Detachable chair frame and end connecting piece thereof

The utility model belongs to the technical field of connecting pieces, and particularly relates to a detachable chair frame and an end connecting piece thereof. The detachable chair frame comprises three tubular sleeving parts, one ends of the three sleeving parts are connected into a whole, and the other ends of the three sleeving parts extend towards three different directions; and a supporting foot is arranged at the part where the three sleeving parts are connected into a whole. The three sleeving parts face different directions, so that the chair frame pipe rods in the vertical direction or the horizontal direction can be connected in an inserted manner, and the detachable chair frame can be conveniently assembled. The chair frame pipe rods can be disassembled, stored and packed under the condition that the seat surface is spacious, the chair frame pipe rods can be connected and assembled very conveniently and quickly through the structures of the end connecting pieces, so that the angles between the cha