CN212256274U

CN212256274U - Multimedia playing device for education and teaching

Info

Publication number: CN212256274U
Application number: CN202021136899.7U
Authority: CN
Inventors: 张媛丽; 余婷
Original assignee: Army Engineering University of PLA
Current assignee: Army Engineering University of PLA
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2020-12-29
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses a multimedia playing device for education and teaching, including the device casing, the internal surface one side fixed mounting of device casing has first fixed blackboard, the internal surface opposite side fixed mounting of device casing has the fixed blackboard of second, the equal fixed mounting in front side position of the top inner wall of device casing and bottom inner wall has a slide, two movable mounting has the removal blackboard between the slide, the rear side inner wall intermediate position fixed mounting of device casing has the multimedia playing seat, the spout has been seted up on the surface of slide, slide mechanism is all installed to the upper surface and the lower surface of removal blackboard. Utility model's multimedia playing device installs the electronic screen in the middle of the blackboard to make things convenient for the student of each position to watch, when not using, can shelter from the electronic screen, avoid occuping to blackboard writing space, convenient and practical has good heat dissipation function simultaneously, the normal use of guarantee device.

Description

Multimedia playing device for education and teaching

Technical Field

The utility model relates to a teaching aid technical field especially relates to a multimedia playing device for education and teaching.

Background

With the development of science and technology, multimedia devices are more and more widely used in education and teaching in schools, and conventional projectors and projection screens are multimedia devices for playing teaching video contents, however, the projection effect on the projection screens is not ideal, so that electronic screens are more and more popular.

At present, the electronic screen general fixed in the teaching of prior art installs the podium one corner in the classroom, perhaps slidable mounting is on the blackboard, the former though can not occupy the blackboard area, but the position is more partially, cause harmful effects to watching of part student, the latter is located the podium medial side, and can move the position according to the demand, but can occupy the certain proportion area of blackboard writing all the time, cause the use comparatively unfavorable to the blackboard, and the electronic screen during operation can generate heat and scald, be difficult for dispelling the heat in the blackboard position, comparatively unfavorable in the use of electronic screen, therefore, we have provided a multimedia play device for educational teaching.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a multimedia playing device for education and teaching.

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

a multimedia playing device for education and teaching comprises a device shell, wherein a first fixed blackboard is fixedly mounted on one side of the inner surface of the device shell, a second fixed blackboard is fixedly mounted on the other side of the inner surface of the device shell, sliding seats are fixedly mounted on the front side of the inner wall of the top and the inner wall of the bottom of the device shell, a movable blackboard is movably mounted between the two sliding seats, a multimedia playing seat is fixedly mounted in the middle of the inner wall of the rear side of the device shell, sliding grooves are formed in the surface of the sliding seats, sliding mechanisms are mounted on the upper surface and the lower surface of the movable blackboard respectively, each sliding mechanism comprises a connecting seat fixedly connected with the movable blackboard, a connecting piece is fixedly connected to one end, away from the movable blackboard, of each connecting seat is movably mounted with a sliding roller, and the multimedia playing seat comprises a mounting plate fixedly connected, the utility model discloses a radiator, including mounting panel, front side outer wall middle position fixed mounting of mounting panel has the electronic screen, the equal fixed mounting in front side outer wall both ends edge position of mounting panel has the heat dissipation curb plate, heat dissipation curb plate internal surface fixed mounting has the radiator, the radiator includes the motor fixing base, the internal fixed mounting of motor fixing base has the heat dissipation motor, radiator fan is installed in the one end rotation of heat dissipation motor.

Preferably, the number of the connecting pieces is two, a rotating shaft is rotatably connected between the two connecting pieces, and the outer surface of the rotating shaft is rotatably connected with the sliding roller.

Preferably, the number of the sliding mechanisms is several, and the number of the heat sinks is four.

Preferably, the upper surface and the lower surface of the multimedia playing seat are both provided with mounting pieces, and threaded holes are formed in the mounting pieces.

Preferably, the electronic screen is a touch-control all-in-one machine.

Preferably, one side of the motor fixing seat is provided with a switch button, and the heat dissipation motor is electrically connected with an external power supply through the switch button.

