Housing and electronic device

An electronic device, comprising a rear cover, a display screen, and a housing, wherein both the rear cover and the display screen are mounted on the housing, wherein

• the housing comprising:
• a frame body and an overmolded part, wherein the frame body comprises a first mounting frame, the first mounting frame is provided with a first mounting groove, the first mounting groove comprises a first sidewall, the first sidewall is provided with a retention groove, the first mounting frame comprises a first convex rib, the first convex rib is fixedly connected to the first sidewall, a side surface of the first convex rib is recessed inwardly toward the first convex rib, and a first limiting groove is formed between the side surface of the first convex rib and the first sidewall;
• the overmolded part comprises a second mounting frame, the second mounting frame comprises a second sidewall, the second sidewall is provided with a first groove, a sidewall of the first groove is provided with a first engagement part, the overmolded part further comprises a protrusion, and the protrusion is fixedly connected to the second sidewall;
• and
• the overmolded part is formed on the frame body, the second mounting frame is located in the first mounting groove, the second sidewall is opposite to the first sidewall, the first convex rib is located in the first groove, the first engagement part is located in the first limiting groove, and is engaged with the first limiting groove in a direction perpendicular to the first sidewall, and the protrusion is located in the retention groove, and is engaged with the retention groove in a width direction of the first sidewall.