CN216352821U - Computer application teaching instrument who facilitates use - Google Patents
Computer application teaching instrument who facilitates use Download PDFInfo
- Publication number
- CN216352821U CN216352821U CN202123046603.XU CN202123046603U CN216352821U CN 216352821 U CN216352821 U CN 216352821U CN 202123046603 U CN202123046603 U CN 202123046603U CN 216352821 U CN216352821 U CN 216352821U
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- China
- Prior art keywords
- fixedly connected
- sliding block
- projection screen
- computer application
- guide groove
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- 238000004883 computer application Methods 0.000 title claims abstract description 14
- 229920000742 Cotton Polymers 0.000 claims description 27
- 238000010030 laminating Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Overhead Projectors And Projection Screens (AREA)
Abstract
The utility model discloses a computer application teaching instrument convenient to use, and relates to the field of application teaching instruments. According to the utility model, the handle is arranged, an operator rotates the handle to drive the rotary table to rotate, the rotary table rotates to drive the rotary shaft to rotate through the rotary shaft, so that the cord is wound on the rotary shaft, the length of the cord is shortened, the height of the projection screen is driven to rise, the positioning pin and the positioning groove are arranged to be matched with each other, and the positioning pin is inserted into the positioning groove to limit the position of the projection screen.
Description
Technical Field
The utility model relates to the field of application teaching instruments, in particular to a computer application teaching instrument convenient to use.
Background
Teaching instruments are generally used in schools, have the function of teaching books and educating people to spread knowledge, and are teaching instruments. According to the application, the method can be divided into: scientific instruments, physical, chemical, electrochemical teaching, etc.
In the teaching process, projection devices are generally used for teaching, but when the projection devices are used, the following problems can exist: equipment is when using, and the student is when seeing the shadow, because every student's seat is different, and the teacher's lectern shelters from, and some students can not watch projected whole content, and it has the limitation.
SUMMERY OF THE UTILITY MODEL
An object of the present application is to provide a computer application teaching instrument that is convenient to use, so as to solve the problems proposed in the above-mentioned background art.
In order to achieve the above purpose, the present application provides the following technical solutions: a computer application teaching instrument convenient to use comprises a top plate, wherein a support rod is fixedly connected to the lower surface of the top plate, a projector is rotatably connected to the bottom end of the support rod, a connecting plate is fixedly connected to the front surface of the projector, a sliding groove is formed in the upper surface of the connecting plate, an electric push rod is fixedly connected to the lower surface of the top plate, a sliding block is rotatably connected to the bottom end of the electric push rod and is slidably connected with the inner wall of the sliding groove, a mounting plate is fixedly connected to the lower surface of the top plate, a guide groove is fixedly connected to the front surface of the mounting plate, a sliding block is slidably connected to the inner wall of the guide groove, the opposite surfaces of the left sliding block and the right sliding block are provided with the same projection screen, a fixing plate is fixedly connected to the right side of the guide groove, a through hole is formed in the upper surface of the fixing plate, and a pulley is rotatably connected to the front surface of the mounting plate, the upper surface of the right sliding block is fixedly connected with a cotton rope, the surface of the mounting plate is rotatably connected with a rotating shaft, the surface of the cotton rope is attached to the upper surface of the pulley, one end of the cotton rope penetrates through the through hole and is fixedly connected with the surface of the rotating shaft, one end of the rotating shaft is fixedly connected with a turntable, the surface of the turntable is fixedly connected with a handle, a plurality of positioning grooves are formed in the surface of the mounting plate, a small hole is formed in the front of the turntable, and a positioning pin is slidably connected to the inner wall of the small hole.
