Nozzle insulation structure for thrust steering jet engines

The invention relates to a nozzle insulation structure for thrust steering jet engines. The structure is suitable for field of medium and small thrust aero-engines having thrust steering demands. Thestructure consists of 1 # heat shield (9), 2 # heat shield (8), 3 # heat shield (7), 4 # heat shield (6), elastic connecting sleeve members (13) and air entraining holes (2). The heat shields forms anoverall structure member; a friction material is a high temperature alloy, and the friction material is simple in structure, light in weight and good in maintainability, and is capable of repeated assembly and disassembly; gaps are designed between the heat shields so that no additional load can be achieved during a nozzle steering process; a heat bearing part is separated with a bearing part, and therefore, high temperature resistance demands can be met, long service life can be achieved, and reliability of the structure can be enhanced; and through the controlling of the designed gaps, cooling air entraining amount