CN214671296U - English teaching board convenient to operation demonstration - Google Patents
English teaching board convenient to operation demonstration Download PDFInfo
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- CN214671296U CN214671296U CN202120028097.2U CN202120028097U CN214671296U CN 214671296 U CN214671296 U CN 214671296U CN 202120028097 U CN202120028097 U CN 202120028097U CN 214671296 U CN214671296 U CN 214671296U
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- bevel gear
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- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of English teaching, in particular to an English teaching board convenient for operation and demonstration, which comprises a bottom board, wherein the bottom board is connected with a support rod, a sliding hole is in sliding fit with a fixed rod, the fixed rod is connected with a linkage board, the linkage board is connected with a placing board, the support rod is connected with a fixed board, the placing board is provided with a motor, the motor is connected with a screw rod, the placing board is connected with a connecting pipe, the connecting pipe is connected with a fixed block, the fixed block is connected with a display board, the connecting hole is connected with a connecting column, the connecting column is connected with a first bevel gear, the connecting pipe is connected with a fixed column, the fixed column is connected with a second bevel gear, the second bevel gear is engaged with a third bevel gear, the third bevel gear is connected with a connecting shaft, the connecting shaft is connected with a fourth bevel gear, the fourth bevel gear is engaged with a fifth bevel gear, the fifth bevel gear is connected with a connecting rod, and the height and the angle of the connecting rod can be adjusted, the effect of being convenient for students to watch and study.
Description
Technical Field
The utility model relates to an english teaching technical field specifically is an english teaching board convenient to operation demonstration.
Background
As is well known, students learn english in primary schools and junior high school, and while primary schools and junior high school accumulate and understand the period of english, teachers can give guidance to students in the spare time, and generally, english teaching boards are used.
Through search, the Chinese patent publication No. CN206907280U discloses an English teaching board convenient for operation and demonstration, which roughly comprises a first plate body, the bottom of the first plate body is fixedly provided with a supporting frame, one side surface of the first plate body is provided with a writing surface, the left side of the writing surface is provided with four rectangular grooves, and the four rectangular grooves are distributed up and down, the rubber layer is arranged in the rectangular grooves, the fixture block is movably arranged in the rectangular grooves, the slider is arranged on the fixture block, the utility model arranges the cord on the side surface of the teaching board, therefore, the marking rope coated with ink can be directly marked on the first plate body during marking, time and labor are saved, and a second plate body which can be extended and retracted is arranged in the first plate body, so that when the first plate body is not enough, the second plate body can be directly pulled out, the content on the first plate body is not influenced, and the following teaching content can be carried out on the second plate body.
However, when the scheme is used, the height and the angle are not adjustable, so that the student cannot watch and study conveniently.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a height and angle are all adjustable, the english teaching board of the operation demonstration of being convenient for that the student of being convenient for watched and study.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: an English teaching board convenient for operation and demonstration comprises a bottom board, wherein the left part and the right part of the top end of the bottom board are fixedly connected with supporting rods, the middle part of each supporting rod is provided with a sliding hole, the inner wall of each sliding hole is in sliding fit with a fixed rod, the top end of each fixed rod is fixedly connected with a linkage board, the top end of each linkage board is fixedly connected with a placing board, the opposite end of each supporting rod is fixedly connected with a fixed board, the middle part of the fixed board is provided with a threaded hole, the bottom end of the placing board is provided with a motor, the output end of the motor is fixedly connected with a screw rod, the circumferential outer wall of the screw rod is in threaded connection with the inner wall of the threaded hole, the middle part of the placing board is provided with a fixed groove, the top end of the placing board is fixedly connected with a connecting pipe, the upper part of the inner wall of the connecting pipe is rotatably connected with a fixed block, and the top end of the fixed block is fixedly connected with a display board, a connecting hole is arranged at the lower part of the fixed block, a connecting column is fixedly connected at the top end of the inner wall of the connecting hole, a first conical gear is fixedly connected at the bottom end of the connecting column, and the right end of the inner wall of the connecting pipe is rotationally connected with a fixed column, the left end of the fixed column is fixedly connected with a second bevel gear, the circumferential outer wall of the first bevel gear is meshed with the circumferential outer wall of the second bevel gear, a third bevel gear is meshed with the circumferential outer wall of the second bevel gear, the bottom end of the third bevel gear is fixedly connected with a connecting shaft, the bottom end of the connecting shaft penetrates through the placing plate and extends to the inside of the fixing groove, and the bottom end of the connecting shaft is fixedly connected with a fourth bevel gear, the circumferential outer wall of the fourth bevel gear is meshed with a fifth bevel gear, the left end fixedly connected with connecting rod of fifth conical gear, the left end of connecting rod runs through places the board and extends to the outside.
