INTERNAL MESHING PLANETARY GEAR DEVICE AND ACTUATOR - SMART IP INFORMATION SERVICE SHENZHEN LTD

Title:

INTERNAL MESHING PLANETARY GEAR DEVICE AND ACTUATOR

Document Type and Number:

WIPO Patent Application WO/2022/021862

Kind Code:

A1

Abstract:

An internal meshing planetary gear device (1) and an actuator. The internal meshing planetary gear device (1) comprises an internal tooth gear (2), a planetary gear (3), multiple internal pins (4) and supporting bodies (8). The internal tooth gear (2) comprises an annular gear body (22) and multiple pins (23), and the multiple pins (23) are maintained on the inner peripheral surface (221) of the gear body (22) in a state of being able to rotate and form internal teeth (21). The planetary gear (3) comprises external teeth (31) locally meshed with the internal teeth (21); the multiple internal pins (4), in the state of being respectively inserted into multiple internal pin holes (32) formed on the planetary gear (3), revolve in the internal pin holes (32) and rotate with respect to the gear body (22). The supporting bodies (8) are annular and support the multiple internal pins (4), and the supporting bodies (8) are positionally limited by enabling the outer peripheral surface to be in contact with the multiple pins (23).

Inventors:

WANG GANG (JP)
LIN WENJIE (JP)
MINEGISHI KIYOJI (JP)
GUO ZIMING (JP)
ISAJI TSUYOSHI (JP)

Application Number:

PCT/CN2021/077123

Publication Date:

February 03, 2022

Filing Date:

February 20, 2021

Export Citation:

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Assignee:

SMART IP INFORMATION SERVICE SHENZHEN LTD (CN)

International Classes:

F16H57/08; F16H1/32

Domestic Patent References:

WO2020031891A1

2020-02-13

Foreign References:

CN103807420A	2014-05-21
CN104565217A	2015-04-29
CN102472368A	2012-05-23
JP2017137989A	2017-08-10

Other References: