CN214042641U

CN214042641U - Display device is used in mathematics and information science teaching

Info

Publication number: CN214042641U
Application number: CN202120338586.8U
Authority: CN
Inventors: 高政元
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-06
Filing date: 2021-02-06
Publication date: 2021-08-24
Anticipated expiration: 2031-02-06

Abstract

The utility model discloses a display device is used in mathematics and information science teaching relates to display device technical field is used in the teaching. The utility model discloses a teaching show cupboard, one side hinged joint of teaching show cupboard has sealing door, and the inside bottom mounting of teaching show cupboard has the host computer body, and the top of host computer body is fixed with drive machine, and drive machine's output is fixed with transmission bevel gear, and one side meshing of transmission bevel gear is linked there is driven bevel gear, and driven bevel gear's inside is fixed with the transmission post, and the both ends of transmission post all are fixed with the straight-teeth gear, the utility model discloses a structure is adjusted to a series of, can carry out altitude mixture control to liquid crystal display, a series of heat abstractor of rethread, can dispel the heat fast to the host computer body, and then improve the teaching quality, a series of grafting of rethread and clamping structure can fix the show board, fix the paper education drawing on the anchor clamps frame, make things convenient for mr imparts knowledge to students for the teaching progress.

Description

Display device is used in mathematics and information science teaching

Technical Field

The utility model belongs to the technical field of display device is used in the teaching, especially relate to a display device is used in mathematics and information science teaching.

Background

Along with the development of society, the mode of colleges and universities ' education also changes, in order to improve the teaching quality, many colleges and universities have now been equipped with host computer body science teaching equipment, because colleges and universities ' classroom student is numerous, the classroom is big, student's sight behind the seat is sheltered from by preceding student easily, however current host computer body teaching display device single structure, teaching display device can not adjust according to student's height, influence the teaching quality, colleges and universities's education subject is many simultaneously, the classroom links to each other, use frequently to host computer body teaching equipment, lack good heat abstractor, and lack the display device to the teaching material drawing, influence the teaching progress.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a display device is used in mathematics and information science teaching to current problem has been solved: current host computer body teaching display device single structure, teaching display device can not adjust according to student's height, influences the quality of teaching.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: a display device for mathematics and information science teaching comprises a teaching display cabinet, wherein one side of the teaching display cabinet is hinged with a sealing door, the bottom end inside the teaching display cabinet is fixed with a host body, the top of the host body is fixed with a transmission motor, the output end of the transmission motor is fixed with a transmission bevel gear, one side of the transmission bevel gear is meshed and linked with a driven bevel gear, the inside of the driven bevel gear is fixed with a transmission column, the two ends of the transmission column are both fixed with straight gears, the two sides of the host body are both fixed with supporting plates, the transmission column is rotationally connected with the supporting plates, one sides of the two straight gears are meshed and connected with racks, the bottom end inside the teaching display cabinet is positioned inside the racks and is fixed with a supporting rod, the supporting rod is slidably connected with the racks, and a transmission frame is fixed between the two racks, the rack is fixed with the support frame in the inside bottom of teaching show cupboard and the one side of keeping away from the rack, just rack and support frame sliding connection, the one end of host computer body is fixed with the heat dissipation box, just the heat dissipation box is inside by interior to being fixed with activated carbon adsorption box, radiator fan and filter screen outward in proper order, the inside bottom of teaching show cupboard and the rigidity that is close to the heat dissipation box have the battery, the top of driving frame is fixed with liquid crystal display.

Further, the one end of liquid crystal display is fixed with the connecting rod, the inside sliding connection of connecting rod has the round pin axle, the inside of round pin axle is fixed with the pull rod, just pull rod and connecting rod sliding connection, the one end of round pin axle just is located the inside of connecting rod and is provided with pressure spring, one side spring hinge connection of connecting rod has the show board, just the round pin axle is connected with the show board joint, the show board opposite side is fixed with the anchor clamps frame.

Furthermore, universal wheels are fixed at four end corners of the bottom of the teaching display cabinet.

Furthermore, a sliding rod is fixed at the bottom end of the rack, and the rack is connected with the support frame in a sliding mode through the sliding rod.

Furthermore, a rectangular groove is formed in the connecting rod and in a position corresponding to the pull rod, and the pull rod is connected with the connecting rod in a sliding mode through the rectangular groove.

Furthermore, the inside of show board and the position that corresponds with the round pin axle have seted up the jack, just the round pin axle passes through jack and show board plug connection.

The utility model discloses following beneficial effect has:

1. the utility model discloses a structure is adjusted to a series of, can carry out the altitude mixture control to liquid crystal display, and a series of heat abstractor of rethread can dispel the heat fast to the host computer body, and then improves the teaching quality.

