The present invention provides an improved transmission structure of a rice transplanter, comprising: a joint seat； a transmission gear box disposed at the joint seat and inclined, the interior thereof having a hollow state and having a mounting space having a mounting space The first gear is disposed in a state of being inclined at a higher position on a side of the installation space of the transmission gear box, and has a rotating shaft protruding from the two sides at a center thereof； a transmission gear is disposed on the transmission gear The installation space of the box is in a rotating state, and is in a state of being engaged with the first gear, and has a rotating shaft protruding from the two sides at a center thereof； and a second gear is mounted on the transmission gear box The other side of the space is in a rotating state, and is in a toothed state with the transmission gear, and has a rotating shaft protruding from the two sides at the center； thereby providing an improvement of the transmission structure of the rice transplanter, especially for reducing The structure of the twister machine that wears and adjusts the speed when it is driven.本創作提供一種插秧機傳動結構改良，係包含；一連結座；一傳動齒輪箱，係設於該連結座處並呈傾斜狀態，其內部係以中空狀態而具有一裝設空間，其具有一第一齒輪，係設於呈傾斜狀態該傳動齒輪箱之裝設空間一側較高處呈轉動狀態，其中心處具有一凸設於兩側之轉軸；一傳動齒輪，係設於該傳動齒輪箱的該裝設空間處呈轉動狀態，並與該第一齒輪呈齒合狀態，其中心處具有一凸設於兩側之轉軸；以及一第二齒輪，係設於該傳動齒輪箱之裝設空間另一側處呈轉動狀態，並與該傳動齒輪呈齒合狀態，其中心處具有一凸設於兩側之轉軸；藉此，提供一種插秧機傳動結構改良，尤指一種用於降低插秧機傳動時磨損且可調整轉速之結構者。
