CN215868206U - Trade economics teacher's multimedia teaching device - Google Patents
Trade economics teacher's multimedia teaching device Download PDFInfo
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- CN215868206U CN215868206U CN202122467299.XU CN202122467299U CN215868206U CN 215868206 U CN215868206 U CN 215868206U CN 202122467299 U CN202122467299 U CN 202122467299U CN 215868206 U CN215868206 U CN 215868206U
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Abstract
The utility model discloses a trade economics multimedia teaching device, which comprises a projector body, wherein a lens is fixedly arranged on one side of the projector body, a baffle is arranged on one side of the lens, a plug is fixedly arranged on one side of the baffle, a groove is formed on one side of the plug, an air bag is fixedly arranged in the groove, a plurality of air outlets are formed in the outer wall of the air bag, a pressing plate is fixedly arranged on one side of the air bag, and cleaning cotton is arranged on one side of the pressing plate. The learning effect of the economic teacher is improved.
Description
Technical Field
The utility model relates to multimedia teaching, in particular to a multimedia teaching device for trade economizers.
Background
Multimedia computer aided teaching is that multimedia computer is used to process and control various media information, such as symbol, language, text, sound, figure, image, etc. comprehensively, to combine the multimedia elements according to teaching requirement and display them via screen or projector, and to add sound cooperation and man-machine interaction between user and computer to complete teaching or training process.
Among the prior art, in multimedia teaching, mostly come out teaching content projection through the projecting apparatus, then carry out teaching work again, in the projecting apparatus use, mainly have following defect:
1. when the projector is used, if dust adheres to the lens of the projector, the dust can shield the lens and cause the blur of the projector, so that the projection effect of the projector is influenced, the projection is not clear, and the learning effect of an economic engineer is reduced;
2. when the projecting apparatus uses, on guaranteeing that the accurate projection of projecting apparatus is to the curtain, need constantly adjust the projecting apparatus to guarantee that the projecting apparatus projection is accurate, and current projecting apparatus adjusts the difficulty mostly when adjusting, can not be accurate adjusts, thereby has reduced the availability factor of projecting apparatus.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multimedia teaching device for trade economics teacher to solve the problems of dust adhesion and difficult adjustment in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: a trade economics multimedia teaching device comprises a projector body, wherein a lens is fixedly arranged on one side of the projector body, a baffle is arranged on one side of the lens, a plug is fixedly arranged on one side of the baffle, a groove is formed in one side of the plug, an air bag is fixedly arranged in the groove, a plurality of air outlets are formed in the outer wall of the air bag, a pressing plate is fixedly arranged on one side of the air bag, and cleaning cotton is arranged on one side of the pressing plate;
the both sides of projecting apparatus body bottom all articulate and are equipped with the backup pad, two the spout has all been seted up to one side of backup pad, two equal sliding connection has the slider in the spout, two the slider is fixed the both sides that set up at the slide respectively.
As a preferred technical scheme of the utility model, two sides of the baffle are respectively and rotatably connected with a shaft seat through a rotating shaft, and the two rotating shafts are respectively and fixedly arranged on one side of the projector body.
As a preferred technical solution of the present invention, a fixing plate is fixedly disposed on one side of the baffle plate, the fixing plate is connected with a fixing groove in a snap-fit manner, and the fixing groove is formed in the bottom of one side of the projector body.
As a preferable technical scheme of the utility model, one side of the pressing plate is provided with a connecting groove, a connecting plate is connected in the connecting groove in a clamping manner, and the connecting plate is fixedly arranged on one side of the cleaning cotton.
According to a preferable technical scheme of the utility model, first magnets are fixedly sleeved on two sides of the outer wall of the plug column, the two first magnets are magnetically connected with second magnets, and the two second magnets are fixedly arranged on the inner walls of the two dust absorption cotton respectively.
As a preferred technical solution of the present invention, a mechanical telescopic rod is fixedly disposed at a top end of the sliding plate, and a top end of the mechanical telescopic rod is fixedly disposed in a middle portion of a bottom end of the projector body.
As a preferable technical scheme of the utility model, the bottom ends of the two supporting plates are respectively fixedly provided with a backing plate, and the bottom ends of the two backing plates are respectively fixedly provided with a plurality of friction heads.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the lens is shielded by the baffle, the plug, the cleaning cotton, the pressing plate and the air bag in a matched manner, the lens is cleaned by the cleaning cotton, the air bag is extruded under the action of the pressing plate, so that the air bag blows air around the lens for removing ash, and the dust-absorbing cotton is used for absorbing and collecting, thereby keeping the lens clean, improving the projection effect of the projector body and improving the learning effect of an economic teacher.
