Patent ID: 8379335

Claim:
An exhausting structure for lens, comprising: a fixing portion, adapted to be disposed with an optical lens, the fixing portion being formed with a fixing hole, the optical lens being received and positioned in the fixing hole; a base, fixed to the fixing portion, the base being formed with a space, the space communicating with the fixing hole, the base being formed with an air channel, the air channel having a first opening and a second opening, the first opening communicating with an external environment, the second opening communicating with the space, a direction of the first opening defining a projecting direction, a projecting outline of the first opening in the projecting direction being separated from a projecting outline of the second opening in the projecting direction; wherein the air channel extends continuously in a side wall of the base, the first opening is opened on an outer surface of the side wall, the second opening is opened on an inner surface of the side wall, and a light which enters into the first opening in a direction is unable to pass through the second opening in the direction.