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Title:
INTEGRATED BALL BEARING FOR MOTOR OF PRE-TIGHTENING STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2019/200863
Kind Code:
A1
Abstract:
An integrated ball bearing for a motor of a pre-tightening structure, the bearing comprising: a mandrel (1), a surface of the mandrel being provided thereon with a pair of first channels (7); a pair of bearing outer rings (2, 10), an inner surface of each bearing outer ring being provided thereon with a second channel (8), wherein each set of first channels and second channels together forms a bearing raceway for placing bearing balls (3, 11), and the bearing balls are located in each bearing raceway and are separated by means of respective corresponding bearing cages (4, 12); and a sleeve (6) that is sleeved onto the pair of bearing outer rings, wherein an outer surface of each bearing outer ring is glued to an inner surface of the sleeve, and both are continually axially pre-tightened, or an outer surface of one bearing outer ring is glued to the inner surface of the sleeve, and an end surface of the other bearing outer ring is pressed by means of a spring pad (14). Provided is an integrated ball bearing that has an ultra-high speed, high efficiency and a long service life, and that has application advantages in a high speed working environment.

Inventors:
LI, Dinghua (Li Yingqiao, 1288 Zhengluo East RoadZhenha, ningbo Zhejiang 7, 315207, CN)
LI, Zhigen (li yingqiao, 1288 Zhengluo East RoadZhenha, ningbo Zhejiang 7, 315207, CN)
Application Number:
CN2018/111142
Publication Date:
October 24, 2019
Filing Date:
October 22, 2018
Export Citation:
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Assignee:
NINGBO ZHENHAI SILVER-BALL BEARING CO., LTD (1288 Zhengluo East Road, Zhenhainingbo, Zhejiang 7, 315207, CN)
International Classes:
F16C33/58; F16C19/02; F16C33/76
Foreign References:
CN108425952A2018-08-21
CN204458820U2015-07-08
CN207005093U2018-02-13
CN103758870A2014-04-30
CN206668761U2017-11-24
CN105579719A2016-05-11
US20110072666A12011-03-31
Attorney, Agent or Firm:
NINGBO JINYUANTONGHUI PATENT OFFICE (Gong danyu, No. 298 Xueshi RoadYinzho, ningbo Zhejiang 9, 310009, CN)
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