Patent ID: 9121444
Filing Date: 2015-09-01
Classification: F16C,H01L

Abstract:
1. A thermal module comprising: a heat dissipation unit having a main body and multiple radiating fins extending from a periphery of the main body, a center of the main body being formed with a locating section, the locating section including a fixing cavity and a locating hole in communication with the fixing cavity; a cup body having a receiving space and a fixing section, the fixing section being formed at one end of the cup body and affixed to the fixing cavity; a base seat received in the receiving space, the base seat having a first shoulder section, a second shoulder section and a receiving section; an assembling member passing through the receiving section and extending into the locating hole, the assembling member having a head section radially outward extending from the assembling member, the head section being attached to the second shoulder section; a retainer ring attached to the first shoulder section, the retainer ring being formed with a hole in communication with the receiving section; and a fan impeller assembly having a shaft rod extending from the fan impeller assembly and received in the receiving space, the shaft rod passing through the hole and extending into the receiving section, an elastic member being disposed at a first end of the shaft rod, which end is adjacent to the fan impeller assembly, a second end of the shaft rod opposite to the first end being formed with an engagement groove, the retainer ring being correspondingly engaged in the engagement groove.