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Bearing assembly

A technology of bearing components and shaft parts, applied in the direction of bearing components, bearings, shafts and bearings, etc., can solve the problems of linear bearing failure, sliding friction, unsuitable guide rail rotation movement, etc.

Pending Publication Date: 2022-07-29
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, traditional linear bearings can only be used to achieve linear motion relative to guide rails, such as shafts, and are not suitable for rotational motion relative to guide rails, such as shafts
If the linear bearing is forced to achieve rotational motion, sliding friction will occur, which will lead to the failure of the linear bearing

Method used

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Embodiment Construction

[0024] figure 1 A schematic perspective view of a bearing assembly according to a preferred embodiment of the present invention is shown. figure 2 shows according to figure 1 A cross-sectional view of an axial section of the bearing assembly. The bearing assembly can be fitted onto a shaft element not shown here, in particular an optical shaft.

[0025] combine figure 1 and figure 2 It can be seen that the bearing assembly mainly includes an outer ring 1 , an inner ring, a plurality of first rolling bodies 4 and a plurality of groups of second rolling bodies 5 arranged coaxially.

[0026] In this embodiment, the inner ring has a split structure. Specifically, the inner ring includes a first inner ring member 2 and a second inner ring member 3 . Here, the outer ring 1 , the first inner ring member 2 and the second inner ring member 3 are arranged coaxially with each other, wherein the first inner ring member 2 and the second inner ring member 3 are arranged radially ins...

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Abstract

The invention relates to a bearing assembly which can be arranged on a shaft piece in a sleeving mode, and the bearing assembly comprises an outer ring (1) and an inner ring (2), an inner ring arranged radially inward of the outer ring (1), the inner ring being formed with a plurality of recirculating ball raceways, the recirculating ball raceways comprising load support sections formed radially inward of the inner ring; a plurality of first rolling bodies (4) arranged between the outer ring (1) and the inner ring in the radial direction and transmitting a load between the outer ring (1) and the inner ring; and a plurality of groups of second rolling bodies (5) which are configured as balls and are arranged in the recirculating ball tracks, the second rolling bodies (5) being able to rest against the shaft when in the load support section and to transmit a load between the inner ring and the shaft.

Description

technical field [0001] The present invention relates to the field of bearings. The present invention particularly relates to a bearing assembly. Background technique [0002] Linear bearings can achieve high-precision load guidance relative to the optical axis through ball circulation. Linear bearings typically include ball cages to retain the balls. The ball cage has a ball forward section forming a load zone and a ball return section. In the ball advance section, the ball rests on the optical axis. The rolling element forward section and the rolling element return section are connected to each other by two deflection channels. [0003] For example, a linear rolling bearing is disclosed in Chinese patent application document CN 109424645 A. In this variant, the linear rolling bearing has a guide rail and a guide seat which is movably supported on the guide rail by at least two ball groups. Each ball set has balls arranged in a ball recirculation mechanism, wherein the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C29/04F16C33/58
CPCF16C29/04F16C33/583
Inventor 侯治亚邓大伟
Owner SCHAEFFLER TECH AG & CO KG
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