Novel cooling fan
A heat dissipation fan and fan technology, applied in the direction of instruments, electrical digital data processing, digital data processing components, etc., can solve the problems of dust removal structure, motor component installation structure, chip maintenance structure and quick installation structure, etc., and achieve good mute effect , Reasonable structural design, convenient dust removal effect
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[0021] Now in conjunction with the accompanying drawings, the structure and use of the present invention will be further described. Such as Figure 1-Figure 3 As shown, the fan outer frame 1 side of the cooling fan is provided with an inner cover 6, the shell mouth of the inner cover is provided with filter cotton 8 and an outer net cover 9, the inner cover is square, and the inner diameter of the inner cover is provided with Ventilation net, the ventilation net is circular, and the square end angle of ventilating net outer diameter is respectively provided with installation hole; The filter cotton is arranged on the large shell opening of the inner casing, the ventilation net is arranged on the small casing opening of the inner casing, and is limited to the limiting ribs on the inner diameter of the inner casing, and the limiting ribs are arranged on the tapered surface and the inner diameter of the inner casing. Ventilation mesh surfaces are respectively provided with limit...
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