LENS MODULE
The present disclosure relates to the field of optical lenses, and provides a lens module. The lens module includes a lens barrel, a first lens arranged at an object side of the lens barrel, and a fixing part for pressing the first lens against the lens barrel from an object side of the first lens. The fixing part includes a top wall for pressing the first lens, and a side wall extending from an outer rim of the top wall towards an image side and fixedly connected to the lens barrel. The first lens abuts against the top wall and is spaced apart from the side wall. The lens module provided by the present disclosure has a relatively higher stability.
1 . A lens module, comprising:
a lens barrel;
a first lens arranged at an object side of the lens barrel; and
a fixing part for pressing the first lens against the lens barrel from an object side of the first lens,
wherein the fixing part comprises:
a top wall for pressing the first lens; and
a side wall extending from an outer rim of the top wall towards an image side and fixedly connected to the lens barrel,
wherein the first lens abuts against the top wall and is spaced apart from the side wall.
2 . The lens module according to claim 1 , wherein the top wall comprises an object side surface, an image side surface opposite to the object side surface, and a connecting surface connecting the object side surface with the image side surface,
the connecting surface comprises an oblique surface, the oblique surface being connected to the image side surface and oblique with respect to an optical axis of the lens module,
the first lens comprises an incident surface close to an object side, the incident surface comprising an incident portion located at a central position, a matching portion surrounding the incident portion and attached to the oblique surface, and a supporting portion surrounding the matching portion and directly facing the image side surface.
3 . The lens module according to claim 2 , wherein the supporting portion is spaced apart from the image side surface.
4 . The lens module according to claim 3 , wherein the image side surface is parallel to the supporting portion.
5 . The lens module according to claim 1 , wherein the top wall comprises an object side surface, an image side surface opposite to the object side surface, and a connecting surface connecting the object side surface with the image side surface,
the connecting surface comprises an oblique surface, the oblique surface being connected to the image side surface and oblique with respect to an optical axis of the lens module,
the first lens comprises an incident surface close to an object side, the incident surface comprising an incident portion located at a central position, a matching portion surrounding the incident portion and directly facing the oblique surface, and a supporting portion surrounding the matching portion and attached to the image side surface.
6 . The lens module according to claim 5 , wherein the matching portion is spaced apart from the oblique surface.
7 . The lens module according to claim 6 , wherein the matching portion is parallel to the oblique surface.
8 . The lens module according to claim 2 , wherein the side wall is fixedly connected to the lens barrel by means of threads.
9 . The lens module according to claim 5 , wherein the side wall is fixedly connected to the lens barrel by means of threads.
10 . The lens module according to claim 8 , wherein the side wall is fixedly connected to the lens barrel by means of a thermosetting glue.
11 . The lens module according to claim 2 , wherein a seal ring is provided between the lens barrel and the first lens, the lens barrel is provided with a groove, and the seal ring is received in the groove.
12 . The lens module according to claim 5 , wherein a seal ring is provided between the lens barrel and the first lens, the lens barrel is provided with a groove, and the seal ring is received in the groove.