O-shaped sealing ring for sealing of hub assembly
A technology of O-ring and sealing ring, applied in the direction of engine sealing, engine components, mechanical equipment, etc., can solve the problems of oil leakage, muddy water, dust impurities, insufficient lubrication, neglect of shaft and bearing sealing, etc., and achieve sealing effect. Good, prevent the intrusion of mud, water, dust and impurities, and prevent leakage
Inactive Publication Date: 2017-06-13
WAFANGDIAN BEARING GRP CO LTD
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Problems solved by technology
However, the sealing performance of the existing split structure wheel hub is not perfect, ignoring the seal between the shaft and the bearing, the lubricating oil is easy to leak from the shaft and the inner ring of the bearing or the intrusion of mud, water, dust and impurities, resulting in insufficient lubrication during the operation of the bearing
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[0009] The present invention will be further described below in conjunction with the accompanying drawings.
[0010] A receiving groove 04 for an O-ring seal 02 is provided on the edge of the inner hole at the end of the shaft tube 01, and an O-ring seal 02 is installed in the receiving groove 04; when the shaft tube 01 and the axle 03 are fitted together, the O-ring seal 02 is compressed to finally achieve a seal between the hub and the axle.
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The invention provided an O-shaped sealing ring for the sealing of a hub assembly. The O-shaped sealing ring comprises a shaft tube (01), an O-shaped sealing ring body (02) and an axle (03), wherein an accommodating groove (04) of the O-shaped sealing ring body (02) is formed in the edge of an inner hole in the end part of the shaft tube (01); the O-shaped sealing ring body (02) is mounted in the accommodating groove (04). According to the O-shaped sealing ring for the sealing of the hub assembly, the gap between the axle and an inner bearing ring is effectively prevented from leakage of lubricating oil and intrusion of impurities like muddy water and dust.
Description
technical field [0001] The invention relates to an O-shaped sealing ring seal of a wheel hub assembly for automobiles. Background technique [0002] At present, when most manufacturers assemble the hub, the hub is of a split structure, that is, the hub, bearings, shafts and other accessories provided by the supplier need to be assembled into the hub one by one. However, the sealing performance of the existing split structure wheel hub is not perfect, ignoring the seal between the shaft and the bearing, the lubricating oil is easy to leak from the shaft and the inner ring of the bearing or the intrusion of mud, water, dust and impurities, resulting in insufficient lubrication during the operation of the bearing. This puts forward higher requirements on the sealing performance between the shaft and the bearing. Contents of the invention [0003] Aiming at the deficiencies in the prior art, the present invention aims to provide an O-ring seal of an automobile wheel hub assem...
Claims
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IPC IPC(8): F16J15/32
CPCF16J15/32
Inventor 于长鑫胡卫平温少英罗晓秋姜德惠李俊芝佟已冬张锡刚姜贺孙晗
Owner WAFANGDIAN BEARING GRP CO LTD
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