Patent ID: 11971089
Assignee: HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 0:
1. A two-speed transmission system, wherein the two-speed transmission system comprises:
a first fixed gear, sleeved on a first shaft and fixedly connected to the first shaft;
a first floating gear, sleeved on a second shaft, wherein the first floating gear is configured to rotate relative to the second shaft, and the first fixed gear and the first floating gear are permanently engaged;
a first connection mechanism, fastened on the second shaft and configured to implement connection or disconnection between the first floating gear and the second shaft; and
a one-way clutch, wherein the one-way clutch is located between the first floating gear and the first connection mechanism; an inner surface of the one-way clutch is connected to the first floating gear; an outer surface of the one-way clutch abuts against the first connection mechanism; based on the first floating gear rotating relative to the first connection mechanism in a rotation direction, the first floating gear and the first connection mechanism implement differential rotation using the one-way clutch; and based on the first floating gear rotating relative to the first connection mechanism in another rotation direction, the one-way clutch locks so that the first floating gear and the first connection mechanism are relatively static and rotate at a same rotation speed to transmit first-gear power;
wherein the first floating gear comprises a first floating transmission tooth surface and a first floating connection part, the first floating transmission tooth surface is disposed away from the second shaft relative to the first floating connection part, the first floating transmission tooth surface is configured to engage with the first fixed gear, the first floating connection part is configured to connect to the second shaft through rotation to connect the first floating gear to the second shaft through rotation, the first floating connection part comprises a first extension part extending in an axial direction of the second shaft, the inner surface of the one-way clutch is sleeved on a surface of the first extension part away from the second shaft and is fixedly connected to the first extension part, and the inner surface of the one-way clutch is connected to the first floating gear;
wherein the first connection mechanism comprises a gear hub fixedly connected to the second shaft, the gear hub comprises a gear hub connection part and a second extension part, the second extension part is disposed away from the second shaft relative to the gear hub connection part, the second extension part extends in an opposite direction of an extension direction of the first extension part, the second extension part is sleeved on the outer surface of the one-way clutch and abuts against the outer surface of the one-way clutch, and the outer surface of the one-way clutch abuts against the first connection mechanism;
wherein the first floating gear further comprises a first gear shift ring, and the first gear shift ring is configured to connect to or disconnect from the first connection mechanism; and
wherein the first floating gear further comprises a first transmission connection part located between the first floating transmission tooth surface and the first floating connection part, the first transmission connection part is located at an end of the first floating connection part away from the first extension part, the first gear shift ring is located on the first transmission connection part, the first gear shift ring extends in the same direction as the first extension part, and an end of the first gear shift ring away from the first transmission connection part is connected to or disconnected from the first connection mechanism.