CN213920465U

CN213920465U - Multimedia demonstration equipment

Info

Publication number: CN213920465U
Application number: CN202021971441.3U
Authority: CN
Inventors: 沈俊彦; 寿韬; 石中玉; 水玉香
Original assignee: Shanghai Leadpideas System Co ltd
Current assignee: Shanghai Leadpideas System Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-08-10
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a multimedia presentation equipment, including bottom plate, display screen and blackboard eraser, the bottom plate front end is equipped with the display screen, and the equal symmetry in display screen front side is equipped with the blackboard, the one end that the blackboard was kept away from each other all is equipped with logical groove one, leads to a groove top and is equipped with bearing one, and bearing one end is equipped with threaded rod one, and threaded rod one end is equipped with pivot one, and pivot one is equipped with motor one, and motor one and lead to a groove bottom fixed connection, left side be equipped with slider two on the threaded rod one, left side two right-hand members of slider are equipped with electric telescopic handle. The utility model discloses during the use, when demonstration equipment used and finished, made through motor two, pivot two, threaded rod two and the slider three that set up the blackboard makes to middle closed motion, simultaneously through logical groove two and the fixture block that sets up the blackboard joint to protected the display screen, reduced the damage rate of equipment, improved the life of equipment, easy operation, convenient and fast, the practicality is strong.

Description

Multimedia demonstration equipment

Technical Field

The utility model relates to a multimedia device technical field specifically is a multimedia presentation equipment.

Background

Multimedia is a complex of multiple media, typically including text, sound, and images. In a computer system, multimedia refers to a man-machine interactive information exchange and dissemination medium that combines two or more media. The media used include text, pictures, photos, sounds, animations and movies, and the interactive functions provided by the programs.

All be equipped with multimedia presentation equipment in the classroom of learning to imitate, traditional multimedia presentation equipment need clean the blackboard when using at present, cleans the in-process and often has great raise dust, and personnel inhale the harm that the dust can cause healthy. Therefore, the utility model provides a multimedia presentation device to solve the problem that the aforesaid was proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multimedia presentation equipment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a multimedia demonstration device comprises a bottom plate, a display screen and a blackboard eraser, wherein the display screen is arranged at the front end of the bottom plate, the front sides of the display screen are symmetrically provided with blackboards, one ends of the blackboards, which are far away from each other, are respectively provided with a first through groove, the top end of the first through groove is provided with a first bearing, the lower end of the bearing is provided with a first threaded rod, the lower end of the threaded rod is provided with a first rotating shaft, the lower end of the rotating shaft is provided with a first motor, the first motor is fixedly connected with the bottom end of the first through groove, the first threaded rod at the left side is provided with a second sliding block, the right end of the second sliding block at the left side is provided with an electric telescopic rod, the right end of the electric telescopic rod at the left side is provided with a blackboard eraser, the rear end of the blackboard eraser at the left side is contacted with the front end of the blackboard, the first bearing, the first threaded rod, the first rotating shaft, the first motor, the second sliding block, the electric telescopic rod and the first blackboard eraser are symmetrically arranged at the lower end of the blackboard, and the blackboard and bottom plate sliding connection, the blackboard upper end all is equipped with slider three, and the bottom plate upper end corresponds slider three and is equipped with spout two, and the second left end of spout is equipped with motor two, and the second right-hand member of motor is equipped with pivot two, and the second right-hand member of pivot is equipped with threaded rod two, and the second right-hand member of threaded rod is equipped with bearing two, and bearing two and the second right-hand member inner wall fixed connection of spout.

As a further scheme of the utility model, left side threaded rod one runs through slider two, and slider two and a threaded connection of threaded rod, and two left ends of slider and logical groove left end are laminated mutually.

As the utility model discloses scheme further again, the bottom plate corresponds the display screen downside and is equipped with the receiver, and the receiver joint is on the bottom plate.

As the utility model discloses the scheme of furthering again, two threaded rods run through slider three, and slider three and two threaded connection of threaded rod.

As the utility model discloses further scheme again, left side the blackboard right-hand member is equipped with logical groove two, the right side the corresponding logical groove two of blackboard left end is equipped with the fixture block, just the mutual joint of blackboard.

As a further proposal of the utility model, a dust collector is arranged in the blackboard eraser, the dust collector is provided with an air suction pipe around corresponding to the blackboard eraser, the air suction pipe is provided with a plurality of air suction openings, and the air suction openings, the air suction pipe and the blackboard eraser are communicated.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses during the use, when needing to clean on the blackboard in the multimedia presentation equipment, the starter motor one, motor one drive pivot one and threaded rod one rotate to make two drive electric telescopic handle of slider and blackboard eraser carry out the up-and-down motion, start electric telescopic handle simultaneously and can make the blackboard eraser carry out the side-to-side motion, when the blackboard eraser is cleaned the blackboard, the starter motor two, motor two drives pivot two and threaded rod two rotates, thereby makes three drives of slider the blackboard to middle closed motion, makes the blackboard eraser right the one end that the blackboard was kept away from each other is cleaned, starts the dust catcher simultaneously, and the dust catcher passes through aspiration channel and inlet scoop and absorbs the elegant dust in the external world, has effectively prevented the raise dust when cleaning, has protected personnel's healthy, simultaneously automatic effectual personnel's physical labor volume that has reduced.