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

1. in the utility model, the multimedia electronic screen is arranged in the middle of the blackboard by arranging the device shell, the first fixed blackboard, the second fixed blackboard, the sliding seat, the movable blackboard, the multimedia playing seat and the electronic screen, so that the multimedia electronic screen is convenient for students at various positions to watch, and when the device is not used, the movable blackboard can be pulled to be right ahead of the multimedia playing seat, so that the electronic screen is shielded, the occupation of blackboard writing space is avoided, and the device is convenient and practical;

2. in the utility model, by arranging the heat dissipation side plate, the radiator, the heat dissipation fan, the motor fixing seat and the heat dissipation motor, the electronic screen can be well ventilated and cooled during working, so that the heat of the electronic screen can be prevented from being discharged quickly, the normal use of the electronic screen is ensured, and the damage to the electronic screen caused by high temperature is avoided;

to sum up, the utility model discloses a multimedia playing device installs the electronic screen in the middle of the blackboard to make things convenient for the student of each position to watch, when not using, can shelter from the electronic screen, avoid occuping blackboard writing space, convenient and practical has good heat dissipation function simultaneously, ensures the normal use of device.

Drawings

Fig. 1 is a schematic structural diagram of a multimedia playing device for education and teaching according to the present invention;

fig. 2 is a partial side sectional view of a multimedia player for educational teaching according to the present invention;

fig. 3 is an enlarged view of a in fig. 2 of a multimedia playing apparatus for educational teaching according to the present invention;

fig. 4 is a schematic structural diagram of a multimedia playing base of a multimedia playing device for education and teaching according to the present invention;

fig. 5 is the utility model provides a structural schematic diagram of a radiator of a multimedia playing device for education and teaching.

In the figure: the device comprises a device shell 1, a first fixed blackboard 2, a second fixed blackboard 3, a sliding seat 4, a movable blackboard 5, a multimedia playing seat 6, a sliding chute 7, a sliding mechanism 8, a connecting seat 9, a connecting piece 10, a rotating shaft 11, a sliding roller 12, a mounting plate 13, an electronic screen 14, a heat dissipation side plate 15, a heat dissipation radiator 16, a heat dissipation fan 17, a mounting piece 18, a motor fixing seat 19 and a heat dissipation motor 20.

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.

The first embodiment is as follows:

referring to fig. 1-5, a multimedia playing device for education and teaching comprises a device housing 1, a first fixed blackboard 2 is fixedly installed on one side of the inner surface of the device housing 1, a second fixed blackboard 3 is fixedly installed on the other side of the inner surface of the device housing 1, sliders 4 are fixedly installed on the front side positions of the top inner wall and the bottom inner wall of the device housing 1, a movable blackboard 5 is movably installed between the two sliders 4, a multimedia playing seat 6 is fixedly installed on the middle position of the rear inner wall of the device housing 1, a sliding groove 7 is formed in the surface of the slider 4, sliding mechanisms 8 are installed on the upper surface and the lower surface of the movable blackboard 5, each sliding mechanism 8 comprises a connecting seat 9 fixedly connected with the movable blackboard 5, a connecting sheet 10 is fixedly connected to one end of the connecting seat 9 far away from the movable blackboard 5, and a, multimedia player seat 6 includes mounting panel 13 with device casing 1 fixed connection, the front side outer wall intermediate position fixed mounting of mounting panel 13 has electronic screen 14, the equal fixed mounting in front side outer wall both ends edge of mounting panel 13 has heat dissipation curb plate 15, heat dissipation curb plate 15 internal surface fixed mounting has radiator 16, radiator 16 includes motor fixing base 19, the internal surface fixed mounting of motor fixing base 19 has heat dissipation motor 20, heat dissipation motor 20's one end is rotated and is installed radiator fan 17.

The number of the connecting pieces 10 is two, a rotating shaft 11 is rotatably connected between the two connecting pieces 10, and the outer surface of the rotating shaft 11 is rotatably connected with the sliding roller 12.

The number of the sliding mechanisms 8 is several, and the number of the radiators 16 is four.

