Title:
SMART LOCK HAVING IMPROVED LOCK TONGUE DRIVING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/233065
Kind Code:
A1
Abstract:
A smart lock having an improved lock tongue driving device comprises a housing (1) and a door latch (2). The door latch (2) is fixed in the housing (1). The door latch (2) of the smart lock is driven to lock and unlock manually or by means of a motor. The smart lock comprises a door latch controller (3) and a driven gear set (4). The door latch controller (3) comprises an operation member (32). The door latch (2) comprises a groove (21). When connected, the operation member (32) engages with the groove (21), and when the door latch controller (3) rotates, the operation member (32) pushes the groove (21) to move, so as to drive the door latch (2) and accordingly lock or unlock the same. The driven gear set (4) comprises a driven gear (41), a push member (42), a connector (43), and a guide slot (44). The connector (43) is movably connected to the door latch controller (3). The guide slot (44) is fan-shaped and is movably connected to the push member (42). The driven gear (41) drives the connector (43) to move via the push member (42).
Inventors:
ZHAO YANGRI (CN)
Application Number:
PCT/CN2018/119647
Publication Date:
December 12, 2019
Filing Date:
December 07, 2018
Export Citation:
Assignee:
INNO ELECTRONICS INC (CN)
International Classes:
E05B15/00; E05B47/00; E05B49/00
Foreign References:
| CN108798249A | 2018-11-13 | |||
| CN202266111U | 2012-06-06 | |||
| CN2697237Y | 2005-05-04 | |||
| CN105484580A | 2016-04-13 | |||
| CN203684826U | 2014-07-02 | |||
| CN201391145Y | 2010-01-27 | |||
| DE3521392A1 | 1986-12-18 |
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