CN217583883U - Teaching projection arrangement that mr used - Google Patents
Teaching projection arrangement that mr used Download PDFInfo
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- CN217583883U CN217583883U CN202122570731.8U CN202122570731U CN217583883U CN 217583883 U CN217583883 U CN 217583883U CN 202122570731 U CN202122570731 U CN 202122570731U CN 217583883 U CN217583883 U CN 217583883U
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- fixedly connected
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- projecting apparatus
- fixing column
- gear
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Abstract
The utility model discloses a teaching projection arrangement that mr used, including the projecting apparatus, the last fixed surface of projecting apparatus is connected with down the fixed column, the top fixedly connected with upper fixed plate of lower fixed column, the fixed round bar of lower fixed surface of upper fixed plate is connected with, the surface cover of fixed round bar is equipped with the lifter plate, the lateral wall fixedly connected with installation pole of lifter plate, the tip fixedly connected with L shape guard plate of installation pole. The utility model discloses, through starting first motor, the output shaft of first motor can take threaded adjusting rod to rotate for the lifter plate can remove from top to bottom, thereby make the installation pole area L shape guard plate reciprocate, when the projecting apparatus does not use, L shape guard plate can move down, keep off in the front of projecting apparatus camera lens, can prevent dust to the camera lens of projecting apparatus, and the dust that has reduced projecting apparatus camera lens department is piled up, has avoided the dust to cause the influence to the use of projecting apparatus.
Description
Technical Field
The utility model relates to a teaching equipment technical field especially relates to a teaching projection arrangement that mr used.
Background
With the development of science and technology, people's lives are more and more convenient and faster at present, and the science and technology has manufactured a lot of instruments which are convenient to use in various fields, such as projection devices used in teaching, and classroom lectures are frequently encountered in teaching points such as new words and classical accidents, but students are too strange to the prior, and the simple introduction alone cannot arouse the learning interest of the students.
At present, the mr is in order to improve the effect of teaching, often need adopt projection arrangement to impart knowledge to students, however, current many teaching projection arrangement are not convenient for adjust, and simultaneously, projection arrangement generally does not protect to subsequent use can be influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a teaching projection device for teachers.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a teaching projection device for teachers comprises a projector, wherein the upper surface of the projector is fixedly connected with a lower fixing column, the top of the lower fixing column is fixedly connected with an upper fixing plate, the lower surface of the upper fixing plate is fixedly connected with a fixing round bar, the outer surface of the fixing round bar is sleeved with a lifting plate, the side wall of the lifting plate is fixedly connected with an installation rod, the end part of the installation rod is fixedly connected with an L-shaped protection plate, the side wall of the lower fixing column is fixedly connected with a fixing seat, and the upper surface of the fixing seat is provided with a first power assembly for driving the lifting plate to move;
the upper surface of upper fixed plate is provided with first connecting subassembly and second coupling assembling, first connecting subassembly is connected with the upper fixing column, the outer fixed surface of upper fixing column is connected with first gear, the top of upper fixing column is rotated and is connected with the installation roof, the lower surface of installation roof is provided with and is used for driving the rotatory second power component of first gear, the lateral wall of upper fixing column rotates and is connected with electric putter, electric putter is connected with second coupling assembling.
As a further description of the above technical solution:
the first power assembly comprises a first motor fixedly connected with the upper surface of the fixing seat, an output shaft of the first motor is fixedly connected with a threaded adjusting rod, the tail end of the threaded adjusting rod is rotatably connected with the lower surface of the upper fixing plate, and the outer surface of the threaded adjusting rod is in threaded connection with the lifting plate.
As a further description of the above technical solution:
the second power assembly comprises a second motor fixedly connected with the lower surface of the mounting top plate, an output shaft of the second motor is fixedly connected with a second gear, and the second gear is meshed with the first gear.
As a further description of the above technical solution:
and a plurality of mounting holes are formed in the surface of the mounting top plate in a penetrating manner.
As a further description of the above technical solution:
the first connecting assembly comprises a first U-shaped seat fixedly connected with the upper surface of the upper fixing plate, a first loop bar is fixedly connected to the inner wall of the first U-shaped seat, and the upper fixing column is rotatably connected to the outer surface of the first loop bar.
As a further description of the above technical solution:
the second connecting assembly comprises a second U-shaped seat fixedly connected with the upper surface of the upper fixing plate, a second loop bar is fixedly connected to the inner wall of the second U-shaped seat, and the electric push rod output shaft is rotatably connected to the outer surface of the second loop bar.
