Metal hose connecting device for fuel gas

The utility model provides a metal hose connecting device for fuel gas, which belongs to the technical field of hoses for connecting fuel gas appliances and comprises a connector and a corrugated pipe, a straight pipe section matched with the connector is horizontally arranged at the left end of the corrugated pipe, a first connecting ring is sleeved on the connector, a second connecting ring is sleeved on the straight pipe section, and the first connecting ring and the second connecting ring are connected with each other. According to the flexible pipe connector, the connector and the corrugated pipe can be tightly fixed together, so that the whole structure is firmer, the stability of the whole structure of the device is improved, and the problem that the flexible pipe connector is not standard or is damaged due to environmental vibration is solved. The problem that the socket connector is easy to loosen and even completely falls off under the conditions of vibration movement of the gas cooker and the like