Novel oil bearing motor structure
A new structure and bearing technology, applied in the components of pumping devices for elastic fluids, non-variable displacement pumps, machines/engines, etc., can solve the problems of contact friction, increase product cost and processing difficulty, etc. Achieve the effect of avoiding contact friction and running smoothly
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[0034] Example: A new structure for an oil-impregnated bearing 2 motor, including a shaft 1 fixedly installed on the fan motor housing 13 and a bearing 2 installed in the fan frame 9. The upper end of the shaft 1 is fixedly connected with the shaft 1 The rotating shaft is inserted into the bearing 2. Lubricating oil is injected between the outer circumferential surface of the shaft core 1 and the inner surface of the bearing 2. The feature is that the circumferential outer surface of the shaft 1 is provided with a number of concave pressure grooves 3, The pressure groove 3 gradually decreases in cross section along the rotation direction of the shaft center 1.
[0035] On the corresponding mating surface of the shaft 1 and the bearing 2, a groove with a cross section ranging from large to small is arranged along the rotation direction of the shaft 1, and the flow volume of the lubricating oil from a large section to a small section is compressed when the shaft 1 rotates. The thru...
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