An easy-to-adjust internet demonstration teaching device
A teaching device and Internet technology, applied in the field of teaching aids, can solve the problems of inconvenient storage and transfer of Internet demonstration teaching devices, and achieve the effects of convenient Internet demonstration teaching, convenient operation, convenient storage and transfer
Active Publication Date: 2022-08-02
HENAN VOCATIONAL COLLEGE OF APPLIED TECH
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Problems solved by technology
[0004] In view of the above situation, in order to overcome the defects of the prior art, the object of the present invention is to provide an easily adjustable Internet demonstration teaching device, which effectively solves the problem that the existing Internet demonstration teaching device is not easy to store and transfer
Method used
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[0022] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.
[0023] Depend on Figure 1 to Figure 9 Given, including the box body 1 with the opening facing upward, the front and rear sides of the bottom of the box body 1 are respectively provided with two first connecting rods 2 that are opposite to each other and can swing up and down, and the box body 1 is slidably connected with a support plate 3, and the support plate 3. Two left and right opposite second connecting rods 4 are hinged on the front and rear sides respectively. The second connecting rod 4 and the free end of the first connecting rod 2 are respectively provided with front and rear axial connecting gears, and the two connecting gears facing up and down are meshed with each other. , the upper end of the support plate 3 is vertically provided with a fixed plate 5, and the left and right ends of the fixed plate 5 are respectively ...
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An easy-to-adjust internet demonstration teaching device effectively solves the problem that the existing internet demonstration teaching device is inconvenient for storage and transfer; it includes a box body, the bottom of the box body is provided with two first connecting rods, and the box body is slidably connected with a a supporting plate, a second connecting rod is hinged on the supporting plate, a connecting gear is arranged between the second connecting rod and the free end of the first connecting rod, a fixing plate is arranged at the upper end of the supporting plate, and the left and right ends of the fixing plate are respectively hinged with a folding plate through a pin shaft; The lower end of the pin shaft is provided with a cylinder, the cylinder is provided with an arc-shaped groove, the lower end of the support plate is rotatably connected with a rotating shaft, the support plate is rotatably connected with a rotating cylinder, and the rotating cylinder is provided with a post, and the two rotating cylinders are opposite to each other. The ends are respectively provided with an outer cone, a rectangular block is slidably connected to the support plate, a push cylinder is rotatably connected to the rectangular block, a sliding cylinder is slidably connected to the rotating shaft, and an inner cone is coaxially arranged on the sliding cylinder; the invention has a novel concept, Ingenious structure, convenient operation and strong practicability.
Description
technical field [0001] The invention relates to the technical field of teaching aids, in particular to an Internet demonstration teaching device that is easy to adjust. Background technique [0002] Internet technology refers to an information technology developed and established on the basis of computer technology. Internet technology enables different devices to be connected to each other through the wide area network of the computer network, accelerates the transmission speed of information and broadens the acquisition channels of information, promotes the development of various software applications, and changes the way people live and learn. The widespread application of Internet technology is a sign of entering the information society. [0003] Internet demonstration teaching devices are required for Internet teaching. The existing Internet demonstration teaching devices are generally movable blackboards. Due to the overall size of the device, it takes up a lot of spa...
Claims
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IPC IPC(8): G09B19/00
CPCG09B19/00
Inventor 曹璐申菲张蓄金刘晓垒左世凯陈涛
Owner HENAN VOCATIONAL COLLEGE OF APPLIED TECH