CN217382330U - Projection display device for distance education - Google Patents
Projection display device for distance education Download PDFInfo
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- CN217382330U CN217382330U CN202221714884.3U CN202221714884U CN217382330U CN 217382330 U CN217382330 U CN 217382330U CN 202221714884 U CN202221714884 U CN 202221714884U CN 217382330 U CN217382330 U CN 217382330U
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- supporting plate
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- projection display
- rack
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Abstract
The utility model discloses a projection display device for distance education: the device comprises a bottom supporting plate, wherein an auxiliary supporting rod is arranged on the bottom supporting plate, and an action supporting plate is arranged at the top end of the auxiliary supporting rod; an auxiliary limiting frame is arranged on the action supporting plate, a limiting hole is formed in the auxiliary limiting frame, a motor and a speed reducer are arranged on the action supporting plate, and a gear is arranged at the output end of the speed reducer; the transmission mechanism comprises a sliding rod and a rack, the tail end of the rack and the tail end of the sliding rod are connected through an auxiliary connecting rod, the rack penetrates through a limiting hole in the auxiliary limiting frame and is meshed with a gear at the output end of the speed reducer; the auxiliary connecting rod is provided with a display panel. The user indirectly controls the outward movement of the transmission mechanism by using the control device, so that the two display panels are staggered. Two display panel can show the picture on two projectors, the teaching work of the reality of being convenient for, and when the student was doing the note, with mr's speed, had time to do the note, improves learning efficiency.
Description
Technical Field
The utility model relates to a distance education device specifically indicates a projection display device for distance education.
Background
Education refers narrowly to school education for specialized organizations; and refers broadly to social practice activities that affect the physical and mental development of a person.
When education is carried out, remote education is needed under the current and sometimes special conditions, and the remote education device can realize that a teacher gives lessons with students remotely in real time.
In the case where the existing remote education apparatus for education training is actually used, since the students need to continuously watch the courses, the contents that have been already spoken and written on the blackboard cannot exist for a long time while the lectures are being carried out. When students take notes, the students may not be able to keep up with the teacher and have no time to take notes. The course is easy to ignore, the course progress is backward, and the learning effect is reduced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the defect of above-mentioned technique, provide a projection display device for distance education.
In order to solve the technical problem, the utility model provides a technical scheme is a projection display device for distance education: the device comprises a bottom supporting plate, wherein an auxiliary supporting rod is arranged on the bottom supporting plate, and an action supporting plate is arranged at the top end of the auxiliary supporting rod;
the motion supporting plate is provided with two auxiliary limiting frames, the auxiliary limiting frames are provided with limiting holes, and the extending directions of the limiting holes on the two auxiliary limiting frames are the same; a distance exists between the two auxiliary limiting frames;
the action supporting plate is provided with a motor and a speed reducer, the motor and the speed reducer are in transmission connection, and the output end of the speed reducer is provided with a gear; the gear is positioned between the limiting holes on the two auxiliary limiting frames;
sliding sleeves are arranged on the upper part and the lower part of each of the two auxiliary limiting frames and are arranged in parallel;
the transmission mechanism comprises a sliding rod and a rack, the extending direction of the sliding rod is the same as the extending direction of the rack, and the tail end of the rack is connected with the tail end of the sliding rod through an auxiliary connecting rod; the sliding rod penetrates through the sliding sleeve and is in sliding fit with the sliding sleeve, and the rack penetrates through a limiting hole in the auxiliary limiting frame and is meshed with a gear at the output end of the speed reducer;
and a display panel is arranged on the auxiliary connecting rod.
As an improvement, a cabinet body is arranged on the bottom supporting plate, and a storage battery is arranged on the cabinet body;
the auxiliary supporting rod is provided with a control device;
the control device is electrically connected with the storage battery, and the control device is electrically connected with the motor.
As a refinement, the battery is a lithium battery.
As the improvement, four corners of the bottom supporting plate are provided with walking wheels.
As an improvement, the tail end of the sliding rod is provided with a blocking limiting block.
