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Special multimedia teaching device for advertisement

A multimedia teaching and advertising technology, applied in projection devices, optics, educational appliances, etc., can solve problems such as blurry lens, dusty, and inability to ensure that the projector is fixed and stable, and achieves the effect of convenient and fast use and simple structure

Inactive Publication Date: 2021-06-04
ZHENGZHOU RAILWAY VOCATIONAL & TECH COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The adjustment method of this patent is relatively simple, and it cannot guarantee the stability of the projector. There will be more dust when the projector is placed outside for a long time, and it will blur the lens at the same time, which is not conducive to the imaging effect.

Method used

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  • Special multimedia teaching device for advertisement
  • Special multimedia teaching device for advertisement
  • Special multimedia teaching device for advertisement

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] see Figure 1-2 with Figure 4-5 , a special multimedia teaching device for advertising, including a base plate 3, a projector body 15, a cooling fan 18 and a drive motor, the lower side of the base plate 3 is provided with a connecting mechanism, the connecting mechanism includes a base plate 3, and the left and right sides of the base plate 3 are threadedly connected A plurality of bolt columns 7, the lower end of a single bolt column 7 is rotatably connected to the bite plate 5, the side of the bite plate 5 away from the center of the bottom plate 3 is fixedly connected with a guide plate 6, and the guide plate 6 is slidably connected to the bottom plate 3, and the guide plate 6 has a guiding effect , the device is stably fixed by the connecting mechanism, and the right side of the upper end of the bottom plate 3 is fixedly connected with several support plates 4, and a screw rod 28 is rotationally connected between the support plates 4 on the front and rear sides, a...

Embodiment 2

[0028] see Figure 1-2 The difference between this implementation and the above-mentioned Embodiment 1 is that several brackets 20 are arranged in a square distribution on the upper side of the mounting seat 2, and a first pulley 21 is arranged inside a single bracket 20, and the upper side of the first pulley 21 rolls The protective shell 19 is connected, and the first pulley 21 is provided to increase the stability of the protective shell 19 in rotation, which has the function of support.

[0029] The working principle of the present invention is: said a kind of advertising special-purpose multimedia teaching device, when using this device to carry out advertising multimedia teaching, at first by twisting the bolt post 7 to control the up and down movement of the occlusal plate 5, the position of the whole device is selected and fixed, Then open the cover 17, put the projector body 15 into the protective case 19, then turn the hinges 23 on both sides, so that the sticking pl...

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Abstract

The invention relates to the field of multimedia teaching equipment, and discloses a special multimedia teaching device for advertisement. The device comprises a bottom plate, a projector body, a cooling fan and a driving motor, a connecting mechanism is arranged on the lower side of the bottom plate, a plurality of supporting plates are fixedly connected to the right side of the upper end of the bottom plate, and a screw rod is rotatably connected between the supporting plates on the front and rear sides; threads which are symmetrically distributed relative to the center of the screw rod are arranged on the screw rod, movable supports are in threaded connection with the threads on the two sides, a second connecting rod is hinged to the upper side of each movable support, a mounting seat is hinged to the upper side of each second connecting rod, a plurality of first connecting rods are hinged to the lower left side of the mounting seat, the bottom plate is hinged to the lower sides of the first connecting rods, and an interlayer is arranged in the mounting seat; the interlayer is rotationally connected with a second rotating rod, and the lower end of the second rotating rod is fixedly connected with a second bevel gear. The device is simple in structure, use of a projector can be well protected, meanwhile, the projection angle of the projector can be freely controlled when the projector is used, use is convenient and fast, and the device has the available value in the field of multimedia teaching equipment.

Description

technical field [0001] The invention relates to the field of multimedia teaching equipment, in particular to a multimedia teaching device dedicated to advertising. Background technique [0002] Multimedia teaching means that in the teaching process, according to the teaching objectives and the characteristics of the teaching objects, through teaching design, rationally select and use modern teaching media, and organically combine with traditional teaching methods, participate in the whole teaching process together, use various media information For students, form a reasonable teaching process structure to achieve the optimal teaching effect. It uses computer technology, network technology, communication technology and scientific and standardized management to integrate all information resources related to learning, teaching, scientific research, management and life services. , integration and comprehensive digitalization to form unified user management, unified resource mana...

Claims

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Application Information

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IPC IPC(8): G09B5/02G03B21/14G03B21/16F16M11/08
CPCF16M11/08G03B21/145G03B21/16G09B5/02
Inventor 杨路赵清刚白玉成赵蔚任冉尹晖
Owner ZHENGZHOU RAILWAY VOCATIONAL & TECH COLLEGE