The utility model discloses following beneficial effect has:
1. compared with the prior art, this teaching projection arrangement that mr used, through starting first motor, the output shaft of first motor can take threaded adjusting rod to rotate, make the lifter plate move from top to bottom, thereby make installation pole area L shape guard plate reciprocate, when the projecting apparatus does not use, L shape guard plate can move down, keep off in front at the projecting apparatus camera lens, can prevent dust to the camera lens of projecting apparatus, the dust that has reduced projecting apparatus camera lens department is piled up, avoided the dust to cause the influence to the use of projecting apparatus.
2. Compared with the prior art, this teaching projection arrangement that mr used can take second gear to rotate through starting the second motor, and the second gear is taking first gear to rotate, and then makes the upper fixed column rotate to take the projecting apparatus to rotate, adjust suitable position, through starting electric putter, electric putter can make first loop bar take place to rotate, thereby lets the lower fixed column can take the projecting apparatus to swing suitable angle.
Drawings
Fig. 1 is a perspective view of a teaching projection device for teachers;
fig. 2 is a top-bottom isometric view of the teaching projection device for teachers;
fig. 3 is a side view of the teaching projection device for teachers.
Illustration of the drawings:
1. a projector; 2. a lower fixing column; 3. a fixed seat; 4. a first motor; 5. a threaded adjusting rod; 6. an upper fixing plate; 7. fixing the round bar; 8. a lifting plate; 9. mounting a rod; 10. an L-shaped guard plate; 11. a first U-shaped seat; 12. a first loop bar; 13. a second U-shaped seat; 14. a second loop bar; 15. an upper fixing column; 16. an electric push rod; 17. installing a top plate; 18. a first gear; 19. a second motor; 20. a second gear.
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 efforts all belong to the protection scope of the present invention.
Referring to fig. 1-3, the utility model provides a teaching projection arrangement that mr used: the projector comprises a projector 1, wherein a lower fixing column 2 is fixedly connected to the upper surface of the projector 1, an upper fixing plate 6 is fixedly connected to the top of the lower fixing column 2, a fixing round rod 7 is fixedly connected to the lower surface of the upper fixing plate 6, a lifting plate 8 is sleeved on the outer surface of the fixing round rod 7, an installation rod 9 is fixedly connected to the side wall of the lifting plate 8, an L-shaped protection plate 10 is fixedly connected to the end part of the installation rod 9, a fixing seat 3 is fixedly connected to the side wall of the lower fixing column 2, and a first power assembly for driving the lifting plate 8 to move is arranged on the upper surface of the fixing seat 3;
the first power assembly comprises a first motor 4 fixedly connected with the upper surface of the fixed seat 3, an output shaft of the first motor 4 is fixedly connected with a threaded adjusting rod 5, the tail end of the threaded adjusting rod 5 is rotatably connected with the lower surface of an upper fixed plate 6, the outer surface of the threaded adjusting rod 5 is in threaded connection with a lifting plate 8, and the first motor 4 can drive the threaded adjusting rod 5 to rotate when rotating;
the upper surface of the upper fixing plate 6 is provided with a first connecting assembly and a second connecting assembly, the first connecting assembly is connected with an upper fixing column 15, the outer surface of the upper fixing column 15 is fixedly connected with a first gear 18, the top of the upper fixing column 15 is rotatably connected with an installation top plate 17, a plurality of installation holes are formed in the surface of the installation top plate 17 in a penetrating mode, the device is conveniently installed on a wall top, the lower surface of the installation top plate 17 is provided with a second power assembly used for driving the first gear 18 to rotate, the second power assembly comprises a second motor 19 fixedly connected with the lower surface of the installation top plate 17, an output shaft of the second motor 19 is fixedly connected with a second gear 20, the second gear 20 is meshed with the first gear 18, and when the second gear 20 rotates, the first gear 18 can be driven to rotate;
the lateral wall of the upper fixing column 15 is rotatably connected with an electric push rod 16, and the electric push rod 16 is connected with a second connecting assembly.
First coupling assembling includes the first U-shaped seat 11 of being connected with fixed surface on the upper fixed plate 6, the first loop bar 12 of inner wall fixedly connected with of first U-shaped seat 11, upper fixing column 15 rotates the surface of connecting at first loop bar 12, second coupling assembling includes the second U-shaped seat 13 of being connected with fixed surface on the upper fixed plate 6, the inner wall fixedly connected with second loop bar 14 of second U-shaped seat 13, 16 output shafts of electric putter rotate the surface of connecting at second loop bar 14.
