This work is about the structure of a heavy hammer for fishing.The utility model mainly comprises a main heavy hammer and at least one auxiliary heavy hammer.The main weight hammer comprises a body and an end shaft.The end shafting is arranged at the assembly hole at one end of the main weight body.The inner end of the end shaft is provided with a stop.A retaining ring is arranged in the assembly hole of the main hammer body.The end shaft assembly is arranged after the body assembly hole.It can make the end shaft rotate freely in the assembly hole and extend or receive.Near the upper end of the end axis,There is a hole.For the line to pass through the binder,A screw hole is arranged at the bottom end.It is used for assembly of auxiliary heavy hammer.The top end of each pair of heavy hammers is a reverse concave end which can be sleeved with the convex end of the bottom end of the main heavy hammer body.And the bottom end of each pair of heavy hammers also forms the same convex end as the bottom end of the main heavy hammer.A screw rod and a screw hole are respectively arranged at the top and bottom of each heavy hammer.Each heavy hammer can be of different length and weight.Through the design of screw and screw hole,And one of the heavy hammer locks is arranged behind the main heavy hammer body.If different weight is needed,One or more secondary hammers of the same or different length and weight shall be locked at the bottom of the main hammer or the secondary hammers at the bottom of the main hammer as required.In order to meet the different water flow and depth of fishing use.本創作係有關一種釣魚用重錘之結構，其主要包括一主重錘及至少一個副重錘，其中該主重錘包括一本體及一端軸，該端軸係組設於主重錘本體一端之組配孔，端軸內端具擋止部，並於主重錘本體組配孔內設一擋環，使端軸組設於本體組配孔後，可使端軸於組配孔內產生自由旋轉及伸出或收入之功效，於端軸近上端部，設有一孔洞，以供釣線穿過捆綁者，於底端設有螺孔，以供副重錘組接使用，每一副重錘之頂端係呈與主重錘本體底端凸端呈可套組之反向凹端，且每一副重錘之底端亦均形成與主重錘底端相同之凸端，於每一副重錘之頂端及底端均分別設有一螺桿及螺孔，且每一副重錘可為不同長度重量，以藉由螺桿及螺孔之設計，而將其中一副重錘鎖組於主重錘本體後，若另需不同重量時，再依所需於主重錘或於主重錘底端之副重錘底端再鎖組一個或一個以上相同或不同長度重量之副重錘，以達符合不同水流及水深之釣魚使用。
