CN209842893U - Mathematical graph laser projector for teaching - Google Patents
Mathematical graph laser projector for teaching Download PDFInfo
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- CN209842893U CN209842893U CN201920079912.0U CN201920079912U CN209842893U CN 209842893 U CN209842893 U CN 209842893U CN 201920079912 U CN201920079912 U CN 201920079912U CN 209842893 U CN209842893 U CN 209842893U
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- laser projector
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- wall
- teaching
- circular
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Abstract
The utility model discloses a mathematical figure laser projector for teaching, which comprises a base plate, a support column is arranged in the middle of the top end of the base plate, a disc is arranged in the middle of the top end of the support column, a circular groove is arranged in the middle of the outer surface of the disc, a circular ring is arranged in the middle of the inner wall of the circular groove, a first semi-circular plate is arranged outside one end of the circular ring, grooves are arranged on the front and the back of one end of the first semi-circular plate, and bumps are arranged on the middle of the inner wall of the groove, the utility model has the advantages of scientific and reasonable structure, safe and convenient use, the laser projector can be disassembled through the disc, the circular groove, the circular ring, the grooves and the bumps, the disassembly difficulty of the laser projector is reduced, the maintenance of the laser projector is further facilitated for workers, the six-sided plate can be conveniently rotated, the rotation difficulty is further reduced, and further reduce the time that the teaching personnel angle of adjustment needs.
Description
Technical Field
The utility model relates to a teaching equipment technical field specifically is a mathematical graph laser projector is used in teaching.
Background
Analytic geometry is the key knowledge of middle school mathematics, the teacher when imparting analytic geometry knowledge, need with the various geometric figure of pink stroke on the blackboard, the method of drawing the picture by hand not only is time-consuming, and the figure of drawing is not too neatly, to the student who just touches analytic geometry, the not too neat geometric figure can influence their understanding to analytic geometry, but current mathematical graph laser projector rotary device for teaching is because the installation is too loaded down with trivial details, and then causes laser projector to dismantle the difficulty, further be inconvenient for overhaul laser projector, and laser projector can only project several more common geometric figure in the mathematics, and then reduce the application range of device.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical scheme can effectively solve and provide current mathematics figure laser projector rotary device for teaching among the above-mentioned background art because the installation is too loaded down with trivial details, and then causes laser projector to dismantle the difficulty, further is not convenient for overhaul laser projector, and laser projector can only project more common several kinds of geometric figure in the mathematics, and then reduces the application range's of device problem.
In order to achieve the above object, the utility model provides a following technical scheme: a mathematical figure laser projector for teaching comprises a bottom plate, wherein a support column is arranged in the middle of the top end of the bottom plate, a disc is arranged in the middle of the top end of the support column, a circular groove is formed in the middle of the outer surface of the disc, a circular ring is arranged in the middle of the inner wall of the circular groove, a first semicircular plate is arranged on the outer side of one end of the circular ring, grooves are formed in the front and back of one end of the first semicircular plate, a convex block is arranged in the middle of the inner wall of each groove, a second semicircular plate is connected to the outer side of the bottom end of the convex block, a support plate is arranged on the outer side of the bottom end of the disc, a baffle is arranged on one side of the top end of the support plate, a magnet is arranged on one side of the baffle, the slide bar top outside is installed the chuck, chuck inner wall mid-mounting has the concave mirror.
Preferably, the hexagonal plates are installed on the outer sides of the top ends of the second semicircular plate and the first semicircular plate, the placing grooves are formed in the two sides of the middle of each hexagonal plate, push rods are installed at the six corners of each hexagonal plate, and the placing box is installed in the middle of the top end of each hexagonal plate.
Preferably, rack top mid-mounting has the laser projector, the input of laser projector and the output electric connection of commercial power, six edges of hexagonal board middle parts are the hollow state of sky, and the shape is all kinds of set figures.
Preferably, the middle part of the inner wall of the placing box is provided with a partition plate, the placing box is divided into two placing chambers by the partition plate, and the inside of each placing chamber is provided with a graphic board.
Preferably, a cylinder is installed on one side of the bottom end of the baffle plate, and a fixing hole is formed in the position, corresponding to the bottom end of the cylinder, of the top end of the supporting plate.
Preferably, baffle bottom one side is provided with the iron plate, pass through bolted connection between baffle and the iron plate, and the coating in the iron plate outside has anti-rust paint.
Preferably, the limiting groove is formed in the middle of the inner wall of the chuck, and shock absorption gaskets are arranged on two side edges of the inner wall of the limiting groove.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:
1. through fixed plate, slide bar, concave mirror and chuck, can adjust laser projector's laser light source, and then make the scope of light source illumination more extensive, further make the pattern display on the hexagonal board more clear, can guarantee to present the regularity of the geometric figure on the blackboard, can practice thrift the valuable time on class again and save the chalk.