2. The utility model discloses during the use, when demonstration equipment used and finished, made through motor two, pivot two, threaded rod two and the slider three that set up the blackboard makes to middle closed motion, simultaneously through logical groove two and the fixture block that sets up the blackboard joint to protected the display screen, reduced the damage rate of equipment, improved the life of equipment, easy operation, convenient and fast, the practicality is strong.

Drawings

Fig. 1 is a schematic structural diagram of a multimedia presentation apparatus.

Fig. 2 is a schematic diagram of a blackboard eraser in a multimedia presentation device.

Fig. 3 is a right-view structural diagram of a left blackboard in a multimedia presentation device.

Fig. 4 is a left-side view structural diagram of a right blackboard in a multimedia presentation device.

In the figure: 1. a base plate; 2. a first through groove; 3. a first motor; 4. a first rotating shaft; 5. a first threaded rod; 6. a first sliding chute; 7. a first sliding block; 8. a storage box; 9. a display screen; 10. a blackboard; 11. a second sliding block; 12. an electric telescopic rod; 13. a blackboard eraser; 14. A first bearing; 15. a second motor; 16. a second rotating shaft; 17. a third sliding block; 18. a second threaded rod; 19. a second bearing; 20. a dust collector; 21. an air suction pipe; 22. an air suction opening; 23. a second through groove; 24. a clamping block; 25. and a second sliding chute.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in the embodiment of the present invention, a multimedia demonstration apparatus comprises a bottom plate 1, a display screen 9 and a blackboard eraser 13, wherein the display screen 9 is arranged at the front end of the bottom plate 1, a storage box 8 is arranged at the lower side of the bottom plate 1 corresponding to the display screen 9, the storage box 8 is clamped on the bottom plate 1, the blackboard 10 is symmetrically arranged at the front side of the display screen 9, a second through groove 23 is arranged at the right end of the blackboard 10 at the left side, a clamping block 24 is arranged at the right end of the blackboard 10 corresponding to the second through groove 23, the blackboards 10 are clamped with each other, a first through groove 2 is arranged at the end of the blackboard 10 away from each other, a first bearing 14 is arranged at the top end of the first through groove 2, a first threaded rod 5 is arranged at the lower end of the first bearing 14, a first rotating shaft 4 is arranged at the lower end of the first rotating shaft 4, the first motor 3 is fixedly connected with the bottom end of the first through groove 2, and a second sliding block 11 is arranged on the first threaded rod 5 at the left side, the left side the threaded rod 5 runs through slider two 11, and slider two 11 and threaded rod 5 threaded connection, and the left end of slider two 11 with lead to groove 2 left end laminating, the left side the right-hand member of slider two 11 is equipped with electric telescopic handle 12, the left side the right-hand member of electric telescopic handle 12 is equipped with blackboard eraser 13, and the left side blackboard eraser 13 rear end and left side blackboard 10 front end contact, be equipped with dust catcher 20 in the blackboard eraser 13, dust catcher 20 corresponds blackboard eraser 13 and is equipped with aspiration channel 21 all around, is equipped with a plurality of inlet scoops 22 on the aspiration channel 21, and inlet scoop 22, aspiration channel 21 and blackboard eraser 13 are linked together, bearing 14, threaded rod 5, pivot 4, motor 3, slider two 11, electric telescopic handle 12 and blackboard eraser 13 all symmetry set up, the blackboard 10 lower extreme all is equipped with slider 7, and the bottom plate 1 lower extreme corresponds slider 7 and is equipped with spout 6, and

blackboard

10 and 1 sliding connection of bottom plate, blackboard 10 upper end all is equipped with three 17 of slider, and 1 upper end of bottom plate corresponds three 17 of slider and is equipped with two 25 of spout, and two 25 left ends of spout are equipped with two 15 of motors, and two 15 right-hand members of motor are equipped with two 16 of pivots, and two 16 right-hand members of pivot are equipped with two 18 of threaded rod, and two 18 right-hand members of threaded rod are equipped with two 19 of bearings, and two 19 of bearings and two 25 right-hand member inner wall fixed connection of spout, two 18 of threaded rod run through three 17 of slider, and three 17 of slider and two 18 threaded connection of threaded rod.