By the structure, the electric push rod is arranged, the electric push rod is started, the output end of the electric push rod drives the sliding block to slide along the inner wall of the sliding groove, so that the angle of the connecting plate is changed, the angle of the projector is driven to change, the fixed support of the projector is realized by arranging the supporting rod, the projector is arranged, the projection is matched with the projection screen for teaching, the guide groove is arranged, the movement of the sliding block is guided, the pulley is arranged, the cotton rope movement guide is provided, the cotton rope is supported at the same time, the through hole is arranged, the movement of the cotton rope is guided, the cotton rope is arranged, the height of the projection screen is driven to change, the handle is arranged, an operator rotates the handle to drive the rotary table to rotate, the rotary table rotates to drive the rotary shaft to rotate by arranging the rotary shaft, the cotton rope is wound on the rotary shaft, the length of the cotton rope is shortened, and the height of the projection screen is driven to rise, through setting up locating pin, constant head tank, mutually support for the locating pin inserts and carries on spacingly to the projection screen in the constant head tank.
Preferably, the projector is mounted at a middle position of the projection screen.
Furthermore, the projector is arranged in the middle of the projection screen, so that the image teaching materials are positioned in the middle of the projection screen after projection, and the students in the left and right directions can watch the images conveniently.
Preferably, the slider is adapted to an inner wall of the guide groove.
Further, through setting up the inner wall looks adaptation of slider and guide way for the motion of slider is more stable, can not make the projection screen produce at the in-process of motion and rock.
Preferably, the height of the pulley is greater than the height of the guide groove.
Furthermore, the height of the pulley is larger than that of the guide groove, so that the projection screen is driven to ascend through the support of the pulley after the thread rope is wound under stress.
Preferably, the positioning pin is matched with the positioning groove.
Furthermore, the positioning pins are matched with the positioning grooves, so that the height of the projection screen is kept stable.
In conclusion, the technical effects and advantages of the utility model are as follows:
in the utility model, the electric push rod is arranged and started, the output end of the electric push rod drives the sliding block to slide along the inner wall of the sliding groove, so that the angle of the connecting plate is changed, the angle of the projector is driven to change, the fixed support of the projector is realized by arranging the supporting rod, the projector is arranged and is matched with a projection screen for teaching, the movement of the sliding block is guided by arranging the guide groove, the movement guide of the cotton rope is provided by arranging the pulley, the cotton rope is supported at the same time, the movement of the cotton rope is guided by arranging the through hole, the height of the projection screen is driven to change by arranging the cotton rope, an operator rotates the handle to drive the rotary table to rotate by arranging the handle, the rotary table rotates to drive the rotary shaft to rotate by arranging the rotary shaft, so that the cotton rope is wound on the rotary shaft, the length of the cotton rope is shortened, and the height of the projection screen is driven to rise, through setting up locating pin, constant head tank, mutually support for the locating pin inserts and carries on spacingly in the constant head tank to the projection screen, borrows by above-mentioned structure, prevents that teacher's lectern from sheltering from the teaching content that can't watch projection screen projection.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic perspective view of an embodiment of the present application;
FIG. 2 is a schematic perspective view of a pulley and a fixing plate according to an embodiment of the present disclosure;
FIG. 3 is an enlarged schematic view of the embodiment of the present application at A in FIG. 2;
fig. 4 is a schematic perspective view of a sliding groove and a sliding block in the embodiment of the present application.
In the figure: 1. a top plate; 2. mounting a plate; 3. a guide groove; 4. a projection screen; 5. a support bar; 6. an electric push rod; 7. a projector; 8. a turntable; 9. a slider; 10. a pulley; 11. a fixing plate; 12. a cord; 13. positioning a groove; 14. positioning pins; 15. a handle; 16. a connecting plate; 17. a slider; 18. a chute.
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.
