CN211403631U - Multimedia projection device is used in teaching of economic management subject - Google Patents
Multimedia projection device is used in teaching of economic management subject Download PDFInfo
- Publication number
- CN211403631U CN211403631U CN202020383060.7U CN202020383060U CN211403631U CN 211403631 U CN211403631 U CN 211403631U CN 202020383060 U CN202020383060 U CN 202020383060U CN 211403631 U CN211403631 U CN 211403631U
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- China
- Prior art keywords
- backup pad
- fixed
- rod
- fixing rod
- screw rod
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- Expired - Fee Related
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Abstract
The utility model discloses a multimedia projection arrangement is used in teaching of economic management subject, its characterized in that: the inboard of mount is equipped with the backup pad that has the double-deck setting, the adjusting collar passes the circular port in the backup pad, the lower extreme of adjusting collar is equipped with the boss of outside stretching out, surface contact on the lower terminal surface and the boss of backup pad, the adjusting collar overlaps the outside at the screw rod that numerical value set up, adjusting collar and screw rod threaded connection, the inboard at four angles of backup pad is fixed with the uide bushing of vertical setting, uide bushing and guide bar looks adaptation, the last lower extreme of guide bar is fixed at the last dead lever, on the dead lever down, the upper end of screw rod is connected with the last dead lever through two sets of gland nut, the lower extreme of screw rod is connected with the dead lever down through two sets of gland nut, the upper portion of backup pad is equipped with the projecting apparatus, be fixed with the threaded rod. The utility model discloses a two projectors to improve the teaching quality greatly.
Description
Technical Field
The utility model belongs to the technical field of the multimedia device, concretely relates to multimedia projection arrangement is used in teaching of economic management subject.
Background
The projector is an optical instrument which uses optical elements to enlarge the profile of a workpiece and projects the workpiece onto a video screen, can be used for measuring the profile by using transmitted light and measuring the surface shape without through holes and observing the surface of the workpiece by using reflected light, is particularly suitable for measuring complex profiles and fine workpieces such as clock parts, stamping parts, electronic elements, templates, dies, threads, gears, forming tools and the like, has high inspection efficiency and convenient use, is widely applied to metering chambers and production workshops, is particularly suitable for meeting occasions of instrument instruments and meters and clock industries, is also called as a projector, is equipment which can project images or videos onto a curtain, and can be connected with computers, VCDs, DVDs, BDs, game machines, DVDs and the like through different interfaces to play corresponding video signals.
During economic management science and education, often can relate to the projection of three-dimensional chart, the multimedia projection device is used in current economic management science and education, and the demand that can't adapt to the 3D projection is mostly ordinary projection arrangement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a multimedia projection device is used in teaching of economic management discipline.
The utility model provides a multimedia projection arrangement is used in teaching of economic management subject, includes dead lever, support column, dead lever, backup pad, adjusting collar down, its characterized in that: the upper fixing rod, the supporting column and the lower fixing rod form a rectangular frame type fixing frame, the upper fixing rod is of a rectangular structure, the lower fixing rod is of a rectangular structure, four corners of the upper fixing rod are connected with the lower fixing rod through the supporting column, a double-layer supporting plate is arranged on the inner side of the fixing frame, circular holes are formed in the four corners of the supporting plate, the adjusting sleeve penetrates through the circular holes in the supporting plate, a boss extending outwards is arranged at the lower end of the adjusting sleeve, the lower end face of the supporting plate is in contact with the upper surface of the boss, the adjusting sleeve is sleeved on the outer side of a numerically-arranged screw rod and is in threaded connection with the screw rod, a vertically-arranged guide sleeve is fixed on the inner sides of the four corners of the supporting plate, the guide sleeve is matched with the guide rod, the upper end and the lower end of the guide rod are fixed on, the lower extreme of screw rod is connected with lower fixed rod through two sets of gland nuts, the upper portion of backup pad is equipped with the projecting apparatus, be fixed with the threaded rod on four angles of projecting apparatus, the outside cover of threaded rod has rotatory cover, rotatory cover is placed in the backup pad.
