A kind of fishing rod counterweight Hou plug structure improvement,System is pivoted comprising one and block and one is pivoted the clump weight of the block one end that is pivoted in conjunction with what and forms a cock body； Its characteristic is in what: be pivoted block and the clump weight system of the cock body are made of the different metal materials collocation counterweight that is pivoted,The block system that is pivoted has a locking part,Locking part one end system is equipped with a slotting knot for extending protrusion,The pivot of an extension protrusion is then equipped at the other end； The clump weight system has a block again,System is equipped with a display surface and a rough surface at the block outer circle,And the what block bottom end system is equipped with one and is pivoted for this pivot hole of fixation of being pivoted at pivot of block,The weight of the held pole of fishing rod is adjusted by the replaceable different weight specification of the clump weight of the cock body,In order to the practicability and convenience for reaching enhancement product.一種釣竿配重後塞結構改良，係包含一樞設塊及一樞設結合於該樞設塊一端之配重塊而組成一塞體；其特徵在於：該塞體之樞設塊及配重塊係為不同金屬材質搭配所樞設配重組成，該樞設塊係具有一鎖固部，該鎖固部一端係設有一延伸突出之插結部，另一端處則設有一延伸突出之樞軸；又該配重塊係具有一塊座，該塊座外圓處係設有一顯示面及一粗糙面，且於該塊座底端處係設有一供該樞設塊之樞軸處樞設固定之樞孔，藉由該塞體之配重塊可更換不同重量規格而調整釣竿所持竿之重量，俾達到增進產品之實用性及便利性。
