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Sealing ring

A technology of sealing ring and sealing lip, which is applied in the direction of engine sealing, bearing components, engine components, etc., can solve the problems of large bearing resistance, achieve the effect of improving negative pressure state, improving sealing performance, and avoiding the increase of frictional resistance

Inactive Publication Date: 2020-03-27
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main purpose of the present invention is to propose a sealing ring, which aims to improve the problem of large bearing resistance in existing bearing seals

Method used

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0029] It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present invention, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). If the specific posture changes, the directional indication will also change accordingly.

[0030] In addition, if there are descriptions involving "first", "second" and ...

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Abstract

The invention discloses a sealing ring, which is used for sealing a bearing. The bearing has an inner ring and an outer ring, and balls are arranged between the inner ring and the outer ring. The sealing ring comprises a sealing ring main body, a supporting framework and a transom, wherein a first sealing lip and a second sealing lip are arranged on the sealing ring main body at intervals; the ends, away from the sealing ring main body, of the first sealing lip and the second sealing lip abut against the outer wall of the inner ring; the first sealing lip is arranged between the balls and thesecond sealing lip; the supporting framework is connected with the sealing ring main body and used for enabling the sealing ring main body to abut against the inner wall of the outer ring; the transomwindow is used for ventilation, and the transom window is arranged on the second sealing lip. By means of the transom window arranged on the second sealing lip, a negative pressure state between thefirst sealing lip and the second sealing lip can be improved, and the problem that the frictional resistance between the first sealing lip and the second sealing lip is increased due to the vacuum adsorption effect is solved.

Description

technical field [0001] The invention relates to the field of sealing structures, in particular to a sealing ring. Background technique [0002] In the existing bearing seal, the sealing lip of the bearing sealing ring is in close contact with the inner ring of the bearing to play a sealing role. During the operation of the bearing, there is air between the sealing lips of the bearing. Due to the heat generated during the operation of the bearing, the air between the sealing lips is heated and expands, and the internal pressure increases, and some of the air is discharged to the outside of the bearing. Reduce the vacuum adsorption effect generated under the external atmospheric pressure, resulting in a greatly increased bearing resistance and increased energy consumption. Contents of the invention [0003] The main purpose of the present invention is to provide a sealing ring, aiming at improving the problem of large bearing resistance existing in existing bearing seals. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C33/78F16J15/3232F16J15/3252F16J15/324
CPCF16C33/7806F16C33/7823F16C33/783F16J15/3232F16J15/324F16J15/3252
Inventor 杨子平庄海涛宛银生周星周宁许生周磊袁世林韩丽
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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