Folding table frame and folding table

A folding table stand, comprising a crossbeam having a support function and at least two table legs, wherein each table leg of the at least two table legs has a folded state and an in-use state for supporting the crossbeam, the each table leg is rotatable relative to the crossbeam such that the each table leg is switchable between the in-use state and the folded state, and a lower end of the each table leg is connected to a foot for being supported by a ground;

• and
• wherein the crossbeam is provided with a first accommodating slot, and when the at least two table legs are each in the folded state, a foot closest to the crossbeam is at least partially accommodated in the first accommodating slot;
• the folding table stand further comprises a locking member corresponding to the each table leg, wherein the locking member is configured to lock or unlock a relative position between a corresponding table leg and the crossbeam;
• wherein an upper end of the each table leg is rotatably connected to the crossbeam through a connecting assembly, and the connecting assembly is detachably connected to the crossbeam through the locking member;
• wherein a lower side of the crossbeam is provided with a second accommodating slot, one end of the connecting assembly is disposed in the second accommodating slot so that when the at least two table legs are each in the folded state, a table leg closest to the crossbeam is at least partially accommodated in the second accommodating slot;
• wherein the connecting assembly comprises:
• a mounting bracket secured to an upper end of a corresponding table leg, wherein a first end of the mounting bracket is inserted in the second accommodating slot and is hinged to the crossbeam by a hinge pin;
• and
• a connecting plate connected to a second end of the mounting bracket, wherein the connecting plate is detachably connected to the crossbeam through the locking member.