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Multi-lip sealing bearing

A technology of sealing bearings and sealing rings, which is applied to bearing components, shafts and bearings, mechanical equipment, etc., can solve the problems of large frictional torque, aging, and affecting the sealing effect of contact seals, so as to ensure sealing, ensure lubrication, and increase The effect of service life

Inactive Publication Date: 2017-12-01
ANHUI LIDA AUTOMOBILE BEARING MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the friction torque of the contact seal is large, and the seal ring will wear and age after long-term work, which will affect the sealing effect

Method used

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  • Multi-lip sealing bearing
  • Multi-lip sealing bearing

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Embodiment 1: as figure 1 , figure 2 As shown, a multi-lip sealed bearing includes an inner ring, an outer ring, and balls. The outer ring is provided with a sealing groove, and a sealing ring is provided in the sealing groove. The sealing ring includes a steel ring skeleton and a rubber ring. The steel ring skeleton includes a top beam 11 matched with the outer ring and an arc beam 12 bonded to the rubber ring, the arc beam 12 protrudes outward, the rubber ring is provided with three lips, and the inner ring There is also a sealing cover on the top, the sealing cover includes a horizontal part 31 and a straight part 32, the first lip 21 of the rubber ring is in interference fit with the horizontal part 31, the second lip 22 is in clearance fit with the horizontal part 31, and the third lip 23 Interference fit with the straight part 32.

[0015] The top end of the straight portion 32 is curved in an arc, and extends to the inner wall of the outer ring, and fits with ...

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PUM

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Abstract

The invention discloses a multi-lip sealing bearing. The multi-lip sealing bearing comprises an inner ring, an outer ring, a rolling ball and a sealing ring, and is characterized in that the sealing ring comprises a steel ring skeleton and a rubber ring; the steel ring skeleton comprises a top beam which is matched with the outer ring and an arc-shaped beam which is adhered to the rubber ring; the arc-shaped beam protrudes outwards; three lips are arranged on the rubber ring; a sealing cover is also arranged on the inner ring; the sealing cover comprises a transverse part and a straight part; the first lip of the rubber ring is in interference fit with the transverse part; the second lip of the rubber ring is in clearance fit with the transverse part; and the third lip of the rubber ring is in interference fit with the straight part. The multi-lip sealing bearing can delay aging of the sealing ring of the bearing and prolong the service life of the searing ring of the bearing.

Description

technical field [0001] The invention relates to a bearing. Background technique [0002] In order to adapt to the harsh environment and achieve a good sealing effect, the current bearings usually need to adopt contact seals. However, the friction torque of the contact seal is large, and the sealing ring will wear and age after long-term operation, which will affect the sealing effect. Contents of the invention [0003] The present invention aims at the above problems and provides a bearing that delays the aging of the sealing ring and prolongs the service life of the sealing ring. In order to solve these problems, the present invention adopts the following technical solutions: [0004] A multi-lip sealed bearing, including an inner ring, an outer ring, balls and a sealing ring, characterized in that the sealing ring includes a steel ring skeleton and a rubber ring, and the steel ring skeleton includes a top beam that cooperates with the outer ring and a The arc-shaped b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C33/78
CPCF16C33/7806F16C33/7823F16C33/783
Inventor 汪涛徐华林操毅余永济
Owner ANHUI LIDA AUTOMOBILE BEARING MFG