US 12,222,022 B1
Transmission device with braking structure
Yu-Chang Lin, New Taipei (TW)
Assigned to TIMOTION TECHNOLOGY CO., LTD., New Taipei (TW)
Filed by TIMOTION TECHNOLOGY CO., LTD., New Taipei (TW)
Filed on Nov. 7, 2023, as Appl. No. 18/387,740.
Claims priority of application No. 112210174 (TW), filed on Sep. 20, 2023.
Int. Cl. F16H 1/16 (2006.01); F16H 25/24 (2006.01); F16H 48/29 (2012.01); F16H 57/02 (2012.01)
CPC F16H 1/16 (2013.01) [F16H 48/29 (2013.01); F16H 57/02 (2013.01); F16H 2025/2463 (2013.01); F16H 2057/02034 (2013.01); F16H 2057/02073 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A transmission device (1), comprising:
a gearbox (10), comprising a housing (11) and a transmission set (12) arranged in the housing (11), and the housing (11) comprising a socket (111);
a motor set (20), comprising a motor body (21) and a rotating shaft (22) disposed protrusively from a front side of the motor body (21), the rotating shaft (22) inserted in the socket (111) and connected to the transmission set (12); and
a braking set (30), installed on the rotating shaft (22) and positioned in the socket (111), and configured to generate a braking force to the rotating shaft (22);
wherein the gearbox (10) further comprises a restricting frame (112) and a restricting block (113) located inside the socket (111), the braking set (30) comprises a braking block (31), a braking ring (32) and a braking spring (33), the rotating shaft (22) passes through the braking block (31) which is positioned in the restricting frame (112), the braking ring (32) is arranged on the braking block (31) and adapted to sheathe the rotating shaft (22), and the braking spring (33) is disposed around the braking ring (32) and abutted against by the restricting block (113).