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Bearing used for automobile oil-free air compressor

A technology of oil-free air compressors and bearings, applied in bearings, bearing components, shafts and bearings, etc., can solve problems such as bearing failure, low equipment compression efficiency, noise, etc., achieve strong working performance, reduce noise, and achieve reliability and long life effect

Inactive Publication Date: 2018-07-06
UBC SHANGHAI PRECISION BEARING MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Therefore, the bearing needs to bear a large axial load and a very small amount of axial movement during normal operation. The existing bearings do not have a large axial load capacity and the ability to control the amount of axial movement, which leads to equipment failure. Low compression efficiency and noise, and bearings are also prone to failure

Method used

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  • Bearing used for automobile oil-free air compressor
  • Bearing used for automobile oil-free air compressor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Such as figure 1 As shown, a bearing for an automobile oil-free air compressor includes two sets of angular contact ball bearing bodies, the two sets of angular contact ball bearing bodies are arranged back to back, sealing rings are provided on both sides of the bearing, and lubricants are filled inside.

[0029] The bearing includes two outer rings 01, two inner rings 02, several steel balls 04, a cage 07, a sealing ring 68, and a certain amount of grease. 07 Divide it evenly on the entire channel. The inner ring is set on the inner side of the steel ball circumference. After configuration, there are sealing rings on both sides of the outer ring. The sealing ring is relatively fixed to the outer ring and rotates relative to the inner ring. The inside of the bearing is filled with grease.

[0030] The sealing ring is arranged on both sides of the outer ring. The angular contact ball bearing body adopts a contact angle of 40 degrees. Ribs are provided on the outer rin...

Embodiment 2

[0033] Such as figure 2 As shown, a bearing for an automobile oil-free air compressor includes two sets of angular contact ball bearing bodies.

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PUM

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Abstract

The invention relates to a bearing used for an automobile oil-free air compressor. The bearing used for the automobile oil-free air compressor comprises two sets of angular-contact ball bearing bodies. The two sets of angular-contact ball bearing bodies are arranged in a face-to-face or back-to-back mode. The two sides of the bearing are provided with sealing rings. The interior of the bearing isfilled with lubricants. Compared with the prior art, the bearing has the advantages of achieving a stable type of a dynamic vortex plate, reducing noise and the like.

Description

technical field [0001] The invention relates to a bearing, in particular to a bearing for an automobile oil-free air compressor. Background technique [0002] As people pay more and more attention to the requirements of the environment, as an oil-free scroll air compressor in the compressor, it has the following characteristics: 1) no oil / carbon pollution, long service life; 2) less moving parts, The structure is simple and the reliability is high; 3) The moving and static scrolls do not touch during operation, and the vibration and noise are small. Therefore, oil-free scroll air compressors are more and more widely used. [0003] The fixed scroll and the movable scroll of the oil-free scroll air compressor move in a plane with a small radius under a certain phase. The movable and static scrolls mesh to form several pairs of crescent-shaped closed compression chambers. The gas sucked into the working chamber is then formed by the crescent. The shape of the compression cham...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C19/18F16C33/58F16C33/66F16C33/78
CPCF16C19/18F16C33/585F16C33/6603F16C33/78
Inventor 卢天民李小明鲁志峰
Owner UBC SHANGHAI PRECISION BEARING MFG
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