Floating mounting structure of ignition electric nozzle, combustion chamber and engine

The utility model provides a floating installation structure of an ignition electric nozzle, a combustion chamber and an engine. The floating mounting structure comprises a mounting base and a sparking plug floating sleeve, a first clamping part is arranged on the mounting base, a second clamping part used for being clamped with the first clamping part is arranged on the sparking plug floating sleeve, and the first clamping part is used for preventing the sparking plug floating sleeve from being separated from the mounting base in the first direction. The combustion chamber comprises a floating installation structure of the ignition electric nozzle. The engine includes a combustion chamber. According to the floating mounting structure of the ignition plug, the combustion chamber and the engine, the first clamping part and the second clamping part which are mutually clamped and connected are respectively arranged on the mounting base and the ignition plug floating sleeve, so that the clamping connection of the