Gas heater

A gas heater, comprising:

• a gas bottle for storing a gas;
• a valve body connector, wherein a cavity is provided in the valve body connector, the valve body connector is respectively connected to a regulator and a safety valve, both the regulator and the safety valve are communicated with the cavity, the regulator is connected to the gas bottle, the gas is configured to enter the cavity of the valve body connector through the regulator, the valve body connector is provided with a valve nozzle, and the valve nozzle is communicated with the cavity;
• a burner, wherein an air inlet pipe is provided between the burner and the valve body connector, one end of the air inlet pipe is connected to the valve nozzle, another end of the air inlet pipe is connected to the burner, the gas is configured to enter the air inlet pipe through the valve nozzle, the air inlet pipe is provided with a gap for an air to enter, the gas and the air are mixed in the air inlet pipe to form a mixed gas, and the mixed gas is configured to enter the burner through the air inlet pipe to get burned;
• and
• a connection pipe, wherein the connection pipe is communicated with the valve body connector, at least two gas bottles are provided, the gas bottles are respectively connected to gas bottle joints, the gas bottle joints are respectively connected to two ends of the connection pipe, the gas bottle joint is provided with a rotary member, the rotary member is extended into the connection pipe, the connection pipe is connected to a locking member, the locking member is configured to pass through a side wall of the connection pipe and abut against the rotary member, the rotary member is sleeved with a rotary sealing ring, and the rotary sealing ring is in contact with an inner wall of the connection pipe.