CN220916833U

CN220916833U - Multimedia teaching device

Info

Publication number: CN220916833U
Application number: CN202322413266.6U
Authority: CN
Inventors: 张彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-09-06
Filing date: 2023-09-06
Publication date: 2024-05-10
Anticipated expiration: 2033-09-06

Abstract

The utility model discloses a multimedia teaching device, which comprises a podium, wherein a hollow plate is fixed at the bottom of the podium, a through groove is formed in the top of the podium, the through groove is communicated with the hollow plate, an inner concave plate is connected in a sliding manner in the hollow plate, a keyboard is placed in the inner concave plate, the inner walls of the two sides of the hollow plate are connected with a rotating shaft in a common rotating manner, two gears are fixed on the outer side of the rotating shaft, two toothed plates are fixed on one side of the inner concave plate, and the two toothed plates are respectively meshed with the corresponding gears. When shifting out the indent board from the hollow board, shift out the keyboard from the hollow board in, and drive the pinion rack when shifting out in the indent board to drive gear, pivot, solid fixed ring, connecting plate rotation, thereby turn over the display screen from leading to inslot, make the display screen face over the operator, and promote the indent board to in the hollow board after, the pinion rack removes and can drive the display screen and reverse rotate, the display screen accomodates to leading to inslot promptly, makes keyboard and display screen avoid the pollution of dust simultaneously.

Description

Multimedia teaching device

Technical Field

The utility model relates to the technical field of multimedia teaching, in particular to a multimedia teaching device.

Background

The multimedia teaching makes the teaching very convenient and practical, has become the indispensable teaching equipment of modern teaching, and the multimedia teaching mainly comprises computer equipment, projecting apparatus equipment etc. through passing through multimedia teaching device projection to wall cloth department with the teaching page in the multimedia teaching.

The utility model discloses a multimedia teaching device, including the podium, the computer standing groove is seted up to podium top upper surface, computer standing groove one side edge swing joint has the apron, the cavity has been seted up at the podium top, the inside swing joint of cavity has folding apron, cabinet is placed to podium both sides fixedly connected with stereo set, the positive swing joint of cabinet has the slip cabinet door is placed through the stereo set to the positive slip cabinet door that sets up of cabinet.

The multimedia teaching device in the above patent and the prior art has the following problems in the use process:

1. The flow of people in the classroom is large, the classroom needs to be cleaned after each teaching, dust is attached to a display screen in a computer during cleaning, and the display screen needs to be cleaned when the computer is used next time;

2. In addition, dust is easy to adhere to the keyboard when a classroom is cleaned, and the keyboard is special in structure and uneven, so that the dust is very inconvenient to clean.

Disclosure of utility model

Object of the utility model

Therefore, the present utility model is directed to a multimedia teaching apparatus, which solves the technical problem that dust is attached to a computer display screen and a keyboard when a classroom is cleaned, and the multimedia teaching apparatus needs to be cleaned after later use.

(II) technical scheme

In order to achieve the technical purpose, the utility model provides a multimedia teaching device:

The novel platform comprises a platform, a hollow plate is fixed at the bottom of the platform, a through groove is formed in the top of the platform and is communicated with the hollow plate, an inner concave plate is connected in the hollow plate in a sliding mode, a keyboard is placed in the inner concave plate, two inner walls of two sides of the hollow plate are connected with a rotating shaft in a rotating mode, two gears are fixed on the outer side of the rotating shaft, two toothed plates are fixed on one side of the inner concave plate and meshed with the corresponding gears respectively, a fixing ring is fixed in the middle of the rotating shaft, a connecting plate is fixed on the outer side of the fixing ring, a display screen is arranged on the platform, and a mounting plate is fixed on one side of the connecting plate and fixed on the display screen through bolts.

Preferably, a guide plate is fixed on one side of the toothed plate, guide grooves are formed in the inner walls of the two sides of the hollow plate, and the guide plate is in sliding fit in the guide grooves.

The guide groove and the guide plate are arranged, so that the guide plate slides in the guide groove when the toothed plate moves, and stable movement of the toothed plate is ensured.

Preferably, the guide hole is formed in the platform, the positioning rod is connected in the guide hole in a sliding manner, two positioning holes are formed in the top of the inner concave plate, and the positioning rod can be embedded in the positioning holes.

Preferably, the front of podium has seted up the spout, and spout and guiding hole are linked together, the locating lever outside is fixed with the poke rod, and poke rod sliding fit is in the spout.

