BOX TYPE SEALING STRUTURE AND CONICAL ROLLER BEARING

Title:

BOX TYPE SEALING STRUTURE AND CONICAL ROLLER BEARING

Document Type and Number:

WIPO Patent Application WO/2018/001026

Kind Code:

A1

Abstract:

A box type sealing structure (1) is integrally annular, and comprises an oil throwing ring (11) and a sealing ring, wherein the sealing ring comprises a framework (12) and a sealing portion (13) attached to the framework (12), the oil throwing ring (11) is provided with an axial part extending along the axial direction, the oil throwing ring (11) is further provided with a first centrifugal structure closer to the axial inner side than the axial part of the oil throwing ring (11), the first centrifugal structure is provided with a first bending portion (11a1) extending towards the axial inner side and simultaneously extending towards the radial outer side, the sealing portion (13) comprises a first sealing cover portion (131) arranged on the radial outer side of the first bending portion (11a1) and spaced from the first bending portion (11a1), and the first sealing cover portion (131) at least extends towards the axial inner side in the axial direction to a position flush with the first bending portion (11a1). Further provided is a conical roller bearing including the box type sealing structure (1). The box type sealing structure (1) and the conical roller bearing improve the sealing effect on an oil medium.

Inventors:

LIU XIN (CN)
NIEBLING UWE (DE)
WU LIJUAN (CN)
ARIMA GILSON (CN)
CAI FUQIANG (CN)
SHI XIAOYI (CN)
SONG HONGWEI (CN)
LIU ZHIHENG (CN)

Application Number:

PCT/CN2017/086400

Publication Date:

January 04, 2018

Filing Date:

May 27, 2017

Export Citation:

Click for automatic bibliography generation Help

Assignee:

SCHAEFFLER TECHNOLOGIES AG (DE)

International Classes:

F16C33/78

Foreign References:

US20160039246A1	2016-02-11
CN205918768U	2017-02-01
CN204512420U	2015-07-29
CN104053934A	2014-09-17

Other References: