention: one end swing joint of second support is on the inner wall of mounting bracket, the left side department at first support is installed to the second support.
As a still further scheme of the invention: the clamping blocks, the limiting plates, the first support, the second support, the telescopic rods and the placing cylinders are symmetrically distributed by taking the center point of the mounting frame as a reference, and the mounting frame is of a U-shaped structure.
As a still further scheme of the invention: the inside of placing a section of thick bamboo still is connected with the spring, the bottom department at the telescopic link is connected to the one end of spring.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the teaching plan can be conveniently placed into the mounting frame for clamping by the clamping mechanism in the teaching process, and the clamped teaching plan can also move left and right, so that the teaching plan can be conveniently checked in real time in the left and right writing process of the user, the situation that the user holds a book and writes the book at the same time is avoided, the teaching efficiency is improved, and the fatigue feeling of the user when holding the book is reduced;
2. the auxiliary board can be driven to move up and down through the adjusting mechanism, when the auxiliary board moves down, corresponding teaching contents can be written on the auxiliary board, the writing area of the teaching device is increased, more teaching contents are easy to display, the application range is wide, the auxiliary board can be stored after being used, the occupied area of the auxiliary board is reduced, and the teaching device is convenient to use in practice.
Drawings
FIG. 1 is a schematic diagram of a device for teaching aid in documents;
FIG. 2 is a schematic view of an adjustment mechanism of a document teaching aid;
FIG. 3 is a schematic view of a clamping mechanism of a device for teaching aid in documents;
FIG. 4 is a schematic diagram of a spring structure of a device for teaching aid in documents;
fig. 5 is a schematic structural diagram of a clamping block in the auxiliary teaching device for documents.
In the figure: 1. a first support frame; 2. a limiting groove; 3. a clamping mechanism; 4. a white board; 5. a second support frame; 6. a controller; 7. a support plate; 8. a roller; 9. an auxiliary plate; 10. a first pinion gear; 11. a first threaded rod; 12. a first regulating tube; 13. a bull gear; 14. a servo motor; 15. a second pinion gear; 16. a second threaded rod; 17. a second regulating tube; 18. an adjustment mechanism; 19. a clamping block; 20. a limiting plate; 21. a first bracket; 22. a second bracket; 23. a telescopic rod; 24. placing the cylinder; 25. a mounting frame; 26. a limiting block; 27. a spring.
Detailed Description
Referring to fig. 1 to 5, in the embodiment of the present invention, an auxiliary teaching device for documents includes awhite board 4, a first support frame 1 and asecond support frame 5 fixedly connected to two sides of thewhite board 4, and acontroller 6 fixedly connected to an outer side of thesecond support frame 5, thecontroller 6 is DKC-Y110,support plates 7 are fixedly connected to bottom ends of the first support frame 1 and thesecond support frame 5, tworollers 8 are fixedly connected to two ends of lower surfaces of the twosupport plates 7, alimiting groove 2 is formed on an upper surface of thewhite board 4, aclamping mechanism 3 is installed above the limitinggroove 2, theclamping mechanism 3 includes aclamping block 19, alimiting plate 20, afirst support 21, asecond support 22, atelescopic rod 23, a placingcylinder 24 and amounting frame 25, a placingcylinder 24 is fixedly connected to two sides of an inner wall of themounting frame 25, atelescopic rod 23 is movably penetrated through a top of the placingcylinder 24, a top end of thetelescopic rod 23 is movably connected to thefirst support 21, the top end of thefirst support 21 is movably connected with alimiting plate 20, the front surface of thelimiting plate 20 is equidistantly and fixedly connected with aclamping block 19, the rear surface of thelimiting plate 20 is also movably connected with asecond support 22, theclamping block 19 is a rubber member, theclamping block 19 is of a triangular structure, the lower surface of themounting frame 25 is also fixedly connected with alimiting block 26, the limitingblock 26 is slidably connected inside thelimiting groove 2, the limitingblock 26 is of a T-shaped structure, one end of thesecond support 22 is movably connected on the inner wall of themounting frame 25, thesecond support 22 is mounted at the left side of thefirst support 21, theclamping block 19, thelimiting plate 20, thefirst support 21, thesecond support 22, thetelescopic rod 23 and the placingcylinder 24 are symmetrically distributed by taking the central point of themounting frame 25 as a reference, themounting frame 25 is of a U-shaped structure, the inside of the placingcylinder 24 is also connected with aspring 27, one end of thespring 27 is connected at the bottom end of thetelescopic rod 23, can carry out the centre gripping throughfixture 3 in can convenience of customers puts into mountingbracket 25 with the teaching plan at the teaching in-process, press from both sides the teaching plan after pressing from both sides tightly and also can remove, the in-process of writing about convenience of customers looks over the teaching plan in real time, avoids taking the book the condition of writing simultaneously, has improved teaching efficiency, has reduced the tired sense of user when taking the book.
