Motor Gearbox
AssigneeShenzhen Oceanwing Smart Innovations Technology Co., Ltd
InventorsDezhou Chang, Ruiri Huang, Dandong Zheng
Life of this patent
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Abstract
The present application provides a motor gearbox used in, for example, a smart door lock. The gearbox may comprise a housing, a motor disposed in the housing, a gearbox output shaft disposed in the housing; and a clutch mechanism comprising a main gear and a planetary gear meshing with the main gear. The main gear may be connected and driven by the motor, and the planetary gear may be selectively connected to the gearbox output shaft when the motor drives the main gear to rotate. When the main gear is rotating, the planetary gear may move in a circumferential direction of the main gear.
Claims20
A motor gearbox comprising:
- a housing;
- a motor disposed in the housing;
- a gearbox output shaft disposed in the housing;
- a main gear connected to the motor;
- and
- a planetary gear meshing with the main gear, wherein:
- the planetary gear comprises a first planetary gear and a second planetary gear spaced apart from each other along a circumferential direction of the main gear;
- when the main gear is rotated in a first rotational direction, the first planetary gear is connected to the gearbox output shaft;
- and
- when the main gear is rotated in a second rotational direction opposite to the first rotation direction, the second planetary gear is connected to the gearbox output shaft.
A motor gearbox comprises:
- a housing;
- a motor disposed in the housing;
- a gearbox output shaft disposed in the housing;
- a first protection gear connected to and driven by the motor;
- a second protective gear arranged coaxially to the first protective gear, the second protective gear being driven by and connected to the gearbox output shaft;
- and
- a protective resilient device clamped between the first and second protective gears, wherein the protective resilient device is in a compressed state.
A motor gearbox comprising:
- a housing;
- a motor disposed in the housing;
- a main gear connected to the motor;
- and
- a first planetary gear and a second planetary gear spaced apart from each other along a circumference of the main gear, wherein in response to the main gear rotating, the first planetary gear and the second planetary gear are configured to move in a circumferential direction of the main gear.
Dependencies are inferred from the claim text.