Title:
BACKSTOP, ELECTRIC MOTOR DEVICE, CURTAIN CONTROL DEVICE, AND ELECTRIC CURTAIN
Document Type and Number:
WIPO Patent Application WO/2022/179173
Kind Code:
A1
Abstract:
Provided are a backstop (100), an electric motor device (200), a curtain control device (300), and an electric curtain (400). The backstop (100) comprises: a driving force receiving portion (10); a control portion (20) arranged on one side of the driving force receiving portion (10); a fixing sleeve (30) sleeved on the outside of the control portion (20), and provided with a first non-return surface (31) on the side away from the driving force receiving portion (10); a driving force output portion (40) arranged, in cooperation with the control portion (20), on the side away from the driving force receiving portion (10), and provided with a second non-return surface (44), which is elastically controlled; the second non-return surface (44) is in an elastically stretched state, and the first non-return surface (31) is in non-return cooperation with the second non-return surface (44); and when the driving force receiving portion (10) obtains torque, the control portion (20) is driven to cooperate with the driving force output portion (40), such that the second non-return surface (44) is in an elastically compressed state, the second non-return surface (44) is separated from the first non-return surface (31), and the driving force output portion (40) can rotate. The backstop can effectively solve the problems of an existing backstop having a complex structure and poor durability.
Inventors:
ZHOU YONGQIANG (CN)
TAN BAOGUO (CN)
TAN BAOGUO (CN)
Application Number:
PCT/CN2021/129174
Publication Date:
September 01, 2022
Filing Date:
November 07, 2021
Export Citation:
Assignee:
NINGBO SCIENCE FULL MOTOR COMPANY LTD (CN)
International Classes:
F16D41/064; A47H5/02; F16H57/02
Foreign References:
| CN112855796A | 2021-05-28 | |||
| CN111664200A | 2020-09-15 | |||
| CN205089851U | 2016-03-16 | |||
| CN108150080A | 2018-06-12 | |||
| CN111911557A | 2020-11-10 | |||
| CN202739650U | 2013-02-20 | |||
| JP3230427U | 2021-01-28 |
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