CN112205747A - Liftable multimedia platform is used in wisdom teaching - Google Patents
Liftable multimedia platform is used in wisdom teaching Download PDFInfo
- Publication number
- CN112205747A CN112205747A CN202011013814.0A CN202011013814A CN112205747A CN 112205747 A CN112205747 A CN 112205747A CN 202011013814 A CN202011013814 A CN 202011013814A CN 112205747 A CN112205747 A CN 112205747A
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- China
- Prior art keywords
- fixedly connected
- platform
- lifting platform
- lifting
- outer sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
- A47B9/10—Tables with tops of variable height with vertically-acting fluid cylinder
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B13/00—Details of tables or desks
- A47B13/08—Table tops; Rims therefor
- A47B13/081—Movable, extending, sliding table tops
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B19/00—Reading-desks; Lecterns; Pulpits, i.e. free-standing
- A47B19/06—Reading-desks; Lecterns; Pulpits, i.e. free-standing with adjustable top leaf
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/02—Tables or desks for office equipment, e.g. typewriters, keyboards with vertical adjustable parts
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/03—Tables or desks for office equipment, e.g. typewriters, keyboards with substantially horizontally extensible or adjustable parts other than drawers, e.g. leaves
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/04—Tables or desks for office equipment, e.g. typewriters, keyboards characterised by means for holding or fastening typewriters or computer equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a liftable multimedia platform for intelligent teaching, and relates to the technical field of teaching equipment. The invention comprises a lifting platform outer sleeve, wherein a lifting platform is movably connected in the lifting platform outer sleeve, and the lower end of the lifting platform outer sleeve is fixedly connected to a base; the upper end of the lifting table outer sleeve is fixedly connected with a box body, the upper end of the lifting table is fixedly connected with a table board, and a display screen is connected onto the table board; a hydraulic cylinder is fixedly connected to the bottom in the outer sleeve of the lifting platform, and a piston rod of the hydraulic cylinder is fixedly connected with the bottom of the lifting platform; the box is bottom closed, open-top column structure, and box inner wall symmetry sliding connection has the shrouding that a pair of level set up, connects a connecting rod, a fixed connection electric putter in the box, and electric putter's upper end fixed connection a connecting block, two connecting rods all articulate with the connecting block. The platform has the lifting function, is convenient to use, and the display screen can be accommodated in the box body and can be protected through the sealing plate.
Description
Technical Field
The invention belongs to the technical field of intelligent teaching equipment, and particularly relates to a liftable multimedia platform for intelligent teaching.
Background
An intelligent platform, also called a multimedia platform, is a product integrating a platform and a computer, has the functions of a common platform, integrates a computer in the intelligent platform, and is provided with a display on the desktop. Due to the adoption of a brand new integrated integral design and the multifunctional platform, the appearance is neat and attractive, the constraint of various connecting wires behind the PC in the prior art is eliminated, and the special safety and stability of the platform enable teachers to be easy, convenient and safe to operate in the application process.
The existing multifunctional platform still has some defects when in use;
1. the existing platform does not have the lifting function, and people with different heights need to bend down to click the display screen when using the platform, so that inconvenience is brought.
2. The display screen on the existing platform does not have a protection device, and the display screen is in an exposed state when not used, so that dust is easily fallen.
3. When the existing multifunctional platform is used and a computer is placed on a placing plate, the computer is easy to radiate heat and damage caused by incomplete heat radiation after long-term use due to the fact that no device capable of radiating wind is arranged.