As an improvement, the blocking limiting block is fixed at the tail end of the sliding rod in a threaded connection mode.
As a refinement, the absolute value of the distance from the two display panels to the respectively connected auxiliary connecting rods is greater than the thickness of the display panels.
Compared with the prior art, the utility model the advantage lie in: the user indirectly controls the outward movement of the transmission mechanism by using the control device, so that the two display panels are staggered. Two display panel can show the picture on two projectors, the teaching work of the reality of being convenient for, and when the student was doing the note, with mr's speed, had time to do the note, improves learning efficiency.
Drawings
Fig. 1 is a front view schematic diagram of the projection display device for distance education according to the present invention.
Fig. 2 is a rear view structure diagram of the projection display device for distance education of the present invention.
Fig. 3 is a schematic view of the structure with the display panel removed.
Fig. 4 is a partially enlarged view of a portion a in fig. 2.
Fig. 5 is a partially enlarged view of fig. 3 at C.
Detailed Description
The following describes the projection display device for distance education in further detail with reference to the accompanying drawings.
With reference to the attached drawings, the projection display device for distance education comprises a bottom support plate 1, wherein an auxiliary support rod 2 is arranged on the bottom support plate 1, and a motion support plate 3 is arranged at the top end of the auxiliary support rod 2;
the motion supporting plate 3 is provided with two auxiliary limiting frames 4, the auxiliary limiting frames 4 are provided with limiting holes 5, and the extending directions of the limiting holes 5 on the two auxiliary limiting frames 4 are the same; a distance exists between the two auxiliary limiting frames 4;
the action supporting plate 3 is provided with a motor 6 and a speed reducer 7, the motor 6 is in transmission connection with the speed reducer 7, and the output end of the speed reducer 7 is provided with a gear 8; the gear 8 is positioned between the limiting holes 5 on the two auxiliary limiting frames 4;
the upper part and the lower part of each of the two auxiliary limiting frames 4 are provided with a sliding sleeve 9, and the two sliding sleeves 9 are arranged in parallel;
the transmission mechanism is in a U shape, the number of the transmission mechanisms is two, the transmission mechanisms are axisymmetrical about an axis where the gear 8 is located, the transmission mechanism comprises a sliding rod 10 and a rack 11, the extending direction of the sliding rod 10 is the same as the extending direction of the rack 11, and the tail end of the rack 11 is connected with the tail end of the sliding rod 10 through an auxiliary connecting rod 12; the sliding rod 10 passes through the sliding sleeve 9 and is in sliding fit with the sliding sleeve 9, and the rack 11 passes through the limiting hole 5 on the auxiliary limiting frame 4 and is meshed with the gear 8 at the output end of the speed reducer 7;
the auxiliary connecting rod 12 is provided with a display panel 13.
A cabinet body 14 is arranged on the bottom supporting plate 1, and a storage battery 15 is arranged on the cabinet body 14;
the auxiliary support rod 2 is provided with a control device 16;
the control device 16 is electrically connected with the storage battery 15, and the control device 16 is electrically connected with the motor 6.
The battery 15 is a lithium battery.
Four corners of the bottom supporting plate 1 are provided with traveling wheels 17.
The end of the sliding rod 10 is provided with a stop stopper 18.
The blocking stopper 18 is fixed to the end of the sliding rod 10 by means of screw connection.
The absolute value of the distance from the two display panels 13 to the respectively connected auxiliary connecting bar 12 is greater than the thickness of the display panels 13.
The utility model discloses when the concrete implementation, under initial state, two display panel 13 panels overlap, and auxiliary connecting rod 12 is close to supplementary spacing 4 promptly.
The user controls the operation of the motor 6 by using the control device 16, the operation of the motor 6 drives the operation of the speed reducer 7, the speed reducer 7 rotates the gear 8, and the gear 8 rotates to drive the rack 11 to move as the rack 11 passes through the limiting hole 5 on the auxiliary limiting frame 4 and is meshed with the gear 8 at the output end of the speed reducer 7, so that the transmission mechanism moves.
