Functional teaching demonstration device

A demonstration device and a multi-functional technology, applied in the field of multi-functional teaching demonstration devices, can solve the problems of easily blocking the projector and the curtain, students cannot see the projection content of the curtain, and students cannot watch the projection content, and the effect of ensuring stability is achieved.
CN108535946AInactive Publication Date: 2018-09-14重庆靖帛天域科技发展有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
重庆靖帛天域科技发展有限公司
Publication Date
2018-09-14
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention discloses a functional teaching demonstration device. The device comprises a slide rail arranged on a platform, the slide rail is slidingly connected with two sets of display units, each display unit comprises one curtain and one projector arranged at the front portion of one curtain; the bottom end of the slide rail is provided with a plurality of air bags capable of pushingthe display units to move; all the air bags are connected together to form foot pads covering the surface of the platform; one hydraulic pressure bag filled with clear water are arranged at intervalsbetween each two air bags, and all the hydraulic pressure bags communicate to one another; the hydraulic pressure bags located at one sides of the foot pads are connected with a discharging tube extended above a teacher's desk; and a water cup configured to hold water is arranged at the lower portion of the discharging tube.
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Description

technical field

[0001] The invention relates to the field of teaching equipment, in particular to a multifunctional teaching demonstration device. Background technique

[0002] The writing board is an indispensable demonstration device in teaching work. The blackboard is an early type of writing board, but since it is necessary to write with chalk when using the blackboard, and the chalk is prone to problems such as falling ash, which greatly affects the environment. Therefore, chalk and blackboards are gradually replaced by water-based pens and whiteboards.

[0003] With the increasing use of electronic equipment such as projectors in teaching, teachers rarely use water-based pens and whiteboards in class, but use PPT courseware prepared before class to explain. This saves the teacher's time for writing on the whiteboard and effectively improves the efficiency of the class.

[0004] However, when the projector is projected to a presentation device such as a curtain, ther...

Claims

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