Preferably, the projector is installed at the top of the podium, and the front of the concave plate is provided with a hand buckling groove.

It should be noted that, because of the arrangement of the hand buckling groove, the operator can conveniently pull the concave plate.

Preferably, a cover plate is arranged in the through groove, a cylindrical rod is fixed in the cover plate, and two ends of the cylindrical rod penetrate through the inner wall of the through groove and are positioned in the through groove to rotate.

From the above technical scheme, the application has the following beneficial effects:

1: when shifting out the indent board from the hollow board, shift out the keyboard from the hollow board in, and drive the pinion rack when shifting out in the indent board to drive gear, pivot, solid fixed ring, connecting plate rotation, thereby turn over the display screen from leading to inslot, make the display screen face over the operator, and promote the indent board to in the hollow board after, the pinion rack removes and can drive the display screen and reverse rotate, the display screen accomodates to leading to inslot promptly, makes keyboard and display screen avoid the pollution of dust simultaneously.

2: The toggle rod is moved upwards to drive the positioning rod to move upwards, the positioning rod can move the inner concave plate after moving out of one positioning hole of the inner concave plate, and the toggle rod is moved downwards, so that the positioning rod is embedded into the other positioning hole of the inner concave plate, namely the inner concave plate is fixed, and the display screen is fixed.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a multimedia teaching apparatus according to the present utility model;

Fig. 2 is a schematic sectional view of a local structure of a multimedia teaching apparatus according to the present utility model;

Fig. 3 is an enlarged schematic view of the structure a in fig. 2 according to the present utility model.

Description of the drawings: 1. a podium; 2. a hollow slab; 3. a through groove; 4. an inward concave plate; 5. a keyboard; 6. a rotating shaft; 7. a toothed plate; 8. a gear; 9. a fixing ring; 10. a connecting plate; 11. a mounting plate; 12. a display screen; 14. a guide groove; 15. a guide plate; 16. a guide hole; 17. a positioning rod; 18. positioning holes; 19. a chute; 20. a toggle rod; 21. a hand buckling groove; 22. a cover plate; 23. a projector; 24. a cylindrical rod.

Detailed Description

The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, the same or similar reference numerals indicate the same or similar parts and features. The drawings merely schematically illustrate the concepts and principles of embodiments of the disclosure and do not necessarily illustrate the specific dimensions and proportions of the various embodiments of the disclosure. Specific details or structures may be shown in exaggerated form in particular figures to illustrate related details or structures of embodiments of the present disclosure.

Referring to fig. 1-3:

example 1

The utility model provides a multimedia teaching device, including podium 1, podium 1's bottom is fixed with hollow slab 2, podium 1's top has been seted up and has been led to groove 3, and lead to groove 3 and hollow slab 2 to be linked together, sliding connection has interior recess board 4 in hollow slab 2, keyboard 5 has been placed in the recess board 4, hollow slab 2 both sides inner wall rotates jointly and is connected with pivot 6, the pivot 6 outside is fixed with two gears 8, one side of interior recess board 4 is fixed with two pinion racks 7, and two pinion racks 7 mesh with corresponding gear 8 respectively, the middle part of pivot 6 is fixed with solid fixed ring 9, gu fixed ring 9 outside is fixed with connecting plate 10, be provided with display screen 12 on podium 1, one side of connecting plate 10 is fixed with mounting panel 11, mounting panel 11 and display screen 12 are fixed mutually through the bolt.

Specifically, the guiding hole 16 has been seted up in the podium 1, sliding connection has locating lever 17 in the guiding hole 16, two locating holes 18 have been seted up at indent board 4 top, locating lever 17 can inlay and establish in the locating hole 18, spout 19 has been seted up in the front of podium 1, and spout 19 and guiding hole 16 are linked together, the locating lever 17 outside is fixed with poke rod 20, and poke rod 20 sliding fit is in spout 19, projector 23 is installed at the top of podium 1, hand catching groove 21 has been seted up in the front of indent board 4, be provided with apron 22 in logical groove 3, apron 22 internal fixation has cylindrical rod 24, the both ends of cylindrical rod 24 all run through the inslot 3 inner wall and lie in logical inslot 3 rotation.

