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Bearing system

A bearing and shaft center technology, applied in the field of bearing systems, can solve the problems of increasing the friction coefficient between the shaft sleeve and the shaft center, reducing the service life of the shaft sleeve bearing, and the loss of lubricating oil, so as to prolong the service life, avoid contact friction, reduce friction and reduce friction. The effect of small noise

Inactive Publication Date: 2006-05-31
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Abstract
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AI Technical Summary

Problems solved by technology

Sleeve bearings use direct contact between the shaft sleeve and the shaft center and make relative sliding. In order to reduce the friction and loss between the shaft sleeve and the shaft center to improve life and efficiency, lubrication is usually added between the shaft sleeve and the shaft center contact surface. Oil, but with the increase of the product use time, the lubricant is continuously lost, resulting in the continuous increase of the friction coefficient between the bushing and the shaft center, resulting in greater noise and reducing the service life of the bushing bearing

Method used

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  • Bearing system

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Embodiment Construction

[0010] see figure 1 , the bearing system of the present invention includes a relatively rotatable bushing 10 , a shaft 20 and a lubricating layer 22 between the bushing 10 and the shaft 20 .

[0011] The bushing 10 is installed in a machine body (not shown), and a desired rotating object (not shown), such as a fan blade, is installed on the shaft center 20, so that the fan blade can rotate around the machine body. The shaft sleeve 10 is made of high-hardness materials, such as ceramics, metals, alloys, and the like.

[0012] The shaft 20 can be made of a material that is easy to handle on the surface, such as stainless steel. The shaft 20 is covered with a nano-coating 21 on its surface through surface treatment. The material of the nano-coating 21 can be nano-titanium nitride (TiN), Diamond-like carbon (DLC), nano-titanium aluminum nitride (TiAlN), nano-titanium carbonitride (TiCN), nano-chromium nitride (CrN), nano-tungsten carbide (WC), etc., the lubricating layer 22 is ad...

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Abstract

A bearing system comprises bearing sleeve, bearing core and lubricant layer between them. To the outer surface of the bearing core or the inner surface of the bearing sleeve is coated with nanometer coating. The lubricant layer in between is a polymer material of dual functional of hydrophilic and hydrophoby, which reduces friction and prolong life time.

Description

【Technical field】 [0001] The invention relates to a bearing system. 【Background technique】 [0002] In the field of machinery, bearings are widely used, such as in fan products. Bearings are the key to the operation of the entire machine, and their performance directly affects the operating performance and work efficiency of the entire machine. Currently widely used bearings include bushing bearings and ball bearings. Each has different operating characteristics and has advantages and disadvantages. [0003] The ball bearing adopts non-direct contact between the shaft center and the bearing, and a series of uniformly arranged small balls are arranged between the shaft center and the bearing. When the shaft center and the bearing rotate relative to each other, the balls are between the inner surface of the bearing and the outer surface of the shaft center Relatively rolling, this kind of bearing structure is rolling because the relative movement between the parts is rollin...

Claims

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Application Information

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IPC IPC(8): F16C33/10F04D29/04
CPCF16C33/103
Inventor 洪居万郑景太王泽元
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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