Gas adjusting device and combustion assembly

A gas adjusting device adapted to be connected to a burner and a gas tank, comprising:

• a gas adjusting valve comprising a valve body, an adjusting member, and a knob, wherein the valve body has a gas connecting portion and a first connecting portion;
• the gas connecting portion is adapted to be detachably connected to the gas tank;
• an inner portion of the valve body has a gas passage;
• the gas passage has an entrance and an exit, wherein the entrance is formed in the gas connecting portion, and the exit is formed in the first connecting portion;
• the adjusting member is located in the gas passage, the knob is connected to the adjusting member and is adapted to drive the adjusting member to adjust a gas flow passing through the gas passage;
• a nozzle disposed on the valve body and located at the exit;
• a connecting base comprising a casing, wherein the casing has a first end and a second end that are opposite to each other;
• the first end has a second connecting portion, wherein the second connecting portion is connected to the first connecting portion;
• the casing has a mixing chamber, a through hole, at least one inlet, and an outlet that respectively communicate with the mixing chamber, wherein the through hole is located on the first end and the nozzle extends into the mixing chamber through the through hole;
• the at least one inlet is located between the first end and the second end and is located on a side of the nozzle;
• the outlet is located on the second end and is adapted to communicate with the burner;
• and
• an ignition unit disposed in the casing and comprising a high-voltage ignitor, an ignition electrode, and a button, wherein the ignition electrode is electrically connected to the high-voltage ignitor;
• the button is connected to the high-voltage ignitor and is adapted to activate the high-voltage ignitor.