The working principle is as follows: when the projector is used, the second motor 19 is started to drive the second gear 20 to rotate, the second gear 20 drives the first gear 18 to rotate, and then the upper fixing column 15 is driven to rotate, so that the projector 1 can be driven to rotate and adjusted to a proper position;
by starting the electric push rod 16, the electric push rod 16 can enable the first sleeve rod 12 to rotate, so that the lower fixing column 2 can drive the projector 1 to swing to a proper angle;
through starting first motor 4, the output shaft of first motor 4 can take threaded adjusting rod 5 to rotate, because threaded adjusting rod 5 and lifter plate 8 threaded connection, and lifter plate 8's rotation is restricted by fixed round bar 7, so during threaded adjusting rod 5 rotated, lifter plate 8 can move from top to bottom, thereby make installation pole 9 take L shape guard plate 10 to reciprocate, when projecting apparatus 1 does not use, L shape guard plate 10 can move down, keep off in front of 1 camera lens of projecting apparatus, can protect the camera lens of projecting apparatus 1.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (1)
1. The utility model provides a teaching projection arrangement that mr used, includes projecting apparatus (1), its characterized in that: the upper surface of the projector (1) is fixedly connected with a lower fixing column (2), the top of the lower fixing column (2) is fixedly connected with an upper fixing plate (6), the lower surface of the upper fixing plate (6) is fixedly connected with a fixing round bar (7), the outer surface of the fixing round bar (7) is sleeved with a lifting plate (8), the side wall of the lifting plate (8) is fixedly connected with an installation rod (9), the end part of the installation rod (9) is fixedly connected with an L-shaped protection plate (10), the side wall of the lower fixing column (2) is fixedly connected with a fixing seat (3), and the upper surface of the fixing seat (3) is provided with a first power assembly for driving the lifting plate (8) to move;
the upper surface of the upper fixing plate (6) is provided with a first connecting assembly and a second connecting assembly, the first connecting assembly is connected with an upper fixing column (15), the outer surface of the upper fixing column (15) is fixedly connected with a first gear (18), the top of the upper fixing column (15) is rotatably connected with an installation top plate (17), the lower surface of the installation top plate (17) is provided with a second power assembly used for driving the first gear (18) to rotate, the side wall of the upper fixing column (15) is rotatably connected with an electric push rod (16), and the electric push rod (16) is connected with the second connecting assembly;
the first power assembly comprises a first motor (4) fixedly connected with the upper surface of the fixed seat (3), an output shaft of the first motor (4) is fixedly connected with a threaded adjusting rod (5), the tail end of the threaded adjusting rod (5) is rotatably connected with the lower surface of the upper fixed plate (6), and the outer surface of the threaded adjusting rod (5) is in threaded connection with the lifting plate (8);
the second power assembly comprises a second motor (19) fixedly connected with the lower surface of the mounting top plate (17), an output shaft of the second motor (19) is fixedly connected with a second gear (20), and the second gear (20) is meshed with the first gear (18);
a plurality of mounting holes are formed in the surface of the mounting top plate (17) in a penetrating manner;
the first connecting assembly comprises a first U-shaped seat (11) fixedly connected with the upper surface of the upper fixing plate (6), a first loop bar (12) is fixedly connected to the inner wall of the first U-shaped seat (11), and the upper fixing column (15) is rotatably connected to the outer surface of the first loop bar (12);
the second coupling assembling includes second U-shaped seat (13) with fixed surface is connected on upper fixed plate (6), the inner wall fixedly connected with second loop bar (14) of second U-shaped seat (13), electric putter (16) output shaft rotates the surface of connecting at second loop bar (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122570731.8U CN217583883U (en) | 2021-10-25 | 2021-10-25 | Teaching projection arrangement that mr used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122570731.8U CN217583883U (en) | 2021-10-25 | 2021-10-25 | Teaching projection arrangement that mr used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217583883U true CN217583883U (en) | 2022-10-14 |
Family
ID=83526761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122570731.8U Active CN217583883U (en) | 2021-10-25 | 2021-10-25 | Teaching projection arrangement that mr used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217583883U (en) |
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2021
- 2021-10-25 CN CN202122570731.8U patent/CN217583883U/en active Active
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