A basketball hoop structure is described herein. The basketball hoop structure includes a frame, a rim, a backboard and a fixing arrangement having an elongated trough. The hoop structure may be fixed onto a support tube of a trampoline. The support tube includes two slits and a locking hole. The trough includes two locking plates and a locking pin. When the basketball hoop structure is fixed to the support tube, the locking plates are inside the slits of the support tube and the locking pin is inside the locking hole.