Disclosure of Invention
The invention aims to provide a liftable multimedia platform for intelligent teaching, the lifting platform is driven to move up and down through a hydraulic cylinder, the use by personnel is facilitated, and when the liftable multimedia platform is not used, an electric push rod drives a sealing plate to seal a box body, so that the effect of protecting a display screen is achieved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a liftable multimedia platform for intelligent teaching, which comprises a lifting platform outer sleeve, wherein a lifting platform is movably connected in the lifting platform outer sleeve, and the lower end of the lifting platform outer sleeve is fixedly connected to a base; the upper end of the lifting table outer sleeve is fixedly connected with a box body, the lifting table penetrates through the box body, the upper end of the lifting table is fixedly connected with a table board, and a display screen is connected onto the table board; a pair of vertically arranged sliding plates is fixedly connected to the inner wall of the lifting table outer sleeve, the lifting table is connected between the two sliding plates in a sliding mode, and sliding grooves matched with the lifting table in a sliding mode are formed in the sliding plates; a hydraulic cylinder is fixedly connected to the bottom in the lifting platform outer sleeve, and a piston rod of the hydraulic cylinder is fixedly connected with the bottom of the lifting platform; the box is bottom closed, open-top column structure, box both sides face sliding connection has a pair of drawer, just box inner wall symmetry sliding connection has the shrouding that a pair of level set up, the shrouding is located the drawer top, just the box side be equipped with shrouding clearance fit's bar hole, the box inner wall be equipped with shrouding sliding fit's slide rail, two the one end that the shrouding is close to all articulates a connecting rod, an internal fixed connection electric putter, electric putter's upper end fixed connection connecting block, two the connecting rod all with the connecting block is articulated.
Further, the bottom of the base is fixedly connected with a roller.
Furthermore, one side of the sliding plate is fixedly connected with a pair of connecting plates, the connecting plates are of T-shaped structures, and the sliding plate is fixedly connected with the inner wall of the lifting platform outer sleeve through the connecting plates.
Furthermore, a cover plate is fixedly connected to the upper end of the lifting platform outer sleeve, and the lifting platform penetrates through the cover plate.
Further, the elevating platform is an internal hollow structure, the bottom of the elevating platform outer sleeve is fixedly connected with a fan, a vertical air pipe is fixedly connected to the fan, the upper end of the air pipe is prolonged to the inside of the elevating platform, the air pipe is movably matched with the elevating platform, an air outlet is formed in the opposite side face of the upper end of the elevating platform, and a ventilation hood is fixedly connected to the air outlet.
Further, the draft hood is an internal hollow structure, and a plurality of ventilation holes are formed in the side face of the draft hood.
Furthermore, the bottom of the box body is provided with a through hole which is movably matched with the lifting platform, and the lower surface of the box body is provided with a connecting sleeve which is fixedly connected with the outer sleeve of the lifting platform.
Further, one end fixed connection fixed block on the mesa, the display screen with the fixed block rotates to be connected, just fixedly connected with is used for contracting on the mesa the frame of display screen.
Furthermore, a plurality of heat dissipation holes are formed in the table board.
The invention has the following beneficial effects:
1. when the lifting platform is not used, the hydraulic cylinder drives the lifting platform to descend into the box body, the electric push rod drives the two sealing plates to seal the box body, the effect of protecting a display screen is achieved, and the display screen is prevented from falling ash.
2. According to the invention, the interior of the lifting platform is designed to be a hollow structure, the fan is connected with the air pipe, the air pipe extends into the lifting platform, and air is blown out of the ventilation hood through the lifting platform, so that the display screen is conveniently cooled, and the effect of cleaning ash in the box body can be achieved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection between the lifting platform and the lifting sleeve;
FIG. 3 is a schematic structural diagram of the case;
FIG. 4 is a schematic structural diagram of a mesa;
in the drawings, the components represented by the respective reference numerals are listed below:
1-lifting platform jacket, 2-lifting platform, 201-air outlet, 3-box body, 301-through hole, 302-connecting sleeve, 303-sliding rail, 4-table surface, 401-frame, 402-radiating hole, 403-fixing block, 5-display screen, 6-sliding plate, 601-connecting plate, 602-sliding groove, 7-hydraulic cylinder, 8-fan, 9-air pipe, 10-cover plate, 11-ventilating hood, 12-closing plate, 13-electric push rod, 14-connecting block, 15-connecting rod, 16-drawer, 17-base and 18-roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "inner wall," "lower," "inner wall," "top," "middle," "side," "inner," "peripheral," and the like are used merely for convenience in describing and simplifying the invention, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting the invention.
