Patent ID: 11930602
Assignee: nan
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. An electronic device, comprising:
a shell having an accommodating space, a first opening and a second opening, wherein the accommodating space has an inner wall, and the inner wall has two first buckling portions, and the inner wall has two first buckling portions, the first opening and the second opening are two ends of the accommodating space;
an EMI shielding cover arranged in the accommodating space and having two U-shaped outer walls assembled to each other, wherein the U-shaped outer walls correspond to the inner wall, and each of the outer walls has a second buckling portion corresponding to one of the first buckling portions, one of the first buckling portion and the second buckling portion is a protrusion, and the other is a recess;
two insulating sheets fixed in the inner side of the U-shaped outer walls respectively;
a heat sink fixed to the EMI shielding cover and located between the inner wall and the outer wall, wherein the heat sink has a positioning portion corresponds to one of first buckling portions and one of second buckling portions;
a circuit board arranged within and enclosed by the EMI shielding cover, wherein the circuit board and the EMI shielding cover are fixed to each other;
two hook structures disposed on two sides of one of U-shaped outer walls, and adjacent to the first opening and the second opening, wherein the hook structures abut the two insulating sheets and the circuit board; and
a first cover plate and a second cover plate, the first cover plate and the second cover plate assembled to the periphery wall of the first opening and the second opening respectively and close the first opening and the second opening;
wherein the first buckling portion and the second buckling portion are buckled with each other to limit relative degrees of freedom of the shell and the EMI shielding cover, and the heat sink has a positioning portion corresponding to the first buckling portion and the second buckling portion.