Subassembly is packed up to truckle of portable folding car

The utility model discloses a subassembly is packed up to truckle of portable folding car, including the side bearer, articulate rocking arm on the side bearer, articulate truckle on the side bearer,link to each other through first connecting rod between the centrifugal position of rocking arm and the centrifugal position of truckle, the both ends of first connecting rod articulate rocking arm and truckle respectively. The utility model discloses a subassembly is packed up to truckle of portable folding car, its the first connecting rod of rotatory drive pulling truckle through the rocking arm is packed up in the side bearer, pack up the subassembly through setting up the truckle on two in folding four truckles in the car, folding car can only remain two truckles and land when packing upthe state, relative four -wheel lands and has reduced the rolling friction power that promotes folding car process, reduce the load that the user promoted folding car, avoided four truckles and the motion that ground laminatin