2. Through disc, circular slot, ring, recess and lug, can dismantle laser projector, reduce laser projector's the dismantlement degree of difficulty, the staff of further being convenient for maintains laser projector, and is convenient for rotate hexagonal board, further reduces and rotates the degree of difficulty, and through baffle and push rod, can make hexagonal board's space strand department aim at the light source that laser shines fast, and then reduces the required time of teaching personnel angle of adjustment.
3. Through placing case, hexagonal board and standing groove, can throw the projection to the figure of difference, reduce the time that the teaching personnel hand drawn, can help the mathematics teacher to improve efficiency of going to class, and can throw out different figures through the figure board of difference, and then increase the application range of device.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the slide bar mounting structure of the present invention;
fig. 3 is a schematic view of the structure of the placing groove of the present invention;
fig. 4 is a schematic view of an installation structure of a first semicircular plate of the present invention;
reference numbers in the figures: 1. a base plate; 2. a support pillar; 3. a support plate; 4. a baffle plate; 5. a magnet; 6. a push rod; 7. a hexagonal plate; 8. placing a box; 9. placing a rack; 10. a fixing plate; 11. a slide bar; 12. a moving groove; 13. a chuck; 14. a first semi-circular plate; 15. a second semicircular plate; 16. a placement groove; 17. a circular groove; 18. a circular ring; 19. a groove; 20. a bump; 21. a disc; 22. a concave mirror; 23. a laser projector.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in figures 1-4, the utility model provides a technical scheme, a mathematical figure laser projector for teaching, which comprises a bottom plate 1, a support column 2 is arranged in the middle of the top end of the bottom plate 1, a disc 21 is arranged in the middle of the top end of the support column 2, a circular groove 17 is arranged in the middle of the outer surface of the disc 21, a circular ring 18 is arranged in the middle of the inner wall of the circular groove 17, a first semi-circular plate 14 is arranged outside one end of the circular ring 18, grooves 19 are respectively arranged on the front and back of one end of the first semi-circular plate 14, a convex block 20 is arranged in the middle of the inner wall of the groove 19, a second semi-circular plate 15 is connected outside the bottom end of the convex block 20, a support plate 3 is arranged outside the bottom end of the disc 21, a baffle plate 4 is arranged on one side of the top end of the support plate 3, an iron, a cylinder is arranged on one side of the bottom end of the baffle plate 4, a fixing hole is arranged on the top end of the support plate 3 corresponding to the position of the bottom end of the cylinder, the baffle plate 4 can rotate conveniently, the patterns at different hollowed parts of the hexagonal plate 7 can rotate oppositely to the laser projector, a magnet 5 is arranged on one side of the baffle plate 4, a placing frame 9 is arranged in the middle of the inner wall of the disc 21, the laser projector 23 is arranged in the middle of the top end of the placing frame 9, the model of the laser projector 23 is LS100, the input end of the laser projector 23 is electrically connected with the output end of commercial power, the middle parts of the six sides of the hexagonal plate 7 are in a hollow state and are in various integrated patterns, the normal use of the laser projector is facilitated, the error of the manual geometric patterns of personnel is further reduced, fixing plates 10 are arranged on two sides of the placing frame 9, a moving groove 12 is, the spacing groove has been seted up at chuck 13 inner wall middle part, and spacing inslot wall both sides limit portion all is provided with shock attenuation gasket, makes more firm of concave mirror 22 installation, and prevents that concave mirror 22 from taking place damaged phenomenon, and chuck 13 inner wall mid-mounting has concave mirror 22.
Six board 7 are all installed in second semicircle board 15 and the 14 top outsides of first semicircle board, standing groove 16 has all been seted up to 7 middle parts both sides of six board, push rod 6 is all installed to six edges of six board 7, 7 top mid-mounting of six board places case 8, place 8 inner walls mid-mounting of case has the division board, the division board will be placed case 8 and divide into two and place the cavity, and place the inside graphic board that is provided with of cavity, separately place graphic board after using and the graphic board that does not use, and then prevent the repeated pattern on the graphic board of explaining of teaching personnel.
