Brazed helical fin cover plate, heat sink assembly for 5g heat sink

Abstract

The utility model belongs to the technical field of heat dissipation device manufacturing, disclose a kind of brazing bevel gear cover plate for 5G radiator, including cover plate body and the side plate being located at its both sides, multiple matrix grooves are set on cover plate body, at least one flanging structure is equipped on the opposite inner side wall of each matrix groove, the structure extends into groove cavity and forms limiting structure, for limiting the fin swing inserted in slot, and make fin and radiator substrate keep perpendicular. Flanging structure is preferably bevel gear flanging, its tooth tip and fin side wall abut, can be formed into clamping mechanism using the flanging unit of opposite arrangement. Bevel gear flanging height is 0.5~2mm, inclination angle is 15~45 °, can be integrally formed with cover plate by stamping. Positioning hole or protrusion is equipped in side plate lower part. Cover plate upper surface can also be equipped with strip-shaped heat dissipation groove to enhance heat dissipation. Radiator assembly includes substrate, fin and above-mentioned cover plate, and is formed into integrated structure by brazing, with the advantages of stable assembly, high heat dissipation efficiency and good structural strength.

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