Spark plug of gas generator

The utility model provides a spark plug of a gas generator, which relates to the technical field of spark plugs and comprises a shell, a mounting plate is fixedly mounted at the lower end of the shell, a threaded rod is fixedly mounted on the lower surface of the mounting plate, a central electrode is arranged at the lower end of the threaded rod, and a mounting component is arranged on the upper surface of the shell. A worker presses the insulator downwards to move, the fixing block can move downwards, when the fixing block is moved to the position of the guide groove, the worker moves upwards at the moment, the limiting block is separated from the interior of the limiting groove, and therefore the fixing block is separated from the limiting groove. According to the device, the process of installing and disassembling the insulator is simple and convenient, a worker can replace the insulator conveniently, and waste of resources can be effectively reduced. 本实用新型提供一种燃气发电机的火花塞，涉及火花塞技术领域，包括壳体，所述壳体下端固定安装有安装盘，所述安装盘