Adjustable parking frame of bicycle

An adjustable bicycle parking frame comprising a fastening plate which is provided at a bottom thereof with an inner rod having thereon at a midpoint thereof two protuberances, a support rod, and an adjustment rod;

• wherein said inner rod is provided at a bottom thereof with a receiving space which is provided axially with a sliding slot and is further provided on a top thereof with a first round hole dimensioned to receive therein a spring and a retaining block;
• wherein said support rod is provided at a bottom thereof with a support block and at a top thereof with an outer threaded portion having on a top thereof a round hole in which a pin is received;
• wherein said adjustment rod is provided axially with a fitting hole having therein at a midpoint thereof an inner threaded portion engageable with said outer threaded portion of said support rod, said fitting hole of said adjustment rod further having on an inner wall of a top end thereof a retaining groove engageable with said retaining block of said inner rod when said fitting hole of said adjustment rod is fitted over a bottom end of said inner rod;
• and wherein said support rod can be adjusted in length by a relative displacement of said inner threaded portion of said adjustment rod and said outer threaded portion of said support rod, with said relative displacement being brought about by said adjustment rod which is turned.