| 摘要 |
<p>The present invention relates to an electronic cigarette. A piston-type electronic cigarette for manually providing liquid essence, according to the present invention, comprises: a body; a liquid essence receiving space of a cylindrical shape, formed in the front of the body; a liquid essence outlet formed in the front of the liquid essence receiving space; a piston combined with the liquid essence receiving space; a driving part for pushing the piston; and a vaporization part installed in the front of the liquid essence receiving space so as to burn liquid essence discharged from the outlet, wherein the driving part comprises: a driving gear having a nut formed on the center thereof and having an outer gear formed on the outer circumferential surface thereof, the nut being combined with a screw formed in the rear of the piston; a driving wheel having an inner gear formed therein and combined with the body; and a connection gear combined between the driving wheel and the driving fear, thereby being capable of lifting and dropping the piston by turning the driving wheel.</p> |
