Structure for evenly applying forces on a heat dissipation base

A structure for evenly applying forces on a heat dissipation base, comprising:

• a heat dissipation base having an upper surface and a lower surface, and including at least one through bores formed at each of four corners of the heat dissipation base;
• a screw fastening element extended through each of the through bores to fix the heat dissipation base to a top of a heat source with the lower surface of the heat dissipation base being in contact with the heat source;
• a boss upward protruded from the upper surface;
• and a shaft extended in a radial direction through the boss with two ends of the shaft projected from an outer surface of the boss;
• a hold-down member having an upper side and a lower side and being formed with a through-opening that extends from the upper side to the lower side;
• and the hold-down member being disposed on the upper surface of the heat dissipation base with the through-opening correspondingly fitted around the outer surface of the boss;
• and
• an adjustment element including a hollow cylindrical body with two open ends for externally fitting around the boss;
• the hollow cylindrical body being provided on a peripheral wall with a sliding slot section and a force applying section;
• the shaft of the heat dissipation base being engaged with and slidable in along the sliding slot section;
• the force applying section being operable to drive the hollow cylindrical body to rotate while causing the shaft of the heat dissipation base to slide in along the sliding slot section, such that the hollow cylindrical body is brought to move downward in an axial direction of the boss, enabling the adjustment element to force the hold-down member to apply evenly distributed downward forces on a center area of the heat dissipation base.