The utility model discloses a theory of operation is:

when the utility model is used, when the blackboard 10 in the multimedia demonstration device needs to be cleaned, the first motor 3 is started, the first motor 3 drives the first rotating shaft 4 and the first threaded rod 5 to rotate, so that the second slider 11 drives the electric telescopic rod 12 and the blackboard eraser 13 to move up and down, and the blackboard eraser 13 can move left and right by starting the electric telescopic rod 12 simultaneously, when the blackboard eraser 13 cleans the blackboard 10, the second motor 15 is started, the second motor 15 drives the second rotating shaft 16 and the second threaded rod 18 to rotate, so that the third slider 17 drives the blackboard 10 to move towards the middle closed state, so that the blackboard eraser 13 cleans one end of the blackboard 10 away from each other, the dust collector 20 is started simultaneously, the dust collector 20 absorbs the dust which is easy outside through the suction pipe 21 and the suction opening 22, the dust raising during the cleaning is effectively prevented, the health of the personnel is protected, and the physical labor of the personnel is effectively reduced by automation at the same time, when the demonstration equipment finishes using, make through motor two 15, pivot two 16, threaded rod two 18 and the slider three 17 that set up blackboard 10 is to middle closed motion, makes through logical groove two 23 and the fixture block 24 that sets up simultaneously blackboard 10 joint to protect display screen 9, reduced the damage rate of equipment, improved the life of equipment, easy operation, convenient and fast, the practicality is strong.

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

1. A multimedia demonstration device comprises a bottom plate (1), a display screen (9) and a blackboard eraser (13), and is characterized in that the display screen (9) is arranged at the front end of the bottom plate (1), blackboards (10) are symmetrically arranged on the front sides of the display screen (9), a first through groove (2) is formed in one ends, away from each other, of the blackboards (10), a first bearing (14) is arranged at the top end of the first through groove (2), a first threaded rod (5) is arranged at the lower end of the first bearing (14), a first rotating shaft (4) is arranged at the lower end of the first threaded rod (5), a first motor (3) is arranged at the lower end of the first rotating shaft (4), the first motor (3) is fixedly connected with the bottom end of the first through groove (2), a second sliding block (11) is arranged on the first threaded rod (5) on the left side, an electric telescopic rod (12) is arranged at the right end of the second sliding block (11) on the left side, and the electric telescopic rod (12) on the left side is provided with the blackboard eraser (13), the rear end of the blackboard eraser (13) on the left side is in contact with the front end of the blackboard (10) on the left side, the bearing I (14), the threaded rod I (5), the rotating shaft I (4), the motor I (3), the sliding block II (11), the electric telescopic rod (12) and the blackboard eraser (13) are symmetrically arranged, the sliding block I (7) is arranged at the lower end of the blackboard (10), the sliding groove I (6) is arranged at the lower end of the bottom plate (1) corresponding to the sliding block I (7), the blackboard (10) is in sliding connection with the bottom plate (1), the sliding block III (17) is arranged at the upper end of the blackboard (10), the sliding groove II (25) is arranged at the upper end of the bottom plate (1) corresponding to the sliding block III (17), the motor II (15) is arranged at the left end of the sliding groove II (25), the rotating shaft II (16) is arranged at the right end of the motor II (15), the threaded rod II (18) is arranged at the right end of the rotating shaft II (16), and the bearing II (19) is arranged at the right end of the threaded rod II (18), and the second bearing (19) is fixedly connected with the inner wall of the right end of the second sliding chute (25).

2. The multimedia presentation device according to claim 1, wherein the first threaded rod (5) on the left side penetrates through the second sliding block (11), the second sliding block (11) is in threaded connection with the first threaded rod (5), and the left end of the second sliding block (11) is attached to the left end of the first through groove (2).

3. A multimedia presentation device according to claim 1, wherein the base plate (1) is provided with a storage box (8) corresponding to the lower side of the display screen (9), and the storage box (8) is clamped on the base plate (1).

4. A multimedia presentation device according to claim 1, wherein the second threaded rod (18) extends through the third slider (17) and the third slider (17) is threadedly connected to the second threaded rod (18).

5. The multimedia presentation device according to claim 1, wherein the right end of the left blackboard (10) is provided with a second through groove (23), the left end of the right blackboard (10) is provided with a clamping block (24) corresponding to the second through groove (23), and the blackboards (10) are clamped with each other.

6. A multimedia presentation device according to claim 1, wherein a dust collector (20) is arranged in the blackboard eraser (13), the dust collector (20) is provided with an air suction pipe (21) corresponding to the periphery of the blackboard eraser (13), the air suction pipe (21) is provided with a plurality of air suction ports (22), and the air suction ports (22), the air suction pipe (21) and the blackboard eraser (13) are communicated.