Example (b): referring to fig. 1-4, a convenient computer application teaching instrument comprises a top plate 1, a support rod 5 is fixedly connected to the lower surface of the top plate 1, a projector 7 is rotatably connected to the bottom end of the support rod 5, a connecting plate 16 is fixedly connected to the front surface of the projector 7, a sliding groove 18 is formed in the upper surface of the connecting plate 16, an electric push rod 6 is fixedly connected to the lower surface of the top plate 1, a sliding block 17 is rotatably connected to the bottom end of the electric push rod 6, the sliding block 17 is slidably connected to the inner wall of the sliding groove 18, a mounting plate 2 is fixedly connected to the lower surface of the top plate 1, a guide groove 3 is fixedly connected to the front surface of the mounting plate 2, a sliding block 9 is slidably connected to the inner wall of the guide groove 3, the opposite surfaces of the left and right sliding blocks 9 are provided with the same projection screen 4, a fixing plate 11 is fixedly connected to the right side of the right guide groove 3, a through hole is formed in the upper surface of the fixing plate 11, a pulley 10 is rotatably connected to the front surface of the mounting plate 2, the last fixed surface of right-hand slider 9 is connected with cotton rope 12, the surface rotation of mounting panel 2 is connected with the axis of rotation, the surface of cotton rope 12 is laminated with the upper surface of pulley 10, the one end of cotton rope 12 run through the through-hole and be connected with the fixed surface of axis of rotation, the one end fixedly connected with carousel 8 of axis of rotation, the fixed surface of carousel 8 is connected with handle 15, a plurality of constant head tanks 13 have been seted up on the surface of mounting panel 2, the aperture has been seted up in the front of carousel 8, the inner wall sliding connection of aperture has locating pin 14.
By the structure, the electric push rod 6 is arranged, the electric push rod 6 is started, the output end of the electric push rod 6 drives the sliding block 17 to slide along the inner wall of the sliding groove 18, so that the angle of the connecting plate 16 is changed, the angle of the projector 7 is changed, the fixed support of the projector 7 is realized by arranging the supporting rod 5, the projector 7 is arranged to be matched with the projection screen 4 for teaching, the movement of the sliding block 9 is guided by arranging the guide groove 3, the movement guide of the cotton rope 12 is given by arranging the pulley 10, the cotton rope 12 is supported at the same time, the movement of the cotton rope 12 is guided by arranging the through hole, the height of the projection screen 4 is driven to change by arranging the cotton rope 12, the handle 15 is arranged by an operator to rotate the handle 15 to drive the rotary table 8 to rotate, the rotary table 8 is rotated to drive the rotary shaft to rotate by arranging the rotary shaft, so that the cotton rope 12 is wound on the rotary shaft, make the length of cotton rope 12 shorten, drive the high rising of projection screen 4, through setting up locating pin 14, constant head tank 13, mutually support for locating pin 14 inserts and carries on spacingly in the constant head tank 13 to projection screen 4.
As a preferred embodiment in the present embodiment, the projector 7 is mounted at an intermediate position of the projection screen 4. Install in the intermediate position of projection screen 4 through setting up projecting apparatus 7, guarantee that the image teaching material department is in the intermediate position of projection screen 4 after the projection, the classmates of the left and right sides of being convenient for watch.
As a preferred embodiment in this embodiment, the slider 9 is adapted to the inner wall of the guide groove 3. Through the inner wall looks adaptation that sets up slider 9 and guide way 3 for the motion of slider 9 is more stable, can not make projection screen 4 produce at the in-process of motion and rock.
As a preferred embodiment in this embodiment, the height of the pulley 10 is greater than the height of the guide groove 3. The height of the pulley 10 is larger than that of the guide groove 3, so that the projection screen 4 is driven to ascend by the support of the pulley 10 after the rope 12 is wound by force.
As a preferred embodiment in this embodiment, the positioning pin 14 is adapted to the positioning groove 13. The positioning pin 14 is matched with the positioning groove 13, so that the height of the projection screen 4 is kept stable.
