Lens barrel and lens module using same

Abstract

The invention relates to a lens module which comprises a lens barrel and a lens seat, wherein the lens barrel comprises a cylindrical accommodating part, the accommodating part comprises an internal side wall and an external side wall, and an external thread is arranged on the external side wall. A plurality of mutually spaced lug bosses extend from the top edge of the internal side wall along the direction parallel to the axis of the lens barrel. A spot gluing gap is formed in the position between every two adjacent lug bosses. The top edge of the internal side wall is provided with a glue injection notch penetrating into the internal side wall in the position corresponding to the middle part of each spot gluing gap. The lens seat comprises a screwed connection part, and an internal thread corresponding to the external thread is arranged on the screwed connection part.

Description

technical field

[0001] The invention relates to a lens barrel and a lens module using the lens barrel. Background technique

[0002] In existing lens modules, an annular protrusion is usually provided at the bottom edge surrounding the inner wall of the lens barrel. When the lens barrel is installed on the base, there is a distance between the lens barrel and the electronic components in the base, such as the image sensor, etc., through the annular protrusion.

[0003] When it is necessary to dispense glue in the lens barrel to fix the optical element, the glue is coated on the inner wall of the lens barrel through the glue dispensing needle. However, if the flow of the glue is not properly controlled during the process of coating the glue, the residual glue will overflow onto the annular bump. When the lens module performs a focusing action, the colloid remaining on the ring-shaped protrusion is likely to contaminate the image sensor. Secondly, because there is no fixed-...

Images