Multimedia projection device used for electronic commerce situational teaching

A technology for e-commerce and projection devices, applied in projection devices, educational appliances, and electrically operated teaching aids, etc., can solve the problems of adjusting the angle of the projection lens, reducing the use value, inconvenience, etc., to ensure integrity, easy operation, and improve clarity. degree of effect

CN108916579AInactive Publication Date: 2018-11-30PINGXIANG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2018-11-30
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a multimedia projection device used for electronic commerce situational teaching. The multimedia projection device used for electronic commerce situational teaching comprises aprojector body, an angle adjusting structure, a height adjusting structure and a controller used for controlling the angle adjusting structure to adjust the angle of the projector body, wherein the angle adjusting structure comprises a supporting box and two driving parts, and each driving part comprises a driving motor, a first gear and a second gear; and the height adjusting structure comprisesa base, a guide structure and sliding supporting structures, the upper end face of the base is provided with two slideways which are located on two sides of the guide structure, and the sliding supporting structures comprise supporting rods and rollers. According to the multimedia projection device used for electronic commerce situational teaching, the height and angle of a projection lens can beadjusted, adjustment of the projection position is achieved, and projection integrity is guaranteed.
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Description

technical field

[0001] The present invention relates to the technical field of projection devices, and more specifically, the present invention relates to a multimedia projection device for e-commerce scene teaching. Background technique

[0002] A projector, also known as a projector, is a device that can project images or videos onto a screen. It can be connected to a computer, VCD, DVD, BD, game console, DV, etc. through different interfaces to play the corresponding video signal. The multimedia classrooms in the school all use projectors to complete the display of pictures or videos.

[0003] The position of the existing multimedia teaching equipment used in e-commerce scene teaching is difficult to change after it is installed and fixed. In the actual use process, it is not convenient to adjust the angle of the projection lens, and the image will be tilted during projection, which reduces the use value. Contents of the invention

[0004] It is an object of the presen...

Examples

Embodiment Construction

[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments, so that those skilled in the art can implement it with reference to the description.

[0022] It should be understood that terms such as "having", "comprising" and "including" used herein do not exclude the presence or addition of one or more other elements or combinations thereof.

[0023] Such as figure 1 As shown, the present invention provides a multimedia projection device for e-commerce scene teaching, including a projector body 1, an angle adjustment structure, a height adjustment structure, and a controller for controlling the angle adjustment structure to adjust the angle of the projector body; in,

[0024] The angle adjustment structure includes a support box 2 located below the projector body 1 and connected to the projector body 1 through a shaft, and a projection lens located on both sides of the shaft and driving the projector bod...