Gas pipeline connector with good sealing effect

The utility model relates to the technical field of gas pipeline connectors, and discloses a gas pipeline connector with a good sealing effect, which comprises a gas pipe I and a gas pipe II, the first tension band is fixedly installed on the right end face of the first gas pipe; wherein an arc-shaped outer groove is formed in the right side face of the first tension band, an arc-shaped inner groove is formed in the inner wall of the arc-shaped outer groove, and a first annular clamping groove and a second annular clamping groove are further formed in the right side face of the first tension band; the second tension band is arranged on the right side face of the first tension band in a contact mode, and a second gas pipe is fixedly installed on the right face of the second tension band; and the connecting part is connected between the first tension band and the second tension band. According to the gas pipeline connector with the good sealing effect, the external sealing effect can be achieved through the fir