Referring to fig. 1-4, the present invention is a liftable multimedia platform for intelligent teaching, comprising a lifting platform jacket 1, wherein the lifting platform jacket 1 is movably connected with a lifting platform 2, and the lower end of the lifting platform jacket 1 is fixedly connected to a base 17; a box 3 is fixedly connected to the upper end of the lifting platform outer sleeve 1, the lifting platform 2 penetrates through the box 3, a table board 4 is fixedly connected to the upper end of the lifting platform 2, and a display screen 5 is connected to the table board 4.
Referring to fig. 2, the outer sleeve 1 of the lifting platform is fixedly connected with a pair of vertically arranged sliding plates 6 to the inner wall, the lifting platform 2 is slidably connected between the two sliding plates 6, and the sliding plates 6 are provided with sliding chutes 602 which are slidably matched with the lifting platform 2; the bottom of the outer lifting platform sleeve 1 is fixedly connected with a hydraulic cylinder 7, a piston rod of the hydraulic cylinder 7 is fixedly connected with the bottom of the lifting platform 2, the hydraulic cylinder 7 drives the lifting platform 2 to ascend when in use, and the hydraulic cylinder 7 drives the lifting platform 2 to descend into the box body 3 when not in use.
Please refer to fig. 3, the box 3 is a bottom-closed and top-opened structure, two side faces of the box 3 are slidably connected to a pair of drawers 16, inner walls of the box 3 are symmetrically and slidably connected to a pair of horizontally arranged sealing plates 12, the sealing plates 12 are disposed above the drawers 16, and the side faces of the box 3 are provided with strip-shaped holes movably matched with the sealing plates 12, inner walls of the box 3 are provided with sliding rails 303 slidably matched with the sealing plates 12, one ends of the two sealing plates 12 close to each other are hinged to connecting rods 15, an electric push rod 13 is fixedly connected in the box 3, an upper end of the electric push rod 13 is fixedly connected to a connecting block 14, the two connecting rods 15 are hinged to the connecting block 14, the electric push rod 13 drives the connecting block 14 to move.
Preferably, in order to facilitate the movement of the platform, rollers 18 are fixedly connected to the bottom of the base 17.
Preferably, one side of the sliding plate 6 is fixedly connected with a pair of connecting plates 601, the connecting plates 601 are in a T-shaped structure, and the sliding plate 6 is fixedly connected with the inner wall of the lifting table outer sleeve 1 through the connecting plates 601.
Preferably, the upper end of the lifting platform outer sleeve 1 is fixedly connected with a cover plate 10, and the lifting platform 2 penetrates through the cover plate 10.
Preferably, elevating platform 2 is inside hollow structure, 1 bottom fixedly connected with fan 8 of elevating platform overcoat, a vertical tuber pipe 9 of fixed connection on the fan 8, the upper end of tuber pipe 9 prolongs to elevating platform 2's inside, tuber pipe 9 and 2 clearance fits of elevating platform, an upper end opposite flank of elevating platform 2 all is equipped with an air outlet 201, air outlet 201 fixedly connected with cowl 11, the wind that fan 8 produced passes through tuber pipe 9 and reachs inside elevating platform 2, wind blows off from cowl 11 in, the convenience is dispelled the heat and is the deashing in the box 3 to display screen 5.
Preferably, the ventilation hood 11 is of an internal hollow structure, and a plurality of ventilation holes are formed in the side faces of the ventilation hood 11.
