A portable projection device for marketing training and teaching

A projection device, portable technology, applied in projection devices, optics, educational appliances, etc., to achieve good anti-deformation effect, easy ventilation and heat dissipation, and easy construction

Active Publication Date: 2022-08-09
王毅 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to solve the projection device that can adapt to various non-indoor occasions, is convenient to use projection at any time and can protect the projector.

Method used

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  • A portable projection device for marketing training and teaching
  • A portable projection device for marketing training and teaching
  • A portable projection device for marketing training and teaching

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Experimental program
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Embodiment Construction

[0025] The following description is used to disclose the details of the present invention to enable those skilled in the art to practice the present invention. The preferred embodiments described below are given by way of example only, and other obvious modifications will occur to those skilled in the art.

[0026] The embodiment of the present invention is: a portable projection device for marketing training and teaching, comprising a main body 1, a projector 2 and a bracket, a projector 2 is arranged above the main body, and an extendable U-shaped bracket is arranged at the bottom of the main body 1 3. The U-shaped bracket is to prevent deformation and improve the projection effect. The U-shaped bracket 3 is provided with a column platform 5 in the middle, and the U-shaped bracket 3 side of the main body 1 is provided with a gap 12, and the gap 12 is used to place the column. Platform 5, a column 6 is fixed on the column platform 5, a lifting rod 61 that can move up and down...

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PUM

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Abstract

A portable projection device for marketing training and teaching, comprising a main body, a projector and a bracket, a projector is arranged above the main body, an extensible U-shaped bracket is arranged at the bottom of the main body, and a column platform is arranged in the middle of the U-shaped bracket , There is a gap on the side of the U-shaped bracket of the main body, the gap is used to place a column platform, a column is fixed on the column platform, a lifting rod that can move up and down is arranged inside the column, and the upper end of the lifting rod is A ring-shaped fixing block is fixed, a removable hanging rod is arranged on the ring-shaped fixing block, a curtain is placed on the hanging rod, a connecting rod is hinged to the ring-shaped fixing block, and the other end of the connecting rod is hinged with a sliding rod, One end of the sliding rod is slidably connected to the upright column, and a shaping rod is connected to the hinge of the sliding rod and the connecting rod.

Description

technical field [0001] The invention relates to the technical field of projection devices, in particular to a portable projection device for marketing training and teaching. Background technique [0002] Marketing is to provide market products and services to the appropriate consumers at the appropriate time and place with the appropriate price, appropriate information communication and promotion methods; Turning potential exchanges into actual exchanges is a necessary means to tap new customers. One of the marketing methods is to attract customers through on-site training, teaching and publicity. The projector is even more necessary. In some unconditional occasions, you need to bring the projector and the screen by yourself. The projector needs to pay attention to the following points in the process of carrying and using the projector. Regularly filter the dust to avoid strong collision, extrusion and vibration. , Pay attention to the ventilation and heat dissipation of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B5/02G03B21/58
CPCG09B5/02G03B21/58
Inventor 王毅
Owner 王毅
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