When the device is used, the cover plate 22 is turned over from the through groove 3, then the poking rod 20 is upwards moved, the positioning rod 17 is driven to upwards move when the poking rod 20 is upwards moved, the positioning rod 17 is moved out of one of the positioning holes 18 of the concave plate 4, then the concave plate 4 is pulled out of the hollow plate 2, the toothed plate 7 is driven to move when the concave plate 4 is moved out, the gear 8 is driven to rotate when the toothed plate 7 is moved, the rotating shaft 6 is driven to rotate when the gear 8 rotates, the fixing ring 9 and the connecting plate 10 are driven to rotate when the rotating shaft 6 rotates, the display screen 12 is driven to rotate, the display screen 12 can be driven to overturn, the display screen 12 is just opposite to a user, then the poking rod 20 is downwards moved, and the positioning rod 17 is embedded into the other positioning hole 18 of the concave plate 4, and the concave plate 4 is fixed.

Example two

The utility model provides a multimedia teaching device, its on the basis of embodiment one, one side of pinion rack 7 is fixed with deflector 15, deflector 15 sliding fit is in deflector 14 all has been seted up to the inner wall of hollow board 2 both sides, one side of pinion rack 7 is fixed with deflector 15, deflector 14 has all been seted up to the inner wall of hollow board 2 both sides, deflector 15 sliding fit is in deflector 14, projector 23 is installed at the top of podium 1, hand catching groove 21 has been seted up in the front of indent board 4.

After the device is used, the toggle rod 20 is moved upwards again, the positioning rod 17 is moved out of one of the positioning holes 18 of the concave plate 4, then the concave plate 4 is pushed into the hollow plate 2, the concave plate 4 is moved to drive the toothed plate 7 to move, the toothed plate 7 drives the gear 8 and the rotating shaft 6 to rotate reversely, the display screen 12 can be driven to rotate in the direction close to the through groove 3, the display screen 12 is contained in the through groove 3, and the cover plate 22 is overturned, so that the through groove 3 is sealed.

The exemplary implementation of the solution proposed by the present disclosure has been described in detail hereinabove with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and adaptations can be made to the specific embodiments described above and that various combinations of the technical features, structures proposed by the present disclosure can be made without departing from the scope of the present disclosure, which is defined by the appended claims.

Claims

1. The utility model provides a multimedia teaching device, includes podium (1), its characterized in that, hollow board (2) are fixed with in the bottom of podium (1), logical groove (3) have been seted up at the top of podium (1), and lead to groove (3) and hollow board (2) and be linked together, sliding connection has interior concave plate (4) in hollow board (2), keyboard (5) have been placed in interior concave plate (4), hollow board (2) both sides inner wall joint rotation is connected with pivot (6), the pivot (6) outside is fixed with two gears (8), one side of interior concave plate (4) is fixed with two pinion racks (7), and two pinion racks (7) mesh with corresponding gear (8) respectively, the middle part of pivot (6) is fixed with solid fixed ring (9), gu fixed ring (9) outside is fixed with connecting plate (10), be provided with on the podium (1) and show screen (12), one side of connecting plate (10) is fixed with pivot (11), mounting panel (11) and mounting panel (12) are fixed mutually through the bolt.

2. The multimedia teaching device according to claim 1, characterized in that a guide plate (15) is fixed on one side of the toothed plate (7), guide grooves (14) are formed in inner walls of two sides of the hollow plate (2), and the guide plate (15) is slidably matched in the guide grooves (14).

3. The multimedia teaching device according to claim 1, characterized in that a guiding hole (16) is formed in the platform (1), a positioning rod (17) is slidably connected in the guiding hole (16), two positioning holes (18) are formed in the top of the inner concave plate (4), and the positioning rod (17) can be embedded in the positioning holes (18).

4. A multimedia teaching apparatus according to claim 3, characterized in that the front of the platform (1) is provided with a chute (19), and the chute (19) is communicated with the guide hole (16).

5. The multimedia teaching apparatus according to claim 4, wherein a toggle rod (20) is fixed on the outer side of the positioning rod (17), and the toggle rod (20) is slidably fitted in the sliding groove (19).

6. A multimedia teaching apparatus according to claim 1, characterized in that the projector (23) is mounted on the top of the podium (1), and the front of the concave plate (4) is provided with a hand-fastening groove (21).

7. The multimedia teaching device according to claim 1, wherein a cover plate (22) is arranged in the through groove (3), a cylindrical rod (24) is fixed in the cover plate (22), and two ends of the cylindrical rod (24) penetrate through the inner wall of the through groove (3) and are positioned in the through groove (3) to rotate.