Abstract: Some embodiments of the present disclosure provide a fitness device, comprising fitness equipment and a resistance module. The fitness equipment and the resistance module are detachably connected through a connecting assembly. The connecting assembly includes a first connecting gear and a second connecting gear. A first guide component is disposed at one end of the first connecting gear. A second guide component is disposed at one end of the second connecting gear. The first guide component and the second guide component are cooperated for guidance. The first connecting gear and the second connecting gear are cooperated to be connected.

Abstract: Some embodiments of the present disclosure provide a switching device for a fitness device, a fitness device and a control method thereof. The switching device may include a first rotating shaft, a second rotating shaft, and a switching member. The second rotating shaft may sleeve outside the first rotating shaft, and the first rotating shaft and the second rotating shaft may be detachably connected through a first connecting assembly of the switching device. The switching member may be configured to switch between a first state and a second state by driving the first rotating shaft to connect or separate from the second rotating shaft through a movement of the first connecting assembly.

Abstract: Some embodiments of the present disclosure provide fitness device, comprising an adjustable accessory and/or a detachable accessory. The adjustable accessory includes a stand column, an extension arm, a sliding assembly, a first assembly, and a second assembly. The sliding assembly is slidably disposed on the stand column. The first assembly is rotatably disposed on the sliding assembly. The second assembly is connected with the first assembly. The extension arm is rotatably connected with the second assembly. The detachable accessory is connected with the extension arm.