Preferably, the bottom of the box body 3 is provided with a through hole 301 which is movably matched with the lifting platform 2, the lower surface of the box body 3 is provided with a connecting sleeve 302 which is fixedly connected with the lifting platform jacket 1, and the connecting sleeve 302 is fixedly connected with the lifting platform jacket 1 through a bolt.
Preferably, as shown in fig. 4, one end of the table top 4 is fixedly connected with a fixing block 403, one end of the display screen 5 is provided with an opening, the opening of the display screen 5 is rotatably connected with the fixing block 403, and the table top 4 is fixedly connected with a frame 401 for contracting the display screen 5, so that the display screen 5 is convenient to rotate and use.
Preferably, in order to facilitate the blowing of the wind to the display screen 5, a plurality of heat dissipation holes 402 are formed on the table top 4.
One specific application of this embodiment is: when the multifunctional lifting table is used, the electric push rod 13 is controlled to drive the sealing plate 12 to move towards two sides, the hydraulic cylinder 7 drives the lifting table 2 to ascend, teaching use is facilitated, and wind generated by the fan 8 is blown out through the ventilation hood 11 and can dissipate heat of the display screen 5; when the display screen 5 is not used, the hydraulic cylinder 7 drives the lifting platform 2 to descend to the inside of the box body 3, the electric push rod 13 drives the two sealing plates 12 to move towards the middle, the box body 3 is sealed, and the effect of protecting the display screen 5 is achieved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The utility model provides a wisdom teaching is with liftable multi-media podium which characterized in that: the lifting platform comprises a lifting platform outer sleeve (1), wherein a lifting platform (2) is movably connected in the lifting platform outer sleeve (1), and the lower end of the lifting platform outer sleeve (1) is fixedly connected to a base (17);
the upper end of the lifting platform outer sleeve (1) is fixedly connected with a box body (3), the lifting platform (2) penetrates through the box body (3), the upper end of the lifting platform (2) is fixedly connected with a table board (4), and the table board (4) is connected with a display screen (5);
the lifting table outer sleeve (1) is fixedly connected with a pair of vertically arranged sliding plates (6) towards the inner wall, the lifting table (2) is connected between the two sliding plates (6) in a sliding manner, and sliding grooves (602) which are in sliding fit with the lifting table (2) are formed in the sliding plates (6);
a hydraulic cylinder (7) is fixedly connected to the bottom in the lifting platform outer sleeve (1), and a piston rod of the hydraulic cylinder (7) is fixedly connected with the bottom of the lifting platform (2);
box (3) are bottom-closed, open-top column structure, box (3) both sides face sliding connection has a pair of drawer (16), just box (3) inner wall symmetry sliding connection has shrouding (12) that a pair of level set up, shrouding (12) are located drawer (16) top, just box (3) side be equipped with shrouding (12) clearance fit's bar hole, box (3) inner wall be equipped with shrouding (12) sliding fit's slide rail (303), two the equal articulated connecting rod (15) of one end that shrouding (12) are close to, a box (3) internal fixation connects electric putter (13), the upper end fixed connection connecting block (14) of electric putter (13), two connecting rod (15) all with connecting block (14) are articulated.
2. The liftable multimedia platform for intelligent teaching according to claim 1, wherein rollers (18) are fixedly connected to the bottom of the base (17).
3. The liftable multimedia platform for intelligent teaching according to claim 1 or 2, wherein one side of the sliding plate (6) is fixedly connected with a pair of connecting plates (601), the connecting plates (601) are in a T-shaped structure, and the sliding plate (6) is fixedly connected with the inner wall of the lifting platform jacket (1) through the connecting plates (601).
4. The liftable multimedia platform for intelligent teaching according to claim 3, wherein a cover plate (10) is fixedly connected to the upper end of the platform jacket (1), and the lifting platform (2) penetrates through the cover plate (10).