The utility model discloses a theory of operation and use flow: a mathematical figure laser projector for teaching is that in the actual use process, a bottom plate 1 is put on a platform, a disc 21 is supported by a support column 2, a hexagonal plate 7 is supported by the disc 21, when a laser projector 23 is in use, a slide rod 11 is moved by a moving groove 12 in a fixed plate 10, the slide rod 11 is limited by the moving groove 12 to prevent the position of the slide rod 11 from moving, then the laser light source of the laser projector 23 is dispersed by the principle of enlargement of a concave mirror 22, the dispersed light source projects geometric figures on a blackboard through the hollow of the hexagonal plate 7, then a first semi-circular plate 14 and a second semi-circular plate 15 are rotated, a push rod 6 of the hexagonal plate 7 is attached to the outer side of a baffle plate 4, the baffle plate 4 rotates along a fixed hole, and when the push rod 6 moves to one end of the baffle plate 4, an iron block at the bottom end of the baffle plate 4 adsorbs a magnet 5, when the laser projector rotating device needs to be replaced, the nut is unscrewed, the first half circular plate 14 is pulled, the lug 20 is separated from the inside of the groove 19, the first half circular plate 14 is separated from the second half circular plate 15, and meanwhile, the circular ring 18 is separated from the circular groove 17, so that the first semicircular plate 14, the second semicircular plate 15 and the circular disc 21 are separated, the laser projector can be rapidly disassembled, the disassembling difficulty of the laser projector is reduced, and the time required for maintaining the laser projector is further saved.
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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a mathematical graph laser projector is used in teaching, includes bottom plate (1), its characterized in that: the bottom plate is characterized in that a support column (2) is mounted in the middle of the top end of the bottom plate (1), a disc (21) is mounted in the middle of the top end of the support column (2), a circular groove (17) is formed in the middle of the outer surface of the disc (21), a circular ring (18) is mounted in the middle of the inner wall of the circular groove (17), a first semicircular plate (14) is mounted on the outer side of one end of the circular ring (18), grooves (19) are formed in the front and the back of one end of the first semicircular plate (14), convex blocks (20) are mounted in the middle of the inner wall of each groove (19), a second semicircular plate (15) is connected to the outer side of the bottom end of each convex block (20), a support plate (3) is mounted on the outer side of the bottom end of the disc (21), a baffle (, rack (9) top mid-mounting has laser projector (23), fixed plate (10) are all installed to rack (9) both sides, shifting chute (12) have been seted up at fixed plate (10) inner wall middle part, shifting chute (12) inner wall mid-mounting has slide bar (11), chuck (13) are installed in slide bar (11) top outside, chuck (13) inner wall mid-mounting has concave mirror (22).
2. The laser projector for teaching mathematics figure as claimed in claim 1, wherein said second semicircular plate (15) and first semicircular plate (14) are both mounted with hexagonal plates (7) on the outside of the top ends, said hexagonal plates (7) are both opened with placing grooves (16) on both sides of the middle portion, push rods (6) are mounted at the corners of six faces of said hexagonal plates (7), and said hexagonal plates (7) are mounted with placing boxes (8) in the middle of the top ends.
3. The laser projector of claim 2, wherein the input of the laser projector (23) is electrically connected to the output of the mains supply, and the six-sided board (7) is in a hollow state in all six sides and has a shape of various types of collective patterns.
4. The laser projector for teaching mathematical figures as claimed in claim 2, wherein a partition board is installed in the middle of the inner wall of the placing box (8), the partition board divides the placing box (8) into two placing chambers, and the interior of the placing chambers is provided with the figure board.
5. The laser projector for teaching mathematics figure as claimed in claim 1, characterized in that a cylinder is installed on one side of the bottom end of said baffle (4), and a fixing hole is opened on the top end of said supporting plate (3) corresponding to the bottom end of the cylinder.
6. The laser projector for teaching mathematical figures as claimed in claim 1, wherein an iron block is arranged on one side of the bottom end of the baffle (4), the baffle (4) and the iron block are connected through screws, and the outer side of the iron block is coated with antirust paint.
7. The laser projector for teaching mathematics figure as claimed in claim 1, characterized in that the middle of the inner wall of the chuck (13) is provided with a limit groove, and the two side edges of the inner wall of the limit groove are provided with shock-absorbing pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920079912.0U CN209842893U (en) | 2019-01-10 | 2019-01-10 | Mathematical graph laser projector for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920079912.0U CN209842893U (en) | 2019-01-10 | 2019-01-10 | Mathematical graph laser projector for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209842893U true CN209842893U (en) | 2019-12-24 |
Family
ID=68901927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920079912.0U Expired - Fee Related CN209842893U (en) | 2019-01-10 | 2019-01-10 | Mathematical graph laser projector for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209842893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112167813A (en) * | 2020-09-14 | 2021-01-05 | 长春理工大学光电信息学院 | Digital media design platform based on computer artificial intelligence technology |
-
2019
- 2019-01-10 CN CN201920079912.0U patent/CN209842893U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112167813A (en) * | 2020-09-14 | 2021-01-05 | 长春理工大学光电信息学院 | Digital media design platform based on computer artificial intelligence technology |
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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: 20191224 Termination date: 20210110 |