2. According to the utility model, the supporting plates, the sliding block, the sliding plate and the mechanical telescopic rod are used in a matched manner, and the sliding plate and the sliding block are driven to move in the movement process of the mechanical telescopic rod, so that the angle between the two supporting plates is adjusted, namely the height of the projector body is adjusted, the projection work is conveniently and rapidly carried out, and the use efficiency of the projector body is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the plug of the present invention in a planar configuration;
fig. 3 is a schematic view of the structure of the skateboard of the present invention.
In the figure: 1. a projector body; 2. a baffle plate; 3. a plug; 4. an air bag; 5. pressing a plate; 6. cleaning cotton; 7. a support plate; 8. a slider; 9. a slide plate; 10. a fixing plate; 11. a connecting plate; 12. dust collection cotton; 13. a mechanical telescopic rod; 14. a backing plate.
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.
Referring to fig. 1-3, the present invention provides a technical solution of a multimedia teaching apparatus for trade engineers:
the first embodiment is as follows:
according to the figures 1 and 2, the projector comprises a projector body 1, a lens is fixedly arranged on one side of the projector body 1, a baffle 2 is arranged on one side of the lens, a plug 3 is fixedly arranged on one side of the baffle 2, a groove is formed on one side of the plug 3, an air bag 4 is fixedly arranged in the groove, a plurality of air outlets are formed in the outer wall of the air bag 4, a pressing plate 5 is fixedly arranged on one side of the air bag 4, the lens is shielded through the rotation of the baffle 2, then the lens is cleaned through cleaning cotton 6, the air bag 4 is extruded under the action of the pressing plate 5, the air bag 4 blows air around the lens to clean the dust, and then the dust is absorbed and collected through dust absorption cotton 12, so that the cleanness of the lens is kept, the projection effect of the projector body 1 is improved, the learning effect of an economic teacher is improved, the cleaning cotton 6 is arranged on one side of the pressing plate 5, and shaft seats are rotatably connected on two sides of the baffle 2 through rotating shafts, two equal fixed settings in one side of projecting apparatus body 1 of pivot, the fixed plate 10 that is equipped with in one side of baffle 2, fixed plate 10 block is connected with the fixed slot, the block of fixed plate 10 and fixed slot, it is fixed to baffle 2, can be to the camera lens dustproof protection when not using, the bottom in 1 one side of projecting apparatus body is seted up to the fixed slot, the spread groove has been seted up to one side of clamp plate 5, the block of spread groove internal clamping connection has connecting plate 11, the block of connecting plate 11 and spread groove, the change is dismantled to clean cotton 6 to the convenience, the fixed one side that sets up at clean cotton 6 of connecting plate 11, the equal fixed cover in both sides of 3 outer walls of chock plug is equipped with first magnet, the equal magnetism of two first magnets is connected with second magnet, the use of first magnet and second magnet, it is fixed to dust absorption cotton 12, two inner walls at two dust absorption cotton 12 are fixed respectively to second magnet.
During the use, when projecting apparatus body 1 does not use, rotation baffle 2, baffle 2 drives the motion of stopper post 3, make stopper post 3 be close to the camera lens, make clean cotton 6 clean the clearance to the camera lens, then continue pivoted in-process at baffle 2, clean cotton 6 extrudees gasbag 4 with clamp plate 5, gasbag 4 blows off gas under the extrusion, blow off the processing around the camera lens, then adsorb the dust under the cotton 12 effect of dust absorption and collect, thereby keep the cleanness of camera lens, avoid sheltering from of dust and influence the projection effect, the learning effect of economic teacher has been improved, when needs are to clean cotton 6 or the cotton 12 change of dust absorption, can accomplish through connecting plate 11 and spread groove or first magnet and second magnet.
Example two:
on the basis of the first embodiment, as shown in fig. 1 and 3, the two sides of the bottom end of the projector body 1 are hinged with the supporting plates 7, one side of each of the two supporting plates 7 is provided with a sliding groove, each of the two sliding grooves is connected with the sliding block 8 in a sliding manner, and the angle between the two supporting plates 7 can be adjusted through the up-and-down movement of the sliding plate 9 and the sliding block 8, so that the height of the projector body 1 is adjusted, the use efficiency of the projector body 1 is improved, the two sliding blocks 8 are respectively and fixedly arranged on the two sides of the sliding plate 9, the top end of the sliding plate 9 is fixedly provided with the mechanical telescopic rod 13, the mechanical telescopic rod 13 drives the sliding plate 9 to move up and down, the top end of the mechanical telescopic rod 13 is fixedly arranged in the middle of the bottom end of the projector body 1, the bottom ends of the two supporting plates 7 are respectively and fixedly provided with the backing plates 14, the bottom ends of the two backing plates 14 are respectively and provided with the plurality of the friction heads, and the backing plates 14 and the friction heads increase the friction force of the supporting plates 7, preventing the support plate 7 from sliding.
