Accounting, economic and financial report projector

Abstract

The invention provides an accounting, economic and financial report projector, and relates to the field of projectors. The accounting, economic and financial report projector comprises a base, and thetop of the base is fixedly connected with a first fixed sleeve. A first movable sleeve is arranged at the top of the first fixed sleeve, and a first movable block is arranged in the first movable sleeve. The top of the first fixed block is fixedly connected with a movable plate, and a first protection sleeve and a second protection sleeve are arranged at the top of the movable plate. According tothe accounting, economic and financial report projector, simple structures are combined, angle adjustment in all directions of the projector can be effectively controlled, and the situation that whena body is manually adjusted, the projector is repeatedly moved, and consequently collisions are caused to the projector, and the projector is damaged is avoided; it is not needed to look for an object for bottoming in order to adjusting the height, and the time of workers can be effectively saved; and the angle of the projector is easily and manually adjusted, and the situation that due to the fact that a new comer is unfamiliar with operation of the projector, trouble is brought to the workers is avoided.

Description

Technical field [0001] The invention relates to the technical field of projection devices, in particular to an accounting economic and financial report projection device. Background technique [0002] A projector, also known as a projector, is a device that can project images or videos onto the screen. It can be connected to a computer, VCD, DVD, BD, game console, DV, etc. through different interfaces to play the corresponding video signal. Projectors are widely used in homes, offices, schools and entertainment venues. According to different working methods, there are different types such as CRT, LCD, and DLP. [0003] Because the projector has audio-visual playback function, it is often used in various seminars, academic courses and office meeting reports. The projector needs to project the video or image onto the corresponding screen when it is used, and adjust the projection during projection. You can adjust the position of the image on the screen by the camera body or the foca...

AI Technical Summary

Problems solved by technology

[0003] Because of its audio-visual playback function, the projector is often used in various seminars, academic courses and office meeting reports. When using the projector, it needs to project video or images onto the corresponding screen. When projecting, it is necessary to adjust the projection The camera body or the focal length of the projector are used to adjust the position of the image on the screen. When adjusting the body, most of them are moving the body to adjust the left and right directions, but most of the adjustments are to place things on the projector to adjust the up and down directions. At the bottom, it is more troublesome to adjust. Adjusting the focal length of the projector generally requires professionals or users who are familiar with the projector to adjust it. Yes, for projecting more accurate images, such as economic and financial reports, it is difficult to adjust the focal length to adjust the position of the image on the screen. For hanging projectors, most projectors are direct Placed on the hanger, lacks corresponding fixing devices, and is prone to danger when manually adjusted

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