Novel quick-disassembly portable spinning

The utility model discloses a novel quick detachable portable spinning which comprises a shell, a resistance wheel is arranged on one side of an inner cavity of the shell, a power shaft is rotatably arranged on the other side of the inner cavity of the shell, the resistance wheel and the power shaft are connected through a belt, a first crank is fixedly installed at one end of the power shaft, and a second crank is fixedly installed at the other end of the power shaft. A connecting plate is rotatably arranged at the other end of the power shaft, a second crank is arranged on the front wall face of the connecting plate, a fixing rod is inserted into the through groove, sliding rings are arranged on the front wall face and the rear wall face of the shell correspondingly, and the bottom ends of the supporting arms are rotatably arranged on the outer wall faces of the sliding rings; supporting devices are arranged on the two sides of the outer wall face of the shell correspondingly, a resistance device is arrange