Bent structural member of endoscope

The utility model provides a bending structural member of an endoscope, which comprises a plurality of annular snake bone units connected between an upper head ring and a lower head ring, connecting sheets and traction blocks are connected at intervals to form a ring shape, two sides of each traction block are respectively provided with an upper connecting point and a lower connecting point, and the lower connecting point of the previous snake bone unit is connected with the upper connecting sheet of the next snake bone unit; fixing holes are formed in the positions, corresponding to the traction holes, of the upper head ring and the lower head ring. The bending structural part can be formed through one-time injection molding, the tedious machining procedures are effectively omitted, the consistency of all parts of the universal ring is improved, the machining efficiency of the bending part is improved, the deviation between the actual bending angle and the design value of the endoscope is effectively reduced