Bearing inner ring and full-ball bearing

A bearing inner ring and full ball bearing technology, applied in the field of bearings, can solve the problems of easy damage and poor stability of the inner ring, and achieve the effects of stable rotation, improved bearing capacity, and eliminated friction

Active Publication Date: 2015-12-09
LUOYANG BEARING RES INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a full ball bearing to solve the problem of poor stability and easy damage of the inner ring caused by the curvature of the raceway groove of the inner ...

Method used

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  • Bearing inner ring and full-ball bearing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0017] Embodiment 2 of the full ball bearing of the present invention: the difference from Embodiment 1 is that the inner ring of the bearing is set as a whole, and the shape of the cross-section passing the axis is a U-shaped groove structure, and one side of the groove wall is provided with a Fill the gap of the steel ball.

Embodiment 3

[0018] Embodiment 3 of the full ball bearing of the present invention: the difference from Embodiment 1 lies in that the right side of the retaining ring of the inner ring is an inclined surface.

[0019] Embodiment 4 of the full ball bearing of the present invention: the difference from Embodiment 1 is that the retaining ring connection structure is respectively provided on the right end surface of the inner ring body and the connection hole on the inner ring retaining ring, and the inner ring retaining ring and The inner ring body is connected by connecting screws.

Embodiment 1

[0021] Embodiment 1 of the bearing inner ring of the present invention: the structure of the bearing inner ring in the above full ball bearing embodiment is the same, and will not be repeated here.

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PUM

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Abstract

The invention provides a bearing inner ring and a full-ball bearing. The full-ball bearing comprises a ball, the bearing inner ring and a bearing outer ring, wherein the axes of the bearing inner ring and the bearing outer ring extend left and right. The bearing inner ring is provided with a flat outer circumferential face used for being in rolling fit with the ball, and the diameter of the flat outer circumferential face is unchanged in the axial direction. An inner circumferential face of the bearing outer ring is provided with an arc rolling track which is in rolling fit with the ball and protrudes outwards in the radial direction. Thus, the groove curvature of the bearing inner ring is almost infinite and far higher than that of the arc rolling track of the bearing outer ring, friction caused by differential sliding is eliminated, and frictional torque is reduced. The bearing inner ring is free of channels, so that the machining difficulty and machining cost of the bearing inner ring are effectively reduced. Meanwhile, when rotating at high speed, the ball moves outwards in the radial direction under centrifugal force and is tightly attached to the arc rolling track on the inner circumferential face of the bearing outer ring, the arc face of the arc rolling track limits the ball in the axial direction, it is ensured that the ball rotates stably, and bearing stability is improved.

Description

technical field [0001] The invention relates to the field of bearings, in particular to a bearing inner ring and a full ball bearing. Background technique [0002] Among the ball bearings, there is a full ball bearing with a special structure. Its structural feature is that the bearing has no cage, and ball filling gaps are designed on the inner and outer rings, so it can hold more balls than ordinary deep groove ball bearings. Since this kind of bearing has no friction between the cage, the ring and the rolling body, the friction torque is small, and the sensitivity is high, it is widely used in the flight attitude and direction control systems of aerospace, aviation and navigation devices. Since the full ball bearing has a large number of balls, in order to fit all the balls into the bearing, this kind of bearing needs to design ball filling gaps on the inner and outer rings. Although the ball filling gap can be filled with balls, it has a great influence on the structure...

Claims

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Application Information

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IPC IPC(8): F16C19/16F16C33/58
CPCF16C19/06F16C33/605F16C33/767
Inventor 朱川峰葛世东孙北奇李文超
Owner LUOYANG BEARING RES INST CO LTD
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