Electronic cigarette

An electronic cigarette comprising a battery component, wherein a battery, a printed circuit board and a press-key switch being provided in the battery component, and the press-key switch is set on the printed circuit board, an end face of the battery is located opposite one end face of the printed circuit board;

• a first electrode pin and a second electrode pin are provided on one end face of the battery;
• wherein the end face of the battery is adjacent to the printed circuit board;
• a first socket and a second socket are provided at one side of the printed circuit board, wherein the side of the printed circuit board is adjacent to the battery;
• the first electrode pin is inserted and soldered in the first socket, and the second electrode pin is inserted and soldered in the second socket;
• wherein the press-key switch is installed on one end face of the battery component;
• wherein the battery component further comprises an outer sleeve and an end cap that covers on one end face of the outer sleeve;
• the press-key switch is inserted in the end cap;
• wherein the end cap comprises a body portion and a cap portion;
• the outer sleeve sheaths around the body portion;
• the cap portion covers on the outer sleeve;
• the end face of the body portion, which is opposite from the cap portion, extends axially to form two fix slices;
• the printed circuit board is fixed between the body portion;
• wherein the outer sleeve is made of metallic conductive material;
• an electrode piece is provided on the printed circuit board;
• the electrode piece abuts the outer sleeve;
• the battery component further comprises a first outer electrode that is set on the end opposite from the end cap;
• the first outer electrode is sheathed around by the outer sleeve and adapted to the outer sleeve.