The utility model relates to a belt protecting structure.The main structure includes the first belt body,First disc body,The second belt,The second disc body,And rope body.Among them,The first belt body is provided with at least one first pull ring.The second belt body is provided with at least one second pull ring.So that the user can easily pull the first belt body and the second belt body by the first pull ring and the second pull ring；Also,The first disc body and the second disc body are respectively fixed on the first belt body and the second belt body.A plurality of first wheel bodies and second wheel bodies are pivoted on each disc body.And the first auxiliary part and the second auxiliary part,The first and second wheel bodies are wound with rope bodies.Adjust the tightness by pulling the rope body.The first and second wheel bodies can effectively reduce friction.Make it easier for users to tighten.本新型為有關一種護腰帶之結構，主要結構包括第一帶體、第一盤體、第二帶體、第二盤體、及繩體，其中，第一帶體上設有至少一第一拉環，而第二帶體上設有至少一第二拉環，以讓使用者藉由第一拉環及第二拉環來方便拉動第一帶體及第二帶體；再者，第一盤體與第二盤體分別固設於第一帶體及第二帶體，且各盤體上分別樞設有多個第一輪體及第二輪體，與第一輔