In fig. 2: anadjusting mechanism 18 is arranged in thewhiteboard 4, theadjusting mechanism 18 comprises anauxiliary plate 9, afirst pinion 10, a first threadedrod 11, afirst adjusting tube 12, agearwheel 13, aservo motor 14, asecond pinion 15, a second threadedrod 16 and a second adjustingtube 17, theservo motor 14 is fixedly connected in thewhiteboard 4, thegearwheel 13 is connected to the driving end of theservo motor 14, theservo motor 14 is ACSM110-G04030LZ, thefirst pinion 10 and thesecond pinion 15 are respectively engaged with two sides of thegearwheel 13, the first adjustingtube 12 is fixedly connected in thefirst pinion 10 in a penetrating way, the second adjustingtube 17 is fixedly connected in thesecond pinion 15 in a penetrating way, the first threadedrod 11 is connected to the bottom of the first adjustingtube 12 in a threaded way, the second threadedrod 16 is connected to the bottom of the second adjustingtube 17 in a threaded way, theauxiliary plate 9 is fixedly connected to the bottom of the first threadedrod 11 and the bottom of the second threadedrod 16, the top end of the first adjustingpipe 12 is rotatably connected on the inner wall of thewhite board 4 through a bearing, the top end of the second adjustingpipe 17 is rotatably connected on the inner wall of thewhite board 4 through a bearing, the lengths of the first adjustingpipe 12 and the second adjustingpipe 17 are equal, the first adjustingpipe 12 and the second adjustingpipe 17 are distributed oppositely, theauxiliary board 9 movably penetrates through the lower surface of thewhite board 4, theauxiliary board 9 is in a cuboid structure, theauxiliary board 9 is positioned between the first supporting frame 1 and the second supportingframe 5, the firstsmall gear 10 and the secondsmall gear 15 are symmetrically distributed by taking the central point of thebig gear 13 as a reference, the firstsmall gear 10 and the secondsmall gear 15 are equal in size, theauxiliary board 9, the firstsmall gear 10, the first threadedrod 11, the first adjustingpipe 12, thebig gear 13, theservo motor 14, the secondsmall gear 15, the second threadedrod 16 and the second adjustingpipe 17 are all positioned inside thewhite board 4, theauxiliary board 9 can be driven to move up and down through theadjusting mechanism 18, when theauxiliary board 9 moves down, corresponding teaching contents can be written on theauxiliary board 9, the writing area of the teaching device is increased, more teaching contents are easy to display, the application range is wide, theauxiliary board 9 can be stored after being used, the occupied area of theauxiliary board 9 is reduced, and the practical use is convenient.
The working principle of the invention is as follows: when a user writes and looks at a teaching plan, the user firstly moves the two groups of limitingplates 20 oppositely, then the user can drive thetelescopic rod 23 to move downwards under the action of thefirst support 21 and thesecond support 22, so as to press thespring 27 and deform the spring, then the user places the teaching plan between the two groups of limitingplates 20, then loosens the two groups of limitingplates 20, thespring 27 can drive thefirst support 21 to move while recovering the original state, further drives the two groups of limitingplates 20 to move relatively, and finally drives the two groups ofclamping blocks 19 to move relatively, because theclamping blocks 19 are rubber members, and theclamping blocks 19 are triangular structures, after the two groups ofclamping blocks 19 move relatively, the teaching plan can be firmly clamped and prevented from loosening, and along with the continuous right movement or left movement of the user writing, the user can manually pull themounting frame 25 to move left and right, thelimiting block 26 slides in thelimiting groove 2 at the moment, so that a user can conveniently check the contents on the teaching plan in real time, the user can conveniently place the teaching plan into the mountingframe 25 for clamping in the teaching process through theclamping mechanism 3, the clamped teaching plan can also move left and right, the user can conveniently check the teaching plan in real time in the left-right writing process, the situation that the user writes while holding a book is avoided, the teaching efficiency is improved, the fatigue feeling of the user when holding the book is reduced, when the display contents on thewhite board 4 are limited, the user controls theservo motor 14 to work through thecontroller 6, thelarge gear 13 can be driven to rotate forwards after theservo motor 14 rotates forwards, the firstsmall gear 10 and the secondsmall gear 15 are driven to rotate backwards simultaneously, then the first adjustingpipe 12 and the second adjustingpipe 17 can be driven to rotate backwards simultaneously, and further the bottom ends of the first threadedrod 11 and the second threadedrod 16 can be driven to move downwards continuously, finally, the lowerauxiliary board 9 is driven to move downwards, so that theauxiliary board 9 is moved out of thewhite board 4, after the content on theauxiliary board 9 is displayed, the user controls theservo motor 14 to rotate reversely through thecontroller 6, theservo motor 14 can drive thelarge gear 13 to rotate reversely after rotating reversely, so as to drive thefirst pinion 10 and thesecond pinion 15 to rotate forward simultaneously, then the first adjustingpipe 12 and the second adjustingpipe 17 can be driven to rotate forward simultaneously, so as to drive the bottom ends of the first threadedrod 11 and the second threadedrod 16 to move upwards continuously, finally, the lowerauxiliary board 9 is driven to move upwards, so that theauxiliary board 9 is accommodated in thewhite board 4, so that theauxiliary board 9 can be driven to move up and down through theadjusting mechanism 18, when theauxiliary board 9 moves downwards, corresponding teaching content can be written on theauxiliary board 9, and the writing area of the teaching device is increased, more teaching contents are easy to show, the application range is wide, theauxiliary board 9 can be stored after being used, the occupied area of theauxiliary board 9 is reduced, and the practical use is convenient.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.