A THREE-DIMENSIONAL PRESENTATION DEVICE FOR ANALOG SALES VOLUME IN BUSINESS ADMINISTRATION TEACHING

The invention discloses a three-dimensional presentation device for analog sales volume in business administration teaching, comprising a base plate provided with a vertical rod at the top, and a positioning frame provided on the top of the vertical rod, with a supporting plate provided on the top of the positioning frame; the positioning frame is in rotation connection with the supporting plate by bearing pedestals, and the front surface of the supporting plate is provided with transparent tubes, with valves provided on the top of the transparent tubes and with the water bottles provided on the top of the valves; the rear surface of the supporting plate is provided with a writing tablet and the rear surface of the writing tablet is provided with a connection frame; one end of the connection frame is provided with a connecting hole. Compared with the prior art, the invention has the following advantages: providing a simple and compact overall structure, with the clear and reasonable working principles as well as the selection and connection of different spare parts, realizing a simple manufacturing mode and application method, and a low production-cost and use-cost; significantly improving the presentation efficiency, solving the problem of inappropriate use of traditional presentation methods and devices, achieving the results of good applicability and convenient popularization.