5. The liftable multimedia platform for intelligent teaching according to claim 1, 2 or 4, wherein the lifting platform (2) is of an internal hollow structure, the bottom of the lifting platform jacket (1) is fixedly connected with a fan (8), the fan (8) is fixedly connected with a vertical air pipe (9), and the upper end of the air pipe (9) is extended into the lifting platform (2).
6. The liftable multimedia platform for intelligent teaching according to claim 5, wherein the air duct (9) is movably matched with the lifting platform (2), an air outlet (201) is formed in one side surface of the upper end of the lifting platform (2) opposite to the side surface, and a ventilation hood (11) is fixedly connected to the air outlet (201).
7. The liftable multimedia platform for intelligent teaching according to claim 6, wherein the ventilation hood (11) is of an internal hollow structure, and a plurality of ventilation holes are formed in the side surface of the ventilation hood (11).
8. The liftable multimedia platform for intelligent teaching according to claim 1, 2, 4 or 6, wherein the bottom of the box body (3) is provided with a through hole (301) movably matched with the lifting platform (2), and the lower surface of the box body (3) is provided with a connecting sleeve (302) fixedly connected with the outer sleeve (1) of the lifting platform.
9. The liftable multimedia platform for intelligent teaching according to claim 7, wherein a fixing block (403) is fixedly connected to one end of the platform (4), the display screen (5) is rotatably connected to the fixing block (403), and a frame (401) for retracting the display screen (5) is fixedly connected to the platform (4).
10. The liftable multimedia platform for intelligent teaching according to claim 8, wherein a plurality of heat dissipation holes (402) are formed on the platform surface (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011013814.0A CN112205747A (en) | 2020-09-24 | 2020-09-24 | Liftable multimedia platform is used in wisdom teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011013814.0A CN112205747A (en) | 2020-09-24 | 2020-09-24 | Liftable multimedia platform is used in wisdom teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112205747A true CN112205747A (en) | 2021-01-12 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011013814.0A Withdrawn CN112205747A (en) | 2020-09-24 | 2020-09-24 | Liftable multimedia platform is used in wisdom teaching |
Country Status (1)
| Country | Link |
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| CN (1) | CN112205747A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112974460A (en) * | 2021-03-01 | 2021-06-18 | 辽东学院 | English teaching device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205040923U (en) * | 2015-08-24 | 2016-02-24 | 深圳市耕耘教育装备科技有限公司 | Integrative podium of multi -media and integration multimedia teaching system |
| CN105559341A (en) * | 2015-12-23 | 2016-05-11 | 华东师范大学 | Intelligent digital rostrum |
| CN109393741A (en) * | 2018-12-07 | 2019-03-01 | 四川久舟科技有限公司 | A kind of informationization Electronic platform |
| CN210895886U (en) * | 2019-11-20 | 2020-06-30 | 广州华维咨询服务有限公司 | Novel multimedia teaching equipment |
| CN211186258U (en) * | 2019-11-13 | 2020-08-07 | 济南丽萱通讯科技有限公司 | Adjustable multifunctional platform |
-
2020
- 2020-09-24 CN CN202011013814.0A patent/CN112205747A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205040923U (en) * | 2015-08-24 | 2016-02-24 | 深圳市耕耘教育装备科技有限公司 | Integrative podium of multi -media and integration multimedia teaching system |
| CN105559341A (en) * | 2015-12-23 | 2016-05-11 | 华东师范大学 | Intelligent digital rostrum |
| CN109393741A (en) * | 2018-12-07 | 2019-03-01 | 四川久舟科技有限公司 | A kind of informationization Electronic platform |
| CN211186258U (en) * | 2019-11-13 | 2020-08-07 | 济南丽萱通讯科技有限公司 | Adjustable multifunctional platform |
| CN210895886U (en) * | 2019-11-20 | 2020-06-30 | 广州华维咨询服务有限公司 | Novel multimedia teaching equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112974460A (en) * | 2021-03-01 | 2021-06-18 | 辽东学院 | English teaching device |
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Application publication date: 20210112 |