Preferably, a fixing column is fixed to the top of the upper fixing rod, and a fixing flange is fixed to the top of the fixing column.
Preferably, the rotating sleeve is inserted into a positioning ring fixed on the supporting plate, and the positioning ring is of a circular ring structure.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses when using, fix at the top of roofing through mounting flange, two projectors throw out the image of left eye and right eye respectively, and the student is through wearing 3D glasses to observe the 3D image. Because two projectors need throw the image of left eye and right eye respectively, just need adjust the height of projecting apparatus and the angle of vertical direction, through rotatory adjusting collar, can realize the adjustment of the height of projecting apparatus, through rotatory rotating collar, can realize the fine setting of projecting apparatus height, can realize the adjustment of the angle of projecting apparatus vertical direction simultaneously. The utility model realizes the projection of 3D images through the double projectors, can effectively improve the learning effect of students and improve the teaching quality; through setting up swivel sleeve and adjusting collar, realize adjusting the height of projecting apparatus and the angle of upper and lower direction, have adjustable advantage.
Drawings
Fig. 1 is the utility model relates to a multimedia projection device is used in economic management discipline teaching's structural schematic diagram.
In the figure, the device comprises a fixing flange 1, a fixing flange 2, a fixing column 3, an upper fixing rod 4, a screw rod 5, a guide rod 6, a support column 7, an adjusting sleeve 8, a guide sleeve 9, a support plate 10, a lower fixing rod 11, a projector 12, a threaded rod 13, a rotating sleeve 14 and a positioning ring.
Detailed Description
Referring to fig. 1, a multimedia projection device is used in teaching of economic management subject, includes dead lever 3, support column 6, dead lever 10, backup pad 9, adjusting collar 7 down, its characterized in that: go up dead lever 3, support column 6, lower dead lever 10 and constitute rectangle frame's mount, it is the rectangle structure to go up dead lever 3, dead lever 10 is the rectangle structure down, four angles of going up dead lever 3 are connected with dead lever 10 down through support column 6, the inboard of mount is equipped with backup pad 9 that double-deck set up, be equipped with the circular port on four angles of backup pad 9, adjusting collar 7 passes the circular port on the backup pad 9, the lower extreme of adjusting collar 7 is equipped with the boss that outwards stretches out, the lower terminal surface and the boss upper surface contact of backup pad 9, adjusting collar 7 cover is in the outside of the screw rod 4 that numerical value set up, adjusting collar 7 and screw rod 4 threaded connection, the inboard at four angles of backup pad 9 is fixed with the uide bushing 8 of vertical setting, uide bushing 8 and 5 looks adaptations, the upper and lower extreme of guide bar 5 are fixed at last dead lever 3, on the lower fixing rod 10, the upper end of screw rod 4 is connected with upper fixing rod 3 through two sets of gland nuts, the lower extreme of screw rod 4 is connected with lower fixing rod 10 through two sets of gland nuts, the upper portion of backup pad 9 is equipped with projecting apparatus 11, be fixed with threaded rod 12 on four angles of projecting apparatus 11, the outside cover of threaded rod 12 has swivel housing 13, swivel housing 13 is placed in backup pad 9.
The top of the upper fixing rod 3 is fixed with a fixing column 2, and the top of the fixing column 2 is fixed with a fixing flange 1.
The rotating sleeve 13 is inserted into a positioning ring 14 fixed on the supporting plate 9, and the positioning ring 14 is of a circular ring structure.