During the use, at the in-process of mechanical telescopic link 13 motion, mechanical telescopic link 13 drives the up-and-down motion of slide 9, and slide 9 drives the motion of slider 8, and slider 8 drives the motion of backup pad 7 promptly, adjusts the angle between two backup pads 7 to highly adjusting projector body 1, make things convenient for the more quick projection work that carries on of projector body 1, improved projector body 1's availability factor.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a trade economic teacher multimedia teaching device, includes projecting apparatus body (1), its characterized in that: a lens is fixedly arranged on one side of the projector body (1), a baffle (2) is arranged on one side of the lens, a plug (3) is fixedly arranged on one side of the baffle (2), a groove is formed in one side of the plug (3), an air bag (4) is fixedly arranged in the groove, a plurality of air outlets are formed in the outer wall of the air bag (4), a pressing plate (5) is fixedly arranged on one side of the air bag (4), and cleaning cotton (6) is arranged on one side of the pressing plate (5);
the both sides of projecting apparatus body (1) bottom all articulate and are equipped with backup pad (7), two the spout has all been seted up to one side of backup pad (7), two equal sliding connection has slider (8), two in the spout slider (8) are fixed the both sides that set up respectively at slide (9).
2. The trade economics multimedia teaching device of claim 1 wherein: the two sides of the baffle (2) are rotatably connected with shaft seats through rotating shafts, and the rotating shafts are fixedly arranged on one side of the projector body (1).
3. The trade economics multimedia teaching device of claim 2 wherein: one side of the baffle (2) is fixedly provided with a fixing plate (10), the fixing plate (10) is connected with a fixing groove in a clamping mode, and the fixing groove is formed in the bottom of one side of the projector body (1).
4. The trade economics multimedia teaching device of claim 1 wherein: the connecting groove is formed in one side of the pressing plate (5), the connecting plate (11) is connected in the connecting groove in a clamping mode, and the connecting plate (11) is fixedly arranged on one side of the cleaning cotton (6).
5. The trade economics multimedia teaching device of claim 1 wherein: the two sides of the outer wall of the plug column (3) are fixedly sleeved with first magnets, the first magnets are magnetically connected with second magnets, and the second magnets are fixedly arranged on the inner walls of the two dust collection cotton (12) respectively.
6. The trade economics multimedia teaching device of claim 1 wherein: the top end of the sliding plate (9) is fixedly provided with a mechanical telescopic rod (13), and the top end of the mechanical telescopic rod (13) is fixedly arranged in the middle of the bottom end of the projector body (1).
7. The trade economics multimedia teaching device of claim 1 wherein: the bottom of two backup pad (7) all is fixed and is equipped with backing plate (14), two the bottom of backing plate (14) all is fixed and is equipped with a plurality of friction heads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122467299.XU CN215868206U (en) | 2021-10-13 | 2021-10-13 | Trade economics teacher's multimedia teaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122467299.XU CN215868206U (en) | 2021-10-13 | 2021-10-13 | Trade economics teacher's multimedia teaching device |
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| Publication Number | Publication Date |
|---|---|
| CN215868206U true CN215868206U (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122467299.XU Active CN215868206U (en) | 2021-10-13 | 2021-10-13 | Trade economics teacher's multimedia teaching device |
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| CN (1) | CN215868206U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115657411A (en) * | 2022-12-13 | 2023-01-31 | 兰州交通大学 | Projection device for visual transmission design |
| CN117053073A (en) * | 2023-10-12 | 2023-11-14 | 泰州市中泰教学装备有限公司 | Novel interactive multimedia teaching equipment |
-
2021
- 2021-10-13 CN CN202122467299.XU patent/CN215868206U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115657411A (en) * | 2022-12-13 | 2023-01-31 | 兰州交通大学 | Projection device for visual transmission design |
| CN117053073A (en) * | 2023-10-12 | 2023-11-14 | 泰州市中泰教学装备有限公司 | Novel interactive multimedia teaching equipment |
| CN117053073B (en) * | 2023-10-12 | 2023-12-22 | 泰州市中泰教学装备有限公司 | Interactive multimedia teaching equipment |
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