Internet e-commerce teaching projection screen

Abstract

The invention discloses an internet e-commerce teaching projection screen. The internet e-commerce teaching projection screen includes a first panel, a second panel hinged to the first panel and a screen unfolding device mounted in a separable manner. A groove is arranged in the lower end of a right side wall of the first panel. A neck is arranged on the right end of an upper side wall of the first panel. The screen unfolding device includes a coiling block support and a coiling block mounted on the coiling block support. A screen coils on the coiling block. The coiling block support is arranged vertically and the upper end and the lower end are both provided with transverse telescopic expansion bars. The end parts of the expansion bar on the upper end are equipped with clamp blocks arranged vertically downwards. The internet e-commerce teaching projection screen is also provided with the second panel. A mounting groove and a stay rod are also arranged on the second panel. After the second panel is turned over, the stay rod can be pulled out for length adjusting, so that the length of the screen on the stay rod can be adjusted. By the arrangement of the second panel and the stay rod, the production length of the screen can be increased, so that different projection requirements can be met.

Description

technical field [0001] The invention relates to an Internet teaching device, in particular to an Internet e-commerce teaching projection screen. Background technique [0002] With the rapid development of the Internet, Internet learning courses have been added to primary and secondary schools, and multimedia teaching devices will be used in the Internet-based learning courses. The existing multimedia teaching devices are usually large in size and occupy a small area in order to set up the curtain. It is large and has a single function, and the length of the curtain cannot be adjusted, which is inconvenient to use. Contents of the invention [0003] The object of the present invention is to provide an Internet e-commerce teaching projection screen aiming at the deficiencies in the prior art. [0004] Technical scheme: the technical scheme adopted by the present invention to solve the problem is as follows: [0005] An Internet e-commerce teaching projection screen, compri...

AI Technical Summary

Problems solved by technology

[0002] With the rapid development of the Internet, Internet learning courses have been added to primary and secondary schools, and multimedia teaching devices will be used in the Internet-based learning courses. The existing multimedia teaching devices are usually large in size and occupy a small area in order to set up the curtain. It is large and has a single function, and the length of the curtain cannot be adjusted, which is inconvenient to use

Images