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Brief Introduction of a Micro Heat Dissipation Fan for Computer

Back to list Release date: Mar 23, 2020

this article is about a micro cooling fan , especially a micro cooling fan device suitable for cooling computer components in computer systems.

the traditional existing micro cooling fan device for computers is composed of an outer shell, a motor, a ball bearing and a micro fan. However, the manufacturing cost of the ball bearing is relatively high, which makes it difficult to lower the overall cost of the micro heat dissipation fan device, thus causing the micro heat dissipation wind

fan units are becoming less competitive in the market. In addition, ball bearings are not ideal because of their high wear rate and noise.

in order to achieve this goal, the micro cooling fan device for computer mainly includes an outer casing, a motor, at least one self-lubricating bearing, and a micro fan, wherein the self-lubricating bearing is a slightly hollow cylinder, and the self-lubricating bearing has an outer peripheral surface with a in the center

a shaft hole, in addition, the outer peripheral surface can be assembled with the central hole of the motor, and the shaft hole can be sleeved with the rotating shaft of the micro fan to promote smooth operation of the fan; The self-lubricating bearing is made of polymer composite material with low friction coefficient or high temperature resistance, so the cost is reduced, and the bearing can be transported and rotated

wherein the self-lubricating bearing is made of a polymer composite material with low friction coefficient.


wherein the self-lubricating bearing is made of high temperature resistant polymer composite material. Wherein the self-lubricating bearing is made of Teflon material.

self-lubricating bearings 31, 32 and micro fan 4. An accommodating space 10 is formed inside the outer casing 1, and a fixing seat 11 is recessed in the center of the outer casing 1, and a through hole 111 is formed in the center of the fixing seat 11. The motor 2 is accommodated in the accommodation space 1 of the outer casing 1

0 and is fixed on the fixed seat 11, so that the central hole 21 in the center of the motor 2 can correspond to the through hole 111 in the center of the fixed seat 11. The self-lubricating bearings 31, 32 are slightly hollow cylinders with outer peripheral surfaces 311, 321, and the center of the self-lubricating bearings 31, 32 is penetrated with shaft holes 312,

322。 A plurality of fan blades 42 extend outward from the outer edge of a base 4 1, and a rotating shaft 411 extends axially in the center of the base 41.

when this article is combined, as shown in fig.1, the penetration order of the rotating shaft 411 of the micro fan 4 is the shaft hole 312 of the self-lubricating bearing 31, the central hole 21 of the motor 2, the through hole 111 of the fixed seat 11, and the shaft hole 322 of the self-lubricating bearing 32 from top to bottom. And the outer peripheries of the self-lubricating bearings 31 and 32

for the computer.

type cooling fan device operates smoothly.

the self-lubricating bearings 31 and 32 in this embodiment are made of Teflon material, and of course, they can also be made of low friction coefficient or high temperature resistant polymer composite material, so that the manufacturing cost can be reduced and the noise generated during the operation of the micro fan can be reduced, thus achieving the above-mentioned creative purpose

and efficacy.


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