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Smart fixed teaching projection plate

A projection and intelligent technology, applied in optics, instruments, projection devices, etc., can solve problems such as lack of projection cloth winding

Active Publication Date: 2018-11-02
当涂县护河镇感湾劳务服务有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing intelligent teaching projection fixing board lacks a device that helps the winding of the projection cloth, which cannot meet people's needs.

Method used

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  • Smart fixed teaching projection plate
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  • Smart fixed teaching projection plate

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Embodiment Construction

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0017] see Figure 1-3 , the present invention provides a technical solution: an intelligent teaching projection fixing board, including a base 1 and a mounting board 10, the two sides of the base 1 are respectively fixed with pillars 2, and the upper ends of the two pillars 2 are fixedly arranged with A fixing part 3, a projection fixing plate 4 is fixedly arranged between the base 1 and the fixing part 3, and a storage box 5 is fixedly arranged on the outer ...

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Abstract

The invention discloses a smart fixed teaching projection plate comprising a pedestal and an installation plate, wherein braces are separately fixedly arranged on two sides of the pedestal, fixing pieces are fixedly arranges at the upper ends of the two braces, a fixed projection plate is fixedly arranged between the pedestal and the fixing pieces, a storage box is fixedly arranged on one side ofthe outer part of the fixed projection plate, a rotation rod is movably installed on the inner side of the storage box via a bearing, projection cloth winds on the outer side of the rotation rod, a movable piece is fixedly arranged at one end, far away from the storage box, of the projection cloth, the movable piece is movably installed on one side of the fixed projection plate, an installation box is fixedly arranged on the tube at the upper end of the fixed projection plate, a first gear is movably installed at each of two ends of the inner side of the installation box via a rotation shaft,and the first gear, close to one end of the storage box, on the inner side of the installation box is fixedly connected with the rotation shaft of the rotation rod. According to the plate provided bythe invention, automatic expansion and closing of the projection cloth are achieved, and the projection cloth is prevented from being exposed in the air and accumulated with dust.

Description

technical field [0001] The invention relates to the field of teaching apparatus and appliances, in particular to an intelligent teaching projection fixing board. Background technique [0002] Teaching is a human-specific talent cultivation activity composed of teachers' teaching and students' learning. Through such activities, teachers guide students to learn and master cultural and scientific knowledge and skills purposefully, in a planned and organized manner, and promote the improvement of students' quality, so that they can become the people needed by society. The development of my country's modern educational technology began in the 1920s, which is called audio-visual education. At that time, slideshows, movies and other media used in audio-visual education activities were a big step forward compared with the original word-of-mouth learning and later printing media used in teaching. Its communication method has taken a big step forward, and it has already belonged to t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B21/58
CPCG03B21/58
Inventor 黄永怀
Owner 当涂县护河镇感湾劳务服务有限责任公司
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