The utility model discloses a theory of operation is:
the utility model discloses when using, fix at the top of roofing through mounting flange 1, two projecting apparatus 11 throw out the image of left eye and right eye respectively, and the student is through wearing 3D glasses to observe the 3D image. Since the two projectors 11 need to project images of the left eye and the right eye, respectively, the height and the vertical angle of the projectors 11 need to be adjusted, the height of the projectors 11 can be adjusted by rotating the adjusting sleeve 7, the height of the projectors 11 can be finely adjusted by rotating the rotating sleeve 13, and the vertical angle of the projectors 11 can be adjusted. The utility model realizes the projection of 3D images through the double projectors 11, can effectively improve the learning effect of students and improve the teaching quality; through setting up swivel mount 13 and adjusting collar 7, realize adjusting the height of projecting apparatus 11 and the angle of upper and lower direction, have adjustable advantage.
The technical solution of the present invention is to provide an improved method for manufacturing a semiconductor device, which is characterized in that the method is not limited by the above-mentioned method, and the method is not substantially improved by the method and the device, or the method and the device are directly applied to other occasions without improvement, all within the protection scope of the present invention.
Claims (3)
1. The utility model provides a multimedia projection arrangement is used in teaching of economic management subject, includes dead lever (3), support column (6), dead lever (10), backup pad (9), adjusting collar (7) down, its characterized in that: the upper fixing rod (3), the supporting column (6) and the lower fixing rod (10) form a rectangular frame type fixing frame, the upper fixing rod (3) is of a rectangular structure, the lower fixing rod (10) is of a rectangular structure, four corners of the upper fixing rod (3) are connected with the lower fixing rod (10) through the supporting column (6), a double-layer supporting plate (9) is arranged on the inner side of the fixing frame, circular holes are formed in the four corners of the supporting plate (9), the adjusting sleeve (7) penetrates through the circular holes in the supporting plate (9), a boss extending outwards is arranged at the lower end of the adjusting sleeve (7), the lower end face of the supporting plate (9) is in surface contact with the upper surface of the boss, the adjusting sleeve (7) is sleeved on the outer side of a numerical value-arranged screw rod (4), the adjusting sleeve (7) is in threaded connection with the screw rod (4), a vertically-arranged guide sleeve (8) is fixed on the, the utility model discloses a fixing device for the motor vehicle, including backup pad (9), uide bushing (8) and guide bar (5) looks adaptation, the upper and lower end of guide bar (5) is fixed on upper fixing rod (3), lower fixing rod (10), the upper end of screw rod (4) is connected with upper fixing rod (3) through two sets of gland nut, the lower extreme of screw rod (4) is connected with lower fixing rod (10) through two sets of gland nut, the upper portion of backup pad (9) is equipped with projecting apparatus (11), be fixed with threaded rod (12) on four angles of projecting apparatus (11), the outside cover of threaded rod (12) has rotatory cover (13), place on backup pad (9) rotatory cover (13).
2. The multimedia projection apparatus for teaching economic management discipline as claimed in claim 1, wherein: the top of the upper fixing rod (3) is fixed with a fixing column (2), and the top of the fixing column (2) is fixed with a fixing flange (1).
3. The multimedia projection apparatus for teaching economic management discipline as claimed in claim 1, wherein: the rotary sleeve (13) is inserted into a positioning ring (14) fixed on the support plate (9), and the positioning ring (14) is of a circular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020383060.7U CN211403631U (en) | 2020-03-24 | 2020-03-24 | Multimedia projection device is used in teaching of economic management subject |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020383060.7U CN211403631U (en) | 2020-03-24 | 2020-03-24 | Multimedia projection device is used in teaching of economic management subject |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211403631U true CN211403631U (en) | 2020-09-01 |
Family
ID=72215257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020383060.7U Expired - Fee Related CN211403631U (en) | 2020-03-24 | 2020-03-24 | Multimedia projection device is used in teaching of economic management subject |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211403631U (en) |
-
2020
- 2020-03-24 CN CN202020383060.7U patent/CN211403631U/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 |
Granted publication date: 20200901 Termination date: 20210324 |
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| CF01 | Termination of patent right due to non-payment of annual fee |