| 摘要 |
<p>Disclosed is an electronic cigarette, comprising a battery sleeve (10), an outer sleeve (20), an inner threaded sleeve (40), an outer threaded sleeve (30) and an upper electrode (50) fixedly provided inside the outer threaded sleeve (30), wherein the upper electrode (50) is provided with a first through-hole (510), the outer threaded sleeve (30) is provided with a second through-hole (310), the inner threaded sleeve (40) comprises a tubular body (410) and an annular land (420) which extends radially along an end face of the tubular body (410) and is formed with respect to the periphery of the tubular body (410), the annular land (420) comprises an upper end face (422) and a lower end face (424), the upper end face (422) is a wave-shaped end face, the tubular body (410) is sheathed inside the battery sleeve (10), the lower end face (424) and the battery sleeve (10) are butt-joined, an air intake channel in communication with the outside environment is formed at the butt joint of the upper end face (422) and the outer threaded sleeve (30), and the air intake channel forms an airflow loop with the second through-hole (310) and the first through-hole (510). The formation of the air intake channel at the connection of wave-shaped end faces can avoid harming user.</p> |