Wherein, the upper surface and the lower surface of multimedia playing seat 6 all are equipped with mounting piece 18, and set up threaded hole on the mounting piece 18.

The electronic screen 14 is a touch-control all-in-one machine.

Example two:

The electronic screen 14 is a touch-control all-in-one machine.

Wherein, one side of the motor fixing seat 19 is provided with a switch button, and the heat dissipation motor 20 is electrically connected with an external power supply through the switch button.

The working principle is as follows: when in use, the multimedia electronic screen 14 is arranged in the middle of the blackboard through the arrangement of the device shell 1, the first fixed blackboard 2, the second fixed blackboard 3, the sliding seat 4, the movable blackboard 5, the multimedia playing seat 6 and the electronic screen 14, so that the viewing of students at various positions is convenient, when not in use, the movable blackboard 5 can be pulled to be right ahead of the multimedia playing seat 6, so that the electronic screen 14 is shielded, the occupation of blackboard writing space is avoided, the multimedia playing device is convenient and practical, the electronic screen 14 in work can be well ventilated and radiated through the arrangement of the radiating side plates 15, the radiator 16, the radiating fan 17, the motor fixing seat 19 and the radiating motor 20, so that the heat of the electronic screen 14 cannot be quickly discharged, the normal use of the electronic screen 14 is ensured, and the damage to the electronic screen 14 caused by high temperature is avoided, the multimedia playing device of the utility model installs the electronic screen 14 in the middle of the blackboard, therefore, the electronic screen 14 can be shielded when the electronic screen is not used, occupation of blackboard writing space is avoided, convenience and practicability are achieved, a good heat dissipation function is achieved, and normal use of the device is guaranteed.

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. The utility model provides a multimedia playing device for educational and educational, includes device casing (1), its characterized in that, the internal surface one side fixed mounting of device casing (1) has first fixed blackboard (2), the internal surface opposite side fixed mounting of device casing (1) has second fixed blackboard (3), the equal fixed mounting in front side position of the top inner wall of device casing (1) and bottom inner wall has slide (4), two movable mounting has between slide (4) removes blackboard (5), the rear side inner wall intermediate position fixed mounting of device casing (1) has multimedia playing seat (6), spout (7) have been seted up on the surface of slide (4), slide mechanism (8) are all installed to the upper surface and the lower surface of removing blackboard (5), slide mechanism (8) include with remove blackboard (5) fixed connection's connecting seat (9), connecting seat (9) are kept away from one end fixedly connected with connection piece (10) of removing blackboard (5), movable mounting has slip gyro wheel (12) on connection piece (10), multimedia play seat (6) include with device casing (1) fixed connection's mounting panel (13), the front side outer wall intermediate position fixed mounting of mounting panel (13) has electronic screen (14), the equal fixed mounting in front side outer wall both ends edge position of mounting panel (13) has heat dissipation curb plate (15), heat dissipation curb plate (15) internal fixed surface installs radiator (16), radiator (16) include motor fixing base (19), the internal fixed surface of motor fixing base (19) installs heat dissipation motor (20), the one end rotation of heat dissipation motor (20) installs radiator fan (17).

2. The multimedia player for educational teaching according to claim 1, wherein the number of the connecting pieces (10) is two, a rotation shaft (11) is rotatably connected between the two connecting pieces (10), and an outer surface of the rotation shaft (11) is rotatably connected with the sliding roller (12).

3. Multimedia playback device for educational teaching according to claim 1, wherein the number of sliding mechanisms (8) is several and the number of heat sinks (16) is four.

4. The multimedia playing device for education and teaching according to claim 1, wherein the multimedia playing base (6) is provided with mounting pieces (18) on the upper surface and the lower surface, and the mounting pieces (18) are provided with threaded holes.

5. The multimedia player for educational teaching according to claim 1, wherein the electronic screen (14) is a touch-sensitive all-in-one machine.

6. The multimedia player for education and teaching according to claim 1, wherein the motor holder (19) has a switch button on one side thereof, and the heat dissipation motor (20) is electrically connected to an external power source through the switch button.