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Patent Searching and Data


Title:
PRESS TYPE SPRING SWITCH MECHANISM AND ELECTRIC/MANUAL SWITCHABLE WINDOW OPENER THEREOF
Document Type and Number:
WIPO Patent Application WO/2021/027522
Kind Code:
A1
Abstract:
A press type spring switch mechanism and an electric/manual switchable window opener thereof. The window opener comprises a motor (100). An output shaft of the motor (100) is provided with a first worm gear mechanism (201, 202); the first worm gear mechanism (201, 202) drives a first gear (301), a second gear (302) and a third gear (303) to rotate by means of a transmission shaft; the second gear (302), a mode switch (400) at the upper part, and a spring (500) at the lower part constitute a press type spring switch mechanism, capable of carrying out switching of an electric/manual mode; a manual mode rotation shaft (900) rotatably matching the third gear (303) has an upper part designed as a cuboid shape, which can match a corresponding handle to rotate, so as to control expansion and contraction of a chain; under an electric mode, the mechanism normally controls transmission; under a manual mode, the mode switch (400) is pressed, at this time, the handle is used for rotating the manual mode rotation shaft (900) to control opening and closing of a window, and the mode switch (400) is pressed again to return to transmission under the electric mode.

Inventors:
LI JIANYONG (CN)
ZHANG SHANGUO (CN)
LI JIANFENG (CN)
LI FANGYI (CN)
WANG LIMING (CN)
MAN JIA (CN)
LI MINGHUI (CN)
WANG LEI (CN)
Application Number:
PCT/CN2020/103885
Publication Date:
February 18, 2021
Filing Date:
July 23, 2020
Export Citation:
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Assignee:
UNIV SHANDONG (CN)
International Classes:
E05F15/603; E05F11/00; E06B7/28; H02K7/116
Foreign References:
CN110469228A2019-11-19
CN206309812U2017-07-07
CN206364284U2017-07-28
KR20160035214A2016-03-31
CN1598990A2005-03-23
Attorney, Agent or Firm:
JINAN SHENGDA INTELLECTUAL PROPERTY AGENCY CO.,LTD. (CN)
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