Carbonated water machine

A carbonated water machine, comprising:

• a base, wherein the base comprises a main body and an extension part, the main body is formed with a mounting cavity, the extension part is extended outward from a side wall of the main body, and an internal space of the extension part is intersected with the mounting cavity, the extension part is provided with a flow outlet;
• a mixer, wherein the mixer is arranged in the mounting cavity, the mixer is formed with a mixing chamber, the mixer is opened with a gas-liquid inlet and an output port communicating with the mixing chamber, and the output port is communicated with the flow outlet;
• a liquid supply assembly, wherein the liquid supply assembly is arranged in the mounting cavity, and a liquid outlet of the liquid supply assembly is in communication with the gas-liquid inlet;
• and
• a gas supply assembly, wherein the gas supply assembly is disposed in the mounting cavity, and a gas outlet of the gas supply assembly is in communication with the gas-liquid inlet;
• wherein the gas supply assembly comprises a gas cylinder vertically disposed in the mounting cavity, a gas cylinder connector and an ejector mechanism;
• the gas cylinder connector covers a valve arranged on a top of the gas cylinder, and the gas cylinder connector is provided with the gas outlet;
• and
• the ejector mechanism is arranged above the gas cylinder connector, an ejector rod of the ejector mechanism is telescopically arranged, and one end of the ejector rod is configured though the gas cylinder connector and abutted against the valve of the gas cylinder to open and close the valve during an extension and retraction process.