Combustion chamber structure by using preheating net and spark plug to ignite

A combustion chamber structure by using a preheating net and a spark plug to ignite, comprising a cylinder, the cylinder having a combustion chamber therein, the cylinder having an opening to communicate with the combustion chamber, the combustion chamber structure comprising a connection seat located on the opening and connected with the cylinder, the connection seat having a threaded hole which communicates with the combustion chamber, the spark plug being fixedly connected in the threaded hole, the spark plug having a central electrode therein, the central electrode having an axial discharge end at one end thereof toward the combustion chamber, the discharge end functioning as a positive pole of the spark plug, another end of the central electrode protruding out of the spark plug to form a connection portion, characterized by:

• the preheating net being transversely fixed to the connection seat and disposed under the discharge end of the spark plug as a negative pole of the spark plug, a certain distance being defined between the discharge end of the spark plug and the preheating net, when electrified, the discharge end of the spark plug as the positive pole and the preheating net as the negative pole generating an electric arc to ignite.