Preferably, the four corners of the bottom end of the bottom plate are fixedly connected with rollers.
Preferably, the bottom end of the screw is fixedly connected with a limiting plate.
Preferably, the left end of the connecting rod is fixedly connected with a rocker.
Preferably, the outer side wall of the rocker is provided with anti-slip lines.
Preferably, the inner wall of the connecting pipe is rotatably connected with the circumferential outer wall of the fixing block through a bearing.
(III) advantageous effects
Compared with the prior art, the utility model provides an english teaching board convenient to operation demonstration possesses following beneficial effect: by turning on the motor by a user, the output end of the motor drives the screw rod to rotate, and through the matching of the screw rod and the threaded hole, thereby driving the placing plate to move longitudinally, the placing plate driving the fixing rod to move longitudinally, the stability of the placing plate can be increased through the fixing rod, the placing plate driving the connecting pipe, the fixing block and the display plate to move longitudinally, and rotate the connecting rod through the user, the connecting rod drives fifth bevel gear and rotates, fifth bevel gear drives fourth bevel gear and rotates, fourth bevel gear passes through the connecting axle and drives third bevel gear and rotate, third bevel gear drives second bevel gear through the fixed column and rotates, second bevel gear drives first bevel gear and rotates, first bevel gear drives the spliced pole and rotates, the spliced pole drives the fixed block and rotates, the fixed block drives the show board and rotates, height and angle all can be adjusted have been reached, be convenient for the student watch with the effect of study.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a portion of the enlarged structure of FIG. 1;
FIG. 3 is a schematic top view of the present invention;
fig. 4 is a schematic view of the overlooking structure of the middle fixing plate, the supporting rod and the fixing rod of the present invention.
In the figure: 1. a base plate; 2. a support bar; 3. fixing the rod; 4. a linkage plate; 5. placing the plate; 6. a fixing plate; 7. a motor; 8. a screw; 9. a connecting pipe; 10. a fixed block; 11. a display board; 12. connecting columns; 13. a first bevel gear; 14. fixing a column; 15. a second bevel gear; 16. a third bevel gear; 17. a connecting shaft; 18. a fourth bevel gear; 19. a fifth bevel gear; 20. a connecting rod; 21. a roller; 22. a limiting plate; 23. a rocker; 24. and a bearing.
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 work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-4, the utility model relates to an english teaching board convenient for operation and demonstration, comprising a bottom board 1, wherein the left and right parts of the top end of the bottom board 1 are fixedly connected with supporting rods 2, the middle part of each supporting rod 2 is provided with a sliding hole, the inner wall of each sliding hole is slidably matched with a fixing rod 3, the top end of each fixing rod 3 is fixedly connected with a linkage board 4, the top end of each linkage board 4 is fixedly connected with a placing board 5, the opposite end of each supporting rod 2 is fixedly connected with a fixing board 6, the middle part of the fixing board 6 is provided with a threaded hole, the bottom end of the placing board 5 is provided with a motor 7, the motor 7 is a speed reducer, the motor 7 can rotate forwards and backwards, the output end of the motor 7 is fixedly connected with a screw rod 8, the circumferential outer wall of the screw rod 8 is connected with the inner wall of the threaded hole through a thread, the middle part of the placing board 5 is provided with a fixing groove, the top end of the placing board 5 is fixedly connected with a connecting pipe 9, the upper part of the inner wall of the connecting pipe 9 is rotatably connected with a fixed block 10, the top end of the fixed block 10 is fixedly connected with a display board 11, the lower part of the fixed block 10 is provided with a connecting hole, the top end of the inner wall of the connecting hole is fixedly connected with a connecting column 12, the bottom end of the connecting column 12 is fixedly connected with a first bevel gear 13, the right end of the inner wall of the connecting pipe 9 is rotatably connected with a fixed column 14, the left end of the fixed column 14 is fixedly connected with a second bevel gear 15, the circumferential outer wall of the first bevel gear 13 is meshed with the circumferential outer wall of the second bevel gear 15, the circumferential outer wall of the second bevel gear 15 is meshed with a third bevel gear 16, the bottom end of the third bevel gear 16 is fixedly connected with a connecting shaft 17, the bottom end of the connecting shaft 17 penetrates through the placing board 5 and extends to the inside of the fixed groove, the bottom end of the connecting shaft 17 is fixedly connected with a fourth bevel gear 18, the circumferential outer wall of the fourth bevel gear 18 is meshed with a fifth bevel gear 19, a connecting rod 20 is fixedly connected to a left end of the fifth bevel gear 19, and a left end of the connecting rod 20 penetrates the placing plate 5 and extends to the outside.
