US 12,079,024 B2
Force feedback device
Yuntong Li, Shenzhen (CN); Bing Xie, Shenzhen (CN); Liang Jiang, Shenzhen (CN); and Feng Yan, Shenzhen (CN)
Assigned to AAC Acoustic Technologies (Shanghai)Co., Ltd., Shanghai (CN)
Filed by AAC Acoustic Technologies (Shanghai)Co., Ltd., Shanghai (CN)
Filed on Dec. 29, 2022, as Appl. No. 18/091,338.
Application 18/091,338 is a continuation of application No. PCT/CN2022/118139, filed on Sep. 9, 2022.
Claims priority of application No. 202210956177.3 (CN), filed on Aug. 10, 2022.
Prior Publication US 2024/0053788 A1, Feb. 15, 2024
Int. Cl. G05G 5/03 (2008.04); G05G 1/015 (2008.04); G05G 1/04 (2006.01); G05G 5/05 (2006.01); H01H 3/00 (2006.01)
CPC G05G 5/03 (2013.01) [G05G 1/015 (2013.01); G05G 1/04 (2013.01); G05G 5/05 (2013.01); G05G 2505/00 (2013.01); H01H 2003/008 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A force feedback device, comprising:
a base;
a button assembly, comprising:
a button body;
a button formed by protruding and extending from the button body in a direction away from the base;
a first rotary shaft connected to one side of the button body and rotatably connected to the base, wherein the base is closer to the one side of the button body than to an opposite side of the button body; and
a swing rod formed by extending from the one side of the button body and rotatably connected to the first rotary shaft;
a driving assembly comprising:
a driving unit fixed to one side of the base;
an output shaft connected to the driving unit;
a cover detachably fixed to the base and located outside the swing rod, and
a gear assembly rotatably arranged on the base, one end of the gear assembly being connected to the output shaft in a transmission manner, and the other end of the gear assembly being connected to the swing rod in a transmission manner, wherein,
the gear assembly comprises a first gear fixed to the output shaft, a second rotary shaft arranged on the base and connected to the base, a third rotary shaft arranged on the base and connected to the base, a first duplex gear connected to the second rotary shaft, and a second duplex gear connected to the third rotary shaft, a large gear of the first duplex gear is meshed with the first gear, a small gear of the first duplex gear is meshed with a large gear of the second duplex gear, the swing rod is provided with an inner tooth structure, and the inner tooth structure is meshed with a small gear of the second duplex gear,
the swing rod comprises a connecting portion fixed to one end of the first rotary shaft, an extending portion extended from the connecting portion to the gear assembly, and a transmission portion extended from the extending portion, a cross-sectional area of the extending portion is gradually increased in a direction from the connection portion to the transmission portion, the transmission portion is provided with an arc structure, and an inner side of the transmission portion is provided with an inner tooth structure, and
the cover is protruded to form an arc-shaped protrusion; an end of the extending portion is provided with an arc-shaped limiting portion, the arc-shaped protrusion is located on an axis of the second duplex gear, and the limiting portion is contacted with the arc-shaped protrusion to achieve mutual limiting.