The working principle of the utility model is as follows: a computer application teaching instrument convenient to use is disclosed, when a user uses the computer application teaching instrument, the user opens a projector 7 to project the projector 7 on a projection screen 4 for teaching, if the height of the projection screen 4 needs to be adjusted, an operator can rotate a handle 15, the handle 15 rotates to drive a rotary disc 8 to rotate, the rotary disc 8 rotates to drive a rotary shaft to rotate, so that a cord 12 is wound on the rotary shaft, the length of the cord 12 is shortened, the support effect of a pulley 10 on the cord 12 drives a sliding block 9 to slide and rise along the inner wall of a guide groove 3, so as to drive the height of the projection screen 4 to rise, at the moment, an electric push rod 6 is started, an output end of the electric push rod 6 drives a sliding block 17 to slide along the inner wall of a sliding groove 18, so as to change the angle of a connecting plate 16, so as to drive the angle of the projector 7 to change, so that the angle of the projector 7 is aligned with the rising projection screen 4, after the position of the projection screen 4 is determined, insert locating pin 14 in the constant head tank 13, locating pin 14, constant head tank 13 mutually support, carry out spacing fixed to projection screen 4, borrow by above-mentioned structure, prevent that teacher's lectern from sheltering from the teaching content that can't watch projection screen 4 overhead projection.
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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (5)
1. A computer application teaching instrument that facilitates use, includes roof (1), its characterized in that: the lower surface of the top plate (1) is fixedly connected with a support rod (5), the bottom of the support rod (5) is rotatably connected with a projector (7), the front of the projector (7) is fixedly connected with a connecting plate (16), the upper surface of the connecting plate (16) is provided with a sliding groove (18), the lower surface of the top plate (1) is fixedly connected with an electric push rod (6), the bottom of the electric push rod (6) is rotatably connected with a sliding block (17), the sliding block (17) is slidably connected with the inner wall of the sliding groove (18), the lower surface of the top plate (1) is fixedly connected with a mounting plate (2), the front of the mounting plate (2) is fixedly connected with a guide groove (3), the inner wall of the guide groove (3) is slidably connected with a sliding block (9), the opposite surfaces of the left sliding block and the right sliding block (9) are provided with the same projection screen (4), and the right side of the guide groove (3) is fixedly connected with a fixing plate (11), the upper surface of fixed plate (11) has seted up the through-hole, the front of mounting panel (2) is rotated and is connected with pulley (10), and is right-hand the last fixed surface of slider (9) is connected with cotton rope (12), the surface rotation of mounting panel (2) is connected with the axis of rotation, the surface of cotton rope (12) and the upper surface laminating of pulley (10), the one end of cotton rope (12) run through the through-hole and be connected with the fixed surface of axis of rotation, the one end fixedly connected with carousel (8) of axis of rotation, the fixed surface of carousel (8) is connected with handle (15), a plurality of constant head tanks (13) have been seted up on the surface of mounting panel (2), the aperture has been seted up in the front of carousel (8), aperture inner wall sliding connection has locating pin (14).
2. A computer application teaching instrument for convenient use as claimed in claim 1 wherein: the projector (7) is arranged in the middle of the projection screen (4).
3. A computer application teaching instrument for convenient use as claimed in claim 1 wherein: the sliding block (9) is matched with the inner wall of the guide groove (3).
4. A computer application teaching instrument for convenient use as claimed in claim 1 wherein: the height of the pulley (10) is greater than that of the guide groove (3).
5. A computer application teaching instrument for convenient use as claimed in claim 1 wherein: the positioning pin (14) is matched with the positioning groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123046603.XU CN216352821U (en) | 2021-12-06 | 2021-12-06 | Computer application teaching instrument who facilitates use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123046603.XU CN216352821U (en) | 2021-12-06 | 2021-12-06 | Computer application teaching instrument who facilitates use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216352821U true CN216352821U (en) | 2022-04-19 |
Family
ID=81162034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123046603.XU Expired - Fee Related CN216352821U (en) | 2021-12-06 | 2021-12-06 | Computer application teaching instrument who facilitates use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216352821U (en) |
-
2021
- 2021-12-06 CN CN202123046603.XU patent/CN216352821U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220419 |
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| CF01 | Termination of patent right due to non-payment of annual fee |