The present invention provides a luggage case with a rapidly installed structure, including a first case body, a second case body, a first zipper, a first fastened frame, a first connecting ring, a second fastened frame, a second connecting ring, and a bent joint. The first fastened frame is connected to the first case body by providing a first clamping groove, the second fastened frame is connected to the second case body by providing a first clamping groove, and the first fastened frame and the second fastened frame are integrally formed through injection molding. The zipper is connected to the case body by firm bonding, and stability is ensured. The bent joint is disposed to be adapted to a shape of the fastened frame and plays roles of connection and limitation.