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Patent Searching and Data


Title:
MOTOR
Document Type and Number:
WIPO Patent Application WO/2018/153046
Kind Code:
A1
Abstract:
A plastic package motor, comprising a motor end cover. The motor end cover comprises an end cover body (1) and a ball bearing (2); a bearing seat (12) protrudes out of the middle of the end cover body (1); a bearing chamber (121) is provided in the bearing seat (12); the ball bearing (2) comprises an outer race (21), an inner race (22), and balls mounted between the outer race (21) and the inner race (22); the end cover body (1) is made of metal; the bottom of the bearing chamber (121) is equipped with an insulating cover (5); the ball bearing (2) is put in the bearing chamber (121), and the outer race (21) is supported outside the insulating cover (5); the insulating cover (5) shields an aperture (32) between the outer race (21) and the inner race (22); a relief groove (52) is provided inside the insulating cover (5); the the inner race (22) and the insulating cover are separated by the relief groove; a gap (21) exists between an inner sidewall (1211) of the bearing chamber (121) and the outer race (21); a plastic package (4) is injection-molded in the gap (31); the inner sidewall (1121) of the bearing chamber (121) and the outer race (21) are connected and fixed together by the plastic packet (4). The motor is simply structured, reduces the requirements for the precision of the inner circle of the bearing chamber and the coaxial precision between the inner cycle of the bearing chamber and the bearing, and reduces manufacturing costs.

Inventors:
HUANG, Yangbo (Shalang Town No. 3 Industrial Area, West DistrictZhongshan, Guangdong 0, 528400, CN)
JIN, Jianwei (Shalang Town No. 3 Industrial Area, West DistrictZhongshan, Guangdong 0, 528400, CN)
HU, Hui (Shalang Town No. 3 Industrial Area, West DistrictZhongshan, Guangdong 0, 528400, CN)
LIAO, Minggang (Shalang Town No. 3 Industrial Area, West DistrictZhongshan, Guangdong 0, 528400, CN)
CHEN, Huixiu (Shalang Town No. 3 Industrial Area, West DistrictZhongshan, Guangdong 0, 528400, CN)
Application Number:
CN2017/099667
Publication Date:
August 30, 2018
Filing Date:
August 30, 2017
Export Citation:
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Assignee:
ZHONGSHAN BROAD-OCEAN MOTOR CO. , LTD (Shalang Town No. 3 Industrial Area, West DistrictZhongshan, Guangdong 0, 528400, CN)
International Classes:
H02K5/16; H02K5/173
Foreign References:
CN203193427U2013-09-11
CN203883594U2014-10-15
CN102810950A2012-12-05
JP3635948B22005-04-06
JP3747684B22006-02-22
JP2014107998A2014-06-09
Attorney, Agent or Firm:
ZHONGSHAN HANTONG INTELLECTUAL PROPERTY AGENCY´╝łGENERAL PARTNERSHIP) (Rm. 305-308, 4th Floor Building A,No. 8 Longfeng Street, Qitou Xincun, , Shiqi Distric, Zhongshan Guangdong 0, 528400, CN)
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