2. The utility model discloses a series of pegs graft and clamping structure can fix the show board, fixes paper education drawing on the anchor clamps frame, makes things convenient for mr to teach for the teaching progress.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a rear view of the internal structure of the present invention;

FIG. 4 is a schematic view of the connection structure of the connection rod and the display board of the present invention;

FIG. 5 is a schematic view of the internal structure of the connecting rod of the present invention;

fig. 6 is an exploded view of the internal structure of the heat dissipation box of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a teaching display cabinet; 2. a sealing door; 3. a host body; 4. a drive motor; 5. a drive bevel gear; 6. a driven bevel gear; 7. a drive post; 8. a spur gear; 9. a support plate; 10. a rack; 11. a support bar; 12. a transmission frame; 13. a heat dissipation box; 14. a support frame; 15. a storage battery; 16. a liquid crystal display screen; 17. a connecting rod; 18. a pin shaft; 19. a pull rod; 20. a pressure spring; 21. a display board; 22. a clamp frame; 23. an activated carbon adsorption cartridge; 24. a heat radiation fan; 25. and (4) a filter screen.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention relates to a display device for mathematics and information science teaching, which comprises a teaching display cabinet 1.

Universal wheels are fixed at four end corners of the bottom of the teaching display cabinet 1.

One side of the teaching display cabinet 1 is hinged with a sealing door 2, the bottom end inside the teaching display cabinet 1 is fixed with a host body 3, the top of the host body 3 is fixed with a transmission motor 4, the output end of the transmission motor 4 is fixed with a transmission bevel gear 5, one side of the transmission bevel gear 5 is meshed and linked with a driven bevel gear 6, the interior of the driven bevel gear 6 is fixed with a transmission column 7, two ends of the transmission column 7 are both fixed with straight gears 8, two sides of the host body 3 are both fixed with supporting plates 9, the transmission column 7 is rotationally connected with the supporting plates 9, one sides of the two straight gears 8 are both meshed and connected with racks 10, the bottom end inside the teaching display cabinet 1 is positioned inside the racks 10 and is fixed with a supporting rod 11, the supporting rod 11 is slidably connected with the racks 10, a transmission rack 12 is fixed between the two racks 10, one side of the bottom end inside the teaching display cabinet 1 and far away from the racks 10 is fixed with a supporting frame 14, the rack 10 is connected with the support frame 14 in a sliding manner, a sliding rod is fixed at the bottom end of the rack 10, and the rack 10 is connected with the support frame 14 in a sliding manner through the sliding rod, so that the support frame 14 can support the rack 10 to avoid inclination;

the one end of host computer body 3 is fixed with heat dissipation box 13, and heat dissipation box 13 is inside to be fixed with active carbon adsorption box 23, radiator fan 24 and filter screen 25 in proper order from inside to outside, and the bottom of teaching show cupboard 1 inside and the position that is close to heat dissipation box 13 are fixed with battery 15, and the top of driving frame 12 is fixed with liquid crystal display 16.

One end of liquid crystal display 16 is fixed with connecting rod 17, the inside sliding connection of connecting rod 17 has round pin axle 18, the inside of round pin axle 18 is fixed with pull rod 19, and pull rod 19 and connecting rod 17 sliding connection, the rectangular channel has been seted up to the inside of connecting rod 17 and the position corresponding with pull rod 19, and pull rod 19 passes through rectangular channel and connecting rod 17 sliding connection, pulling pull rod 19 that can be better, the one end of round pin axle 18 and the inside that is located connecting rod 17 are provided with pressure spring 20, one side spring hinge joint of connecting rod 17 has display board 21, and round pin axle 18 is connected with display board 21 joint, the jack has been seted up to the inside of display board 21 and the position corresponding with round pin axle 18, and round pin axle 18 passes through jack and display board 21 plug connection, can make round pin axle 18 better to display board 21 plug connection fixed, display board 21 opposite side is fixed with anchor clamps frame 22.

One specific application of this embodiment is: firstly, a user moves a teaching display cabinet 1 to a proper position in a classroom, opens a sealing door 2, starts a main body 3 electrically connected with a storage battery 15, then drives a transmission motor 4 electrically connected with the storage battery 15 to rotate a transmission bevel gear 5 on the output end of the transmission motor 4 so as to drive a driven bevel gear 6 meshed and linked with the transmission bevel gear 5 to rotate, further drives a transmission post 7 fixedly connected with the driven bevel gear 6 to rotate, further drives a straight gear 8 at two ends of the transmission post 7 to rotate, and drives a rack 10 to move up and down under the meshed connection of the straight gear 8 and the rack 10, further drives a liquid crystal display screen 16 to move up and down, and simultaneously, under the support of a support frame 14, the liquid crystal display screen 16 is prevented from inclining, when the liquid crystal display screen 16 is adjusted to a certain height, each student can be ensured to see teaching contents, thereby guarantee the teaching quality, after host computer body 3 used the overlength time, radiator fan 24 through linking with battery 15 electricity carries out the work of dispelling the heat, at first radiator fan 24 carries the inside heat dissipation box 13 with the air after filter screen 25 filters, then filter the dust impurity absorption in the air through activated carbon adsorption box 23, the inside of host computer body 3 is carried to rethread radiator fan 24, thereby reach the effect of heat dissipation cooling, avoid host computer body 3 inside to cause the performance degradation because of dust impurity is too much simultaneously.

When the teacher need demonstrate the teaching material drawing, rotate the show board 21 with connecting rod 17 hinge connection, then pulling pull rod 19, make round pin axle 18 slide in to connecting rod 17, form the extrusion to pressure spring 20, make show board 21 and connecting rod 17 keep at the coplanar this moment, then loosen pull rod 19, make round pin axle 18 under pressure spring 20's characteristic, kick-back gets into in the inside jack of seting up of show board 21, thereby fix show board 21, then pass through the centre gripping of anchor clamps frame 22 with paper teaching material drawing fixed, thereby demonstrate the teaching to the teaching material drawing.

Claims

1. The utility model provides a display device is used in mathematics and information science teaching, includes teaching show cupboard (1), its characterized in that: one side of the teaching display cabinet (1) is hinged with a sealing door (2), a main body (3) is fixed at the bottom end inside the teaching display cabinet (1), a transmission motor (4) is fixed at the top of the main body (3), a transmission bevel gear (5) is fixed at the output end of the transmission motor (4), a driven bevel gear (6) is connected to one side of the transmission bevel gear (5) in a meshing and linking mode, a transmission column (7) is fixed inside the driven bevel gear (6), straight gears (8) are fixed at two ends of the transmission column (7), supporting plates (9) are fixed at two sides of the main body (3), the transmission column (7) is rotatably connected with the supporting plates (9), and racks (10) are connected to one sides of the two straight gears (8) in a meshing mode;

a support rod (11) is fixed at the bottom end inside the teaching display cabinet (1) and inside the rack (10), the supporting rod (11) is connected with the racks (10) in a sliding way, a transmission frame (12) is fixed between the two racks (10), a supporting frame (14) is fixed at the bottom end inside the teaching display cabinet (1) and at one side far away from the rack (10), the rack (10) is connected with the support frame (14) in a sliding way, one end of the main body (3) is fixed with a heat dissipation box (13), and an active carbon adsorption box (23), a heat radiation fan (24) and a filter screen (25) are sequentially fixed inside the heat radiation box (13) from inside to outside, the teaching display cabinet is characterized in that a storage battery (15) is fixed at the bottom end inside the teaching display cabinet (1) and close to the heat dissipation box (13), and a liquid crystal display screen (16) is fixed at the top of the transmission frame (12).

2. The display device for mathematics and information science teaching according to claim 1, characterized in that: one end of liquid crystal display (16) is fixed with connecting rod (17), the inside sliding connection of connecting rod (17) has round pin axle (18), the inside of round pin axle (18) is fixed with pull rod (19), just pull rod (19) and connecting rod (17) sliding connection, the one end of round pin axle (18) and the inside that is located connecting rod (17) are provided with compression spring (20), one side spring hinge connection of connecting rod (17) has show board (21), just round pin axle (18) is connected with show board (21) joint, show board (21) opposite side is fixed with anchor clamps frame (22).

3. The display device for mathematics and information science teaching according to claim 1, characterized in that: universal wheels are fixed at four end corners of the bottom of the teaching display cabinet (1).

4. The display device for mathematics and information science teaching according to claim 1, characterized in that: the bottom end of the rack (10) is fixed with a sliding rod, and the rack (10) is connected with the support frame (14) in a sliding mode through the sliding rod.

5. The display device for mathematics and information science teaching according to claim 2, characterized in that: the inside of connecting rod (17) and the position that corresponds with pull rod (19) have seted up the rectangular channel, just pull rod (19) pass through rectangular channel and connecting rod (17) sliding connection.

6. The display device for mathematics and information science teaching according to claim 2, characterized in that: the inside of show board (21) and the position that corresponds with round pin axle (18) have seted up the jack, just round pin axle (18) are through jack and show board (21) plug connection.