When the user shifts the two display panels 13 according to actual conditions, the user indirectly controls the outward movement of the transmission mechanism by using the control device 16, thereby shifting the two display panels 13.
Two display panel 13 can show the picture on two projectors, the teaching work of the reality of being convenient for, and when the student was making the note, with mr's speed, had time to make the note, improves learning efficiency.
After the use is completed, the user indirectly controls the inward movement of the transmission mechanism by using the control device 16, thereby overlapping the two display panels 13.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (7)
1. A projection display device for distance education, characterized in that: the device comprises a bottom supporting plate (1), wherein an auxiliary supporting rod (2) is arranged on the bottom supporting plate (1), and a motion supporting plate (3) is arranged at the top end of the auxiliary supporting rod (2);
the motion supporting plate (3) is provided with two auxiliary limiting frames (4), the number of the auxiliary limiting frames (4) is two, the auxiliary limiting frames (4) are provided with limiting holes (5), and the extending directions of the limiting holes (5) on the two auxiliary limiting frames (4) are the same; a distance exists between the two auxiliary limiting frames (4);
a motor (6) and a speed reducer (7) are arranged on the action supporting plate (3), the motor (6) is in transmission connection with the speed reducer (7), and a gear (8) is arranged at the output end of the speed reducer (7); the gear (8) is positioned between the limiting holes (5) on the two auxiliary limiting frames (4);
sliding sleeves (9) are arranged on the upper parts and the lower parts of the two auxiliary limiting frames (4), and the two sliding sleeves (9) are arranged in parallel;
the transmission mechanism is U-shaped, the number of the transmission mechanisms is two, the transmission mechanisms are axisymmetrical about an axis where the gear (8) is located, the transmission mechanism comprises a sliding rod (10) and a rack (11), the extending direction of the sliding rod (10) is the same as the extending direction of the rack (11), and the tail end of the rack (11) is connected with the tail end of the sliding rod (10) through an auxiliary connecting rod (12); the sliding rod (10) penetrates through the sliding sleeve (9) and is in sliding fit with the sliding sleeve (9), and the rack (11) penetrates through a limiting hole (5) in the auxiliary limiting frame (4) and is meshed with a gear (8) at the output end of the speed reducer (7);
and a display panel (13) is arranged on the auxiliary connecting rod (12).
2. A projection display apparatus for distance education as set forth in claim 1, wherein: a cabinet body (14) is arranged on the bottom supporting plate (1), and a storage battery (15) is arranged on the cabinet body (14);
the auxiliary supporting rod (2) is provided with a control device (16);
the control device (16) is electrically connected with the storage battery (15), and the control device (16) is electrically connected with the motor (6).
3. A projection display apparatus for distance education as set forth in claim 2, wherein: the battery (15) is a lithium battery.
4. A projection display apparatus for distance education as set forth in claim 1, wherein: four corners of the bottom supporting plate (1) are provided with traveling wheels (17).
5. A projection display apparatus for distance education as set forth in claim 1, wherein: the tail end of the sliding rod (10) is provided with a blocking limiting block (18).
6. A projection display apparatus for distance education as set forth in claim 5, wherein: the blocking limiting block (18) is fixed at the tail end of the sliding rod (10) in a threaded connection mode.
7. A projection display apparatus for distance education as set forth in claim 1, wherein: the absolute value of the distance from the two display panels (13) to the respectively connected auxiliary connecting rods (12) is larger than the thickness of the display panels (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221714884.3U CN217382330U (en) | 2022-07-06 | 2022-07-06 | Projection display device for distance education |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221714884.3U CN217382330U (en) | 2022-07-06 | 2022-07-06 | Projection display device for distance education |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217382330U true CN217382330U (en) | 2022-09-06 |
Family
ID=83091454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221714884.3U Active CN217382330U (en) | 2022-07-06 | 2022-07-06 | Projection display device for distance education |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217382330U (en) |
-
2022
- 2022-07-06 CN CN202221714884.3U patent/CN217382330U/en active Active
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