LENS MODULE
The present disclosure provides a lens module. The lens module includes a lens barrel, and a lens group, a light-shielding plate and a first light-shielding sheet accommodated in the lens barrel, where the lens barrel includes a first barrel wall provided with an optical aperture, a second barrel wall bent and extending from the first barrel wall, a third barrel wall extending from the second barrel wall toward a direction away from an optical axis, and a fourth barrel wall bent and extending from the third barrel wall toward a direction away from the first barrel wall. Compared with the related art, the lens module of the present disclosure has better mechanical stability.
1 . A lens module, comprising a lens barrel, and a lens group, a light-shielding plate, and a first light-shielding sheet accommodated in the lens barrel,
the lens barrel comprises a first barrel wall provided with an optical aperture, a second barrel wall bent and extending from the first barrel wall, a third barrel wall extending from the second barrel wall toward a direction away from an optical axis, and a fourth barrel wall bent and extending from the third barrel wall toward a direction away from the first barrel wall;
the lens group comprises a first lens fixed to the fourth barrel wall and a second lens fixed to the third barrel wall, and the light-shielding plate and first light-shielding sheet are located between the first lens and the second lens, wherein the light-shielding plate comprises a body portion and several first lugs extending from the body portion toward the third barrel wall, a gap is provided between adjacent first lugs;
the first light-shielding sheet comprises a body portion and several connecting portions extending outward from the body portion, and the connecting portions are located inside the gaps and correspond to the gaps one by one.
2 . The lens module according to claim 1 , wherein a width of the connecting portion is gradually increased from an end of the connecting portion close to the optical axis toward an end thereof away from the optical axis.
3 . The lens module according to claim 1 , wherein a quantity of the first lug is two, and the two first lugs are symmetrically disposed with respect to a central axis of the light-shielding plate, a quantity of the connecting portion is two, and the two connecting portions each are connected between the two first lugs in an engaged manner.
4 . The lens module according to claim 1 , wherein a quantity of the first lug is three, and the three first lugs are evenly distributed along a circumferential direction of the light-shielding plate, a quantity of the connecting portion is three, and the three connecting portions each are connected between adjacent first lugs in an engaged manner.
5 . The lens module according to claim 1 , wherein the light-shielding plate further comprises a second lug extending from the body portion toward a direction away from the first barrel wall, and the first lens is mounted on the second lug.
6 . The lens module according to claim 1 , wherein the third barrel wall comprises a first surface opposite to the first lens and a second surface opposite to the optical axis, and the second lens abuts against the second surface.
7 . The lens module according to claim 6 , wherein the third barrel wall further comprises an abutment portion extending from the first surface toward a direction of the first lens, and the abutment portion abuts against the light-shielding plate.
8 . The lens module according to claim 1 , wherein a main body portion of the first light-shielding sheet is sandwiched between the second lens and the light-shielding plate.
9 . The lens module according to claim 1 , wherein the lens module further comprises a second light-shielding sheet sandwiched between the light-shielding plate and the first lens.