Limiting structure, door hinge and refrigerator

The utility model relates to the technical field of hinges, in particular to a limiting structure, a door hinge and a refrigerator, the limiting structure comprises a lantern ring used for being sleeved with a pin shaft of the door hinge, and the outer wall of the lantern ring is provided with a first limiting part and a second limiting part which protrude out of the peripheral face of the lantern ring; the first limiting part and the second limiting part are each provided with a limiting face tangent to the peripheral face of the lantern ring, a first included angle is formed between the two limiting faces, and the two limiting faces are used for abutting against the two hinges of the door hinge so as to limit the opening angle between the two hinges. Therefore, the opening angle of the refrigerator door is realized. 本申请涉及铰链技术领域，具体而言，涉及一种限位结构、门铰链和冰箱，包括用于套入所述门铰链的销轴的套环，所述套环外壁设置有突出所述套环的外周面的第一限位部和第二限位部，所述第一限位部和所述第二限位部均具有与所述套环外周面相切的限位面，两个所述限位面之间具有一第一夹角，两个所述限位面分别用于与所述门铰链的两个所述合页相抵以限制两个所述合页之间的打开角度，从而实现冰箱门打开的角度。