| 摘要 |
<p>The present invention relates to an electric fan having a space formed between an upper case and a lower case, the electric fan comprising: a motor; a deceleration roller that rotates by means of engagement with a rotary shaft of the motor; a bevel gear unit connected to the deceleration roller; upper and lower rotating bodies rotating integrally with the bevel gear unit, each of the upper and lower rotating bodies having a cylindrical body with an outer surface on which at least one silicon rubber is mounted, wherein the upper and lower rotating bodies rotate in opposite directions; a fan rotating roller rotating by means of engagement with the silicon rubber of the upper and lower rotating bodies and having upper and lower outer surfaces that protrude in order to engage with the silicon rubber; a fan rotating shaft inserted and fixed in a center hole of an upper surface of the fan rotating roller; a fan fixing unit connected to an upper portion of the fan rotating shaft; an angle adjusting unit for adjusting the upper, lower, left and right angles of the fan fixed in the fan fixing unit; and a time set and speed adjusting unit installed on an upper surface of the upper case.</p> |
