Lens module

A lens module, comprising:

• a lens barrel,
• a lens having an optical axis accommodated in the lens barrel, and
• a pressing ring abutted against the lens from an image side;
• wherein the pressing ring comprises an upper surface close to an object side, a lower surface disposed opposite to the upper surface, an inner connecting surface connecting the upper surface and the lower surface, and an outer connecting surface opposite to the inner connecting surface;
• the outer connecting surface is abutted against the lens barrel,
• the upper surface is provided with a boss extending towards the object side,
• the boss comprises a top surface, a first side surface extending towards the image side from an edge of the top surface close to an optical axis along a direction close to the optical axis, and a second side surface extending towards the image side from an edge of the top surface far away from the optical axis along a direction far away from the optical axis;
• the upper surface comprises a first surface extending from an edge of the second side surface far away from the optical axis towards the direction far away from the optical axis,
• the first surface and the second side surface are abutted against the lens, and
• the top surface is spaced apart from the lens;
• wherein the lens comprises an optical portion and a bearing portion disposed around the optical portion,
• the bearing portion comprises an object-side surface close to the object side, an image side surface disposed opposite to the object-side surface, and a peripheral surface connecting the object-side surface and the image-side surface,
• the lens barrel comprises a first abutting surface abutted against the peripheral surface, a second abutting surface abutted against the outer connecting surface, and an extending surface connecting the first abutting surface and the second abutting surface,
• the extending surface extends from the first abutting surface towards the direction far away from the optical axis,
• the image-side surface comprises a second surface extending from an edge of the peripheral surface towards the direction close to the optical axis, a third surface towards the object side along the direction close to the optical axis, and a fourth surface extending from an edge of the third surface close to the object side towards the direction close to the optical axis, and
• the first surface is abutted against the second surface, the second side surface is abutted against the third surface, and the top surface is spaced apart from the fourth surface,
• wherein a first shade is disposed between the pressing ring and the lens, the top surface is abutted against the first shade from the image side, and the fourth surface is abutted against the first shade from the object side.