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Title:
ANTI-LOOSENING WASHER FOR THREADED CONNECTOR AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/128856
Kind Code:
A1
Abstract:
Disclosed is an anti-loosening washer (100) for a threaded connector (200) and a preparation method therefor, the anti-loosening washer (100) comprising an upper washer (1) and a lower washer (2), wherein a plurality of first ratchets (3) are provided at the bottom of the upper washer (1), and a plurality of second ratchets (4) are provided at the top of the lower washer (2); the first ratchet (3) has a wide surface (31) attached to the second ratchet (4); the wide surface (31) is a spiral surface, with a middle axis (11) of the upper washer (1) being an axis (11a), formed by the helical motion of a generatrix (12), spaced apart from the axis (11a), around the axis (11a); and the helix angle of a wire (13) at the median diameter of the spiral surface is greater than the helix angle of the threaded connector (200).

Inventors:
GONG, Qing (No. 3009, BYD Road Pingsha, Shenzhen Guangdong 8, 518118, CN)
GUO, Qiang (No. 3009, BYD Road Pingsha, Shenzhen Guangdong 8, 518118, CN)
FANG, Bin (No. 3009, BYD Road Pingsha, Shenzhen Guangdong 8, 518118, CN)
WANG, Mengde (No. 3009, BYD Road Pingsha, Shenzhen Guangdong 8, 518118, CN)
AN, Wei (No. 3009, BYD Road Pingsha, Shenzhen Guangdong 8, 518118, CN)
Application Number:
CN2018/122513
Publication Date:
July 04, 2019
Filing Date:
December 21, 2018
Export Citation:
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Assignee:
BYD COMPANY LIMITED (No. 3009, BYD Road Pingsha, Shenzhen Guangdong 8, 518118, CN)
International Classes:
F16B39/24
Domestic Patent References:
WO2014021953A12014-02-06
Foreign References:
CN1846072A2006-10-11
CN203420182U2014-02-05
CN204403105U2015-06-17
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (Room 301 Trade Building, Zhaolanyuan Tsinghua University, Qinghuayuan, Haidian District, Beijing 4, 100084, CN)
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