Conical accessory

The utility model discloses a cone-shaped accessory which comprises a jacking device, the jacking device is provided with the cone-shaped accessory, and the cone-shaped accessory comprises a triangular cone part, a circular truncated cone and an insertion part; the upper end and the lower end of the circular truncated cone are connected with the triangular cone part and the insertion part, the three parts are integrally formed, the insertion part is columnar and adopts a cylinder or a triangular prism, a quadrangular prism, a pentagonal prism and other polygonal prisms, and an elastic limiting piece is arranged on the columnar side wall; the jacking device is reasonable in structural design and easy to operate, the conical accessory can be embedded into the jacking device through the insertion part and then is fixed again through limiting of the elastic limiting piece, and tight matching of the conical accessory and the jacking device is achieved. 本实用新型公开一种锥状配件，包括顶升装置，所述顶升起装置上设置锥状配件，所述锥状配件包括三角锥部、圆台和插入部；所述圆台上下