Physics hydraulic pressure presentation device

The utility model relates to a hydraulic pressure presentation device especially relates to a physics hydraulic pressure presentation device. The to -be -solved technical problem of the utility model is to provide a physics hydraulic pressure presentation device of with low costs, simple structure and easy and simple to handle. In order to solve above -mentioned technical problem, the utility model provides a such physics hydraulic pressure presentation device, including the bottom plate, the left side board, left side bearing frame, right side bearing frame, the slide rail, the cylinder, the right side board, in order to solve the technical problem, the gear, which comprises a base plate, the slider, the nut, the wedge, a slide rail, the lifter, fixed dog, the elastic component, the touch roller, first box, U type glass pipe, the second box, communicating pipe, the check valve, the hose, the hydraulic pressure membrane, the touching -type roller button further comprises elastic components, diaphragm and guid