Further, the four corners of the bottom end of the bottom plate 1 are fixedly connected with idler wheels 21, the teaching board can be moved by a user conveniently through the idler wheels 21, the bottom end of the screw rod 8 is fixedly connected with a limiting plate 22, the occurrence of the situation that the screw rod 8 is separated from a threaded hole can be reduced through the limiting plate 22, the left end of the connecting rod 20 is fixedly connected with a rocker 23, the user can rotate the connecting rod 20 conveniently through the rocker 23, the outer side wall of the rocker 23 is provided with anti-skidding lines, the occurrence of the situation that the rocker 23 is separated from the hand of the user can be reduced through the anti-skidding lines, the inner wall of the connecting pipe 9 is rotatably connected with the circumferential outer wall of the fixing block 10 through a bearing 24, and the rotating speed of the fixing block 10 can be increased through the bearing 24; the motor 7 is turned on by a user, the output end of the motor 7 drives the screw rod 8 to rotate, the placing plate 5 is driven to longitudinally move by the matching of the screw rod 8 and the threaded hole, the placing plate 5 drives the fixing rod 3 to longitudinally move, the stability of the placing plate 5 can be increased by the fixing rod 3, the placing plate 5 drives the connecting pipe 9, the fixing block 10 and the display plate 11 to longitudinally move, the connecting rod 20 is driven by the user to rotate, the connecting rod 20 drives the fifth bevel gear 19 to rotate, the fifth bevel gear 19 drives the fourth bevel gear 18 to rotate, the fourth bevel gear 18 drives the third bevel gear 16 to rotate by the connecting shaft 17, the third bevel gear 16 drives the second bevel gear 15 to rotate by the fixing column 14, the second bevel gear 15 drives the first bevel gear 13 to rotate, the first bevel gear 13 drives the connecting column 12 to rotate, and the connecting column 12 drives the fixing block 10 to rotate, the fixed block 10 drives the display board 11 to rotate, so that the height and the angle of the display board can be adjusted, and the display board is convenient for students to watch and learn.
In summary, the working principle and working process of the english teaching board convenient for operation and demonstration are that, when in use, a user firstly turns on the motor 7, the output end of the motor 7 drives the screw 8 to rotate, the screw 8 and the threaded hole are matched to further drive the placing plate 5 to move longitudinally, the placing plate 5 drives the fixing rod 3 to move longitudinally, the placing plate 5 drives the connecting pipe 9, the fixing block 10 and the display plate 11 to move longitudinally, so as to adjust the height of the display plate 11, then the user rotates the rocker 23, the rocker 23 drives the connecting rod 20 to rotate, the connecting rod 20 drives the fifth bevel gear 19 to rotate, the fifth bevel gear 19 drives the fourth bevel gear 18 to rotate, the fourth bevel gear 18 drives the third bevel gear 16 to rotate through the connecting shaft 17, the third bevel gear 16 drives the second bevel gear 15 to rotate through the fixing column 14, the second bevel gear 15 drives the first bevel gear 13 to rotate, the first conical gear 13 drives the connecting column 12 to rotate, the connecting column 12 drives the fixing block 10 to rotate, the fixing block 10 drives the display board 11 to rotate, and the angle is adjusted; the motor 7 with the model 8245A is selected, the motor 7 is a known device which is directly purchased from the market and is known to those skilled in the art, the motor 7 is only used here, structural and functional improvements are not performed on the motor, detailed description is omitted here, the motor 7 is provided with a control switch matched with the motor 7, the installation position of the control switch is selected according to actual use requirements, operation control is convenient for an operator, and for forward and reverse rotation of the motor 7, as can be known from a patent disclosed by the patent No. CN203813706U, forward and reverse rotation of the motor 7 is known to those skilled in the art, and the technology is mature and can be realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an english teaching board convenient to operation demonstration, includes bottom plate (1), its characterized in that: the left part and the right part of the top end of the bottom plate (1) are fixedly connected with supporting rods (2), the middle part of each supporting rod (2) is provided with a sliding hole, the inner wall of each sliding hole is in sliding fit with a fixing rod (3), the top end of each fixing rod (3) is fixedly connected with a linkage plate (4), the top end of each linkage plate (4) is fixedly connected with a placing plate (5), the opposite end of each supporting rod (2) is fixedly connected with a fixing plate (6), the middle part of each fixing plate (6) is provided with a threaded hole, the bottom end of each placing plate (5) is provided with a motor (7), the output end of each motor (7) is fixedly connected with a screw rod (8), the circumferential outer wall of each screw rod (8) is in threaded connection with the inner wall of the threaded hole, the middle part of each placing plate (5) is provided with a fixing groove, and the top end of each placing plate (5) is fixedly connected with a connecting pipe (9), the upper part of the inner wall of the connecting pipe (9) is rotatably connected with a fixed block (10), the top end of the fixed block (10) is fixedly connected with a display board (11), the lower part of the fixed block (10) is provided with a connecting hole, the top end of the inner wall of the connecting hole is fixedly connected with a connecting column (12), the bottom end of the connecting column (12) is fixedly connected with a first bevel gear (13), the right end of the inner wall of the connecting pipe (9) is rotatably connected with a fixed column (14), the left end of the fixed column (14) is fixedly connected with a second bevel gear (15), the circumferential outer wall of the first bevel gear (13) is meshed with the circumferential outer wall of the second bevel gear (15), the circumferential outer wall of the second bevel gear (15) is meshed with a third bevel gear (16), the bottom end of the third bevel gear (16) is fixedly connected with a connecting shaft (17), and the bottom end of the connecting shaft (17) penetrates through the placing board (5) and extends to the inside of the fixing groove, and the bottom end of the connecting shaft (17) is fixedly connected with a fourth bevel gear (18), the circumferential outer wall of the fourth bevel gear (18) is meshed with a fifth bevel gear (19), the left end of the fifth bevel gear (19) is fixedly connected with a connecting rod (20), and the left end of the connecting rod (20) penetrates through the placing plate (5) and extends to the outside.
2. The english teaching board for facilitating manipulation of a presentation according to claim 1, wherein: the bottom end four corners of the bottom plate (1) are fixedly connected with idler wheels (21).
3. The english teaching board for facilitating manipulation of a presentation according to claim 2, wherein: the bottom end of the screw rod (8) is fixedly connected with a limiting plate (22).
4. An english teaching board for facilitating manipulation of a presentation according to claim 3, wherein: the left end of the connecting rod (20) is fixedly connected with a rocker (23).
5. The english teaching board for easy manipulation of demonstration according to claim 4, wherein: the outer side wall of the rocker (23) is provided with anti-skid grains.
6. The english teaching board for facilitating manipulation of a presentation according to claim 5, wherein: the inner wall of the connecting pipe (9) is rotatably connected with the circumferential outer wall of the fixed block (10) through a bearing (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120028097.2U CN214671296U (en) | 2021-01-06 | 2021-01-06 | English teaching board convenient to operation demonstration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120028097.2U CN214671296U (en) | 2021-01-06 | 2021-01-06 | English teaching board convenient to operation demonstration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214671296U true CN214671296U (en) | 2021-11-09 |
Family
ID=78514223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120028097.2U Expired - Fee Related CN214671296U (en) | 2021-01-06 | 2021-01-06 | English teaching board convenient to operation demonstration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214671296U (en) |
-
2021
- 2021-01-06 CN CN202120028097.2U patent/CN214671296U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211109 |