A quick release connector, including: a main body, including a tubular section, the tubular section defining an axial direction, the tubular section including an inner hole, an insertion opening communicating with the inner hole, a slanted groove communicating with the inner hole and a sliding groove axially extending and communicating with the inner hole, the slanted groove extending inwardly toward the insertion opening; an elastic abutting mechanism, abutted within the inner hole, for urging an insert member being inserted into the inner hole via the insertion opening, said elastic abutting mechanism including a push rod and at least one elastic member (25, 26), wherein the push rod includes a push head positioned near the insertion opening and a body portion connected with the push head, wherein the body portion includes a large-diameter portion connected with the push head and a small-diameter portion connected with the large-diameter portion, wherein the push rod further includes an insertion groove extending axially into the large-diameter portion and into the small-diameter portion, wherein a number of the at least one elastic member (25, 26) is two, wherein the first elastic member is abutted between the push head and the tubular section, and the second elastic member is located between the large-diameter portion and the tubular section; a locking mechanism, including a pin portion disposed through the sliding groove and axially slidably movable together with the elastic abutting mechanism, the locking mechanism further including a blocking member and a pin member connected with the blocking member, the blocking member including a locking portion, wherein the locking portion is received in the slanted groove and radially projectable into the inner hole, the locking portion being movable together with the pin portion and the elastic abutting mechanism; wherein the blocking member is separated from the push rod by the tubular section and is located completely outside the push rod; wherein the push head and the blocking member do not overlap with each other radially; and wherein the pin member is axially slidably inserted in the insertion groove and is axially slidable into the large-diameter portion and into the small-diameter portion, such that the blocking member can be driven inwardly and radially outwardly without axial movement of the push rod, wherein the second elastic member is located outside the push rod and is abuttable against the pin member. a main body, including a tubular section, the tubular section defining an axial direction, the tubular section including an inner hole, an insertion opening communicating with the inner hole, a slanted groove communicating with the inner hole and a sliding groove axially extending and communicating with the inner hole, the slanted groove extending inwardly toward the insertion opening; an elastic abutting mechanism, abutted within the inner hole, for urging an insert member being inserted into the inner hole via the insertion opening, said elastic abutting mechanism including a push rod and at least one elastic member (25, 26), wherein the push rod includes a push head positioned near the insertion opening and a body portion connected with the push head, wherein the body portion includes a large-diameter portion connected with the push head and a small-diameter portion connected with the large-diameter portion, wherein the push rod further includes an insertion groove extending axially into the large-diameter portion and into the small-diameter portion, wherein a number of the at least one elastic member (25, 26) is two, wherein the first elastic member is abutted between the push head and the tubular section, and the second elastic member is located between the large-diameter portion and the tubular section; a locking mechanism, including a pin portion disposed through the sliding groove and axially slidably movable together with the elastic abutting mechanism, the locking mechanism further including a blocking member and a pin member connected with the blocking member, the blocking member including a locking portion, wherein the locking portion is received in the slanted groove and radially projectable into the inner hole, the locking portion being movable together with the pin portion and the elastic abutting mechanism; wherein the blocking member is separated from the push rod by the tubular section and is located completely outside the push rod; wherein the push head and the blocking member do not overlap with each other radially; and wherein the pin member is axially slidably inserted in the insertion groove and is axially slidable into the large-diameter portion and into the small-diameter portion, such that the blocking member can be driven inwardly and radially outwardly without axial movement of the push rod, wherein the second elastic member is located outside the push rod and is abuttable against the pin member.