Lens module

A lens module, comprising a lens barrel, a lens group disposed in the lens barrel, and a pressing ring,

• the lens barrel comprising a first barrel wall provided with an optical aperture and a second barrel wall bending and extending from the first barrel wall, the second barrel wall comprising an inner-side wall near an optical axis and an outer-side wall disposed opposite to the inner-side wall,
• the lens group comprises at least one lens,
• wherein
• the lens comprises an optical portion and a bearing portion disposed around the optical portion,
• the bearing portion comprises an object side facing a side of an object, an image side disposed opposite to the object side, and a lateral surface connecting the object side and the image side,
• the lens is provided with a first concave part concaved from the image side to the object side and runs through the lateral surface, the first concave part and the inner-side wall of the second barrel wall jointly form a first adhesive accommodating slot for accommodating adhesive,
• the pressing ring comprises a first surface abutting against the image side and a second surface disposed opposite to the first surface, and the pressing ring is provided with a second concave part concaved from the second surface to the first surface, the second concave part and the inner-side wall of the second barrel wall jointly form a second adhesive accommodating slot for accommodating adhesive.