Title:
SCREW ROTATING SHAFT AND MACHINING METHOD FOR SCREW ROTATING SHAFT
Document Type and Number:
WIPO Patent Application WO/2021/169422
Kind Code:
A1
Abstract:
A screw rotating shaft and a machining method for the screw rotating shaft. The screw rotating shaft comprises a rotating shaft base member (1), a shaft core portion (2), and a rotating shaft jointing member (3). The rotating shaft base member (1) comprises a screw sleeve (11) and a jointing portion (12); the screw sleeve (11) is of a screw structure, and one end of the screw sleeve (11) is connected to the jointing portion (12). The shaft core portion (2) penetrates through the screw sleeve (11), the shaft core portion (2) is in interference fitting with the screw sleeve (11) and/or the other end of the screw sleeve (11) is fixedly connected to the shaft core portion (2). The rotating shaft jointing member (3) is connected to the jointing portion (12), a shaft hole (31) is formed on the rotating shaft jointing member (3), and the shaft core portion (2) is rotatably provided in the shaft hole (31).
Inventors:
HUANG YILI (CN)
Application Number:
PCT/CN2020/129104
Publication Date:
September 02, 2021
Filing Date:
November 16, 2020
Export Citation:
Assignee:
FREEWON CHINA CO LTD (CN)
International Classes:
F16C11/04; B21D11/06
Foreign References:
| CN207989520U | 2018-10-19 | |||
| CN201221557Y | 2009-04-15 | |||
| CN201568445U | 2010-09-01 | |||
| CN206415543U | 2017-08-18 | |||
| CN201582297U | 2010-09-15 | |||
| US5713672A | 1998-02-03 | |||
| JP5488945B1 | 2014-05-14 |
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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