CN214822209U - Colleges and universities' mathematics teacher is with portable show board - Google Patents

Abstract

The utility model discloses a colleges and universities' mathematics teacher uses portable show board belongs to teaching technical field. A portable display board for mathematics teachers in colleges and universities comprises a display board, a lower guide board and a mounting board, wherein one side of the display board is fixedly connected with a motor frame, two sides of the mounting board are respectively provided with a dust inlet, a first channel is arranged inside the mounting board, a second channel is arranged inside the lower guide block, one end of the second channel is provided with a fan box, an air blower is arranged inside the fan box, and one side, away from the lower guide block, of the fan box is fixedly connected with a dust exhaust pipe; the utility model discloses when needs erase the chalk handwriting on the show board, the motor drives the mounting panel and is the back and forth movement, and the felt can produce great frictional force with the show board, and the quick handwriting of erasing the chalk is practiced thrift the time of giving lessons, and is very convenient, when the mounting panel moved to the both ends of guide bar, can close the motor, is convenient for take out and wipes the board, changes or clears up the felt.

Description

Colleges and universities' mathematics teacher is with portable show board

Technical Field

The utility model relates to a teaching technical field especially relates to a colleges and universities mathematics teacher uses portable show board.

Background

Along with the popularization of obligation education, the cultural level of the whole people is continuously improved, and meanwhile, the teaching mode is also continuously optimized, wherein a mathematical teacher often needs to use a calculation formula or a graph on a display board by using a pink stroke during teaching, and the content to be displayed is more.

When erasing chalk writing, a smaller blackboard eraser is generally used to erase the writing, which is time consuming and cumbersome, and thus needs improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that time is consumed when erasing the handwriting of the display board in the prior art and the problem is more troublesome, and the provided portable display board for the mathematics teacher of colleges and universities.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a colleges and universities' mathematics teacher is with portable show board, includes show board, lower guide block and mounting panel, one side fixedly connected with motor frame of show board, the dust inlet has all been seted up to the both sides of mounting panel, first passageway has been seted up to the inside of mounting panel, the second passageway has been seted up to the inside of lower guide block, the one end of second passageway is provided with the fan case, the inside of fan case is provided with the air-blower, one side fixedly connected with dust exhaust pipe of guide block under the fan case was kept away from, the one end that the fan case was kept away from to the dust exhaust pipe is provided with the rose box, rose box and lower guide block swing joint, the inside of rose box is provided with the filter screen, the exhaust hole has been seted up to one side of rose box.

Preferably, a motor is fixedly arranged on one side of the motor frame, the output end of the motor is fixedly connected with a screw rod, a bearing seat is fixedly arranged at one end of the screw rod far away from the motor, the bearing seat is fixedly connected with the display board, the outer surface of the screw is in threaded connection with a threaded plate, the top end of the threaded plate is fixedly connected with an upper guide block, the inner parts of the upper guide block and the lower guide block are both provided with guide holes, guide rods are arranged in the guide holes, the two ends of the guide rod are fixedly connected with four brackets, the four brackets have the same shape and size, the bracket is fixedly connected with the display board, the lower surface of the mounting board is fixedly connected with the lower guide block, the mounting panel is close to the one side of show board and has seted up the rectangle draw-in groove, the inside joint of rectangle draw-in groove has the board of wiping, one side of wiping the board is provided with the felt.

Compared with the prior art, the utility model provides a colleges and universities' mathematics teacher is with portable show board possesses following beneficial effect:

1. the utility model discloses, through the first passageway, the second passageway, the fan case, the air-blower, the dust exhaust pipe, the rose box, the filter screen, the cooperation in hole of airing exhaust is used, when wiping out the chalk note, under the effect of air-blower, the dust of production enters into the inside of first passageway through entering dirt mouth, the dust loops through the second passageway after that, fan case and dust exhaust pipe enter into the inside of rose box, the dust can be filtered to the filter screen, final clean air is discharged through the hole of airing exhaust, the dust is piled up in the inside of rose box, avoid a large amount of dusts to float indoor, influence mr or student's healthy, good teaching environment has been created.

2. The utility model discloses, through the show board, the motor frame, including a motor, an end cap, a controller, and a cover plate, the screw rod, the bearing frame, the screw thread board, go up the guide block, lower guide block, the guide bar, and a support, the mounting panel, wipe the board, the cooperation of felt is used, when needs wipe the chalk script on the show board, the starter motor drives the screw rod and rotates, at last guide block, under the effect of guide block and guide bar, go up the guide block and slide along the guide bar with lower guide block, thereby drive the mounting panel motion, the in-process of mounting panel motion, the felt of chalk can be erased by a large scale to the felt, therefore the positive and negative rotation of steerable motor, the felt can rub repeatedly to the show board, make the felt can be quick wipe the script, practice thrift the class time, it is very convenient, when the mounting panel moves to the both ends of guide bar, the motor can be closed, be convenient for take out and wipe the board, change or clear up the felt.

Drawings

Fig. 1 is a rear view structure diagram of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic front view of the present invention;

fig. 4 is a schematic structural view of the mounting plate and the lower guide block of the present invention.

In the figure: 1. a display board; 2. a motor frame; 3. a motor; 4. a screw; 5. a bearing seat; 6. A thread plate; 7. an upper guide block; 8. a lower guide block; 9. a guide bar; 10. a support; 11. mounting a plate; 12. wiping the board; 13. felt; 14. a first channel; 15. a second channel; 16. a fan box; 17. a blower; 18. a dust exhaust pipe; 19. a filter box; 20. a filter screen; 21. and air exhaust holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a portable display board for mathematics teachers in colleges and universities comprises a display board 1, a lower guide block 8 and a mounting plate 11, wherein one side of the display board 1 is fixedly connected with a motor frame 2, one side of the motor frame 2 is fixedly provided with a motor 3, the output end of the motor 3 is fixedly connected with a screw rod 4, one end of the screw rod 4 far away from the motor 3 is fixedly provided with a bearing seat 5, the bearing seat 5 is fixedly connected with the display board 1, the outer surface of the screw rod 4 is in threaded connection with a threaded plate 6, the top end of the threaded plate 6 is fixedly connected with an upper guide block 7, the lower guide block 8 is internally provided with a second channel 15, one end of the second channel 15 is provided with a fan box 16, one side of the fan box 16 far away from the lower guide block 8 is fixedly connected with a dust exhaust pipe 18, one end of the dust exhaust pipe 18 far away from the fan box 16 is provided with a filter box 19, and the filter screen 20 is arranged in the filter box 19, an air exhaust hole 21 is formed in one side of the filter box 19, when chalk notes are erased, under the action of the air blower 17, generated dust enters the inside of the first channel 14 through a dust inlet, then the dust sequentially passes through the second channel 15, the fan box 16 and the dust exhaust pipe 18 and enters the inside of the filter box 19, the dust can be filtered out through the filter screen 20, finally clean air is exhausted through the air exhaust hole 21, the dust is accumulated in the inside of the filter box 19, the situation that a large amount of dust floats indoors and influences the physical health of teachers or students is avoided, a good teaching environment is created, the filter box 19 is movably connected with the lower guide block 8, the air blower 17 is arranged in the inside of the fan box 16, guide holes are formed in the insides of the upper guide block 7 and the lower guide block 8, guide rods 9 are arranged in the guide holes, supports 10 are fixedly connected to two ends of the guide rods 9, and the number of the supports 10 is four, the four supports 10 are the same in shape and size, the supports 10 are fixedly connected with the display board 1, the bottom of the upper guide block 7 is fixedly connected with a mounting plate 11, dust inlets are respectively formed in two sides of the mounting plate 11, a first channel 14 is formed in the mounting plate 11, the first channel 14 is communicated with a second channel 15, the lower surface of the mounting plate 11 is fixedly connected with the lower guide block 8, a rectangular clamping groove is formed in one side, close to the display board 1, of the mounting plate 11, a wiping plate 12 is clamped in the rectangular clamping groove, a felt 13 is arranged on one side of the wiping plate 12, when chalk marks on the display board 1 need to be erased, the motor 3 is started to drive the screw rod 4 to rotate, the upper guide block 7 and the lower guide block 8 slide along the guide rod 9 under the action of the upper guide block 7, the lower guide block 8 and the guide rod 9, so as to drive the mounting plate 11 to move, and the felt 13 can erase the chalk marks of the chalk in a large area in the moving process of the mounting plate 11, consequently steerable motor 3 just reversing, felt 13 can rub repeatedly with show board 1 for the brush stroke is erased that felt 13 can be quick, practices thrift the time of giving a lesson, and is very convenient, when mounting panel 11 moves to the both ends of guide bar 9, can close the motor, is convenient for take out and wipes board 12, changes or clearance felt 13.

The utility model discloses in, when needing to erase chalk writing on show board 1, starter motor 3 drives screw rod 4 and rotates, at last guide block 7, under the effect of guide block 8 and guide bar 9, go up guide block 7 and lower guide block 8 and slide along guide bar 9, thereby drive mounting panel 11 motion, the in-process of mounting panel 11 motion, the script of chalk can be erased by a large scale to felt 13, consequently the positive and negative rotation of steerable motor 3, felt 13 can rub repeatedly with show board 1, make felt 13 can be quick erase the script, practice thrift the time of going to school, it is very convenient, when mounting panel 11 moves to the both ends of guide bar 9, can close the motor, be convenient for take out and wipe board 12, change or clear up felt 13, when erasing air-blower chalk note pen, under the effect of 17, the dust that produces enters into the inside of first passageway 14 through the dust inlet, then the dust loops through second passageway 15, Fan box 16 and dust exhaust pipe 18 enter into the inside of rose box 19, and filter screen 20 can filter the dust, and final clean air is discharged through exhaust hole 21, and the dust is piled up in the inside of rose box 19, avoids a large amount of dust to float indoor, influences mr or student's healthy, has created good teaching environment.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (2)

1. A portable display board for mathematics teachers in colleges and universities comprises a display board (1), a lower guide block (8) and a mounting plate (11), and is characterized in that a motor frame (2) is fixedly connected to one side of the display board (1), dust inlets are formed in two sides of the mounting plate (11), a first channel (14) is formed in the mounting plate (11), a second channel (15) is formed in the lower guide block (8), a fan box (16) is arranged at one end of the second channel (15), an air blower (17) is arranged in the fan box (16), a dust exhaust pipe (18) is fixedly connected to one side, far away from the lower guide block (8), of the fan box (16), a filter box (19) is arranged at one end, far away from the fan box (16), of the filter box (19) is movably connected with the lower guide block (8), a filter screen (20) is arranged in the filter box (19), and an air exhaust hole (21) is formed in one side of the filter box (19).

2. The portable display board for mathematics teachers in colleges and universities as claimed in claim 1, wherein a motor (3) is fixedly mounted on one side of the motor frame (2), a screw (4) is fixedly connected to the output end of the motor (3), a bearing seat (5) is fixedly mounted on one end of the screw (4) far away from the motor (3), the bearing seat (5) is fixedly connected with the display board (1), a threaded plate (6) is connected to the outer surface of the screw (4) in a threaded manner, an upper guide block (7) is fixedly connected to the top end of the threaded plate (6), guide holes are respectively formed in the upper guide block (7) and the lower guide block (8), a guide rod (9) is arranged in each guide hole, supports (10) are fixedly connected to both ends of the guide rod (9), and the number of the supports (10) is four, four the shape, the size homogeneous phase of support (10), support (10) and show board (1) fixed connection, the lower surface and lower guide block (8) fixed connection of mounting panel (11), the rectangle draw-in groove has been seted up to one side that mounting panel (11) are close to show board (1), the inside joint of rectangle draw-in groove has wipes board (12), the one side of wiping board (12) is provided with felt (13).

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