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Linear bearing

A technology of linear bearings and balls, which is applied in the direction of linear motion bearings, bearings, shafts and bearings, and can solve problems such as linear bearings stopping working

Active Publication Date: 2012-11-07
江苏九州传动科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention proposes a linear bearing, which solves the problem that the linear bearing in the prior art often stops working due to friction between balls

Method used

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  • Linear bearing
  • Linear bearing

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Embodiment

[0016] Such as figure 1 and figure 2 Commonly shown is an embodiment of the linear bearing of the present invention, in order to explain the present invention more clearly, in figure 1 A section of the outer ring 1 is cut off to expose the cage 2, and the ball 4 is not shown. In addition, in the actual use process, the end of the outer ring 1 is provided with a retaining ring 12, which can not only play a role in sealing and lubricating The effect of the oil can prevent the cage 2 from protruding from the end of the outer ring 1, and the inner ring 3 will not protrude from the end of the cage 2. In the figure, a part of the inner ring 3 is only for the convenience of illustration. Out of the end of the cage 2. The foregoing are all known technologies in the technical field, and will not be repeated here.

[0017] This embodiment includes an inner ring 3, a cage 2, and an outer ring 1 that are fitted together from inside to outside, wherein, on the cage 2, there are a plura...

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PUM

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Abstract

The invention provides a linear bearing, aiming at solving the problem that the linear bearings in the prior art always stop working due to friction existing among balls. The linear bearing comprises an inner ring, a retainer and an outer ring which are sleeved together from inside to outside in sequence. The linear bearing also comprises a plurality of balls arranged on the retainer in a rolling manner, wherein the balls are in contact with the inner ring and the outer ring and are arranged at intervals. The linear bearing has the following beneficial effects that the balls arranged closely in the prior art are dispersed, so that the balls are separated reasonably and effectively, the independent operation capacity of each ball is increased, the operation of the linear bearing is not affected, and the service life of the linear bearing is simultaneously prolonged. Therefore, the linear bearing has good practicability.

Description

technical field [0001] The invention relates to the technical field of linear bearings, in particular to a linear bearing in which balls are arranged at intervals to ensure smooth operation. Background technique [0002] Linear bearing is a linear motion system produced at low cost. It is used in conjunction with a cylindrical shaft with infinite travel. Because the ball and the shaft are in point contact, the load is small, and the ball rotates with extremely small frictional resistance, so that it can Get smooth motion with high precision. [0003] Rolling bearings in the prior art generally include an inner ring, a cage and an outer ring, and the three are sequentially fitted together from the inside to the outside. A plurality of rectangular grooves arranged along its circumference are opened on the cage, and each rectangular groove is equipped with a There are multiple balls, and the balls are in contact with the outer surface of the inner ring and the inner surface of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C29/04
Inventor 杜乐红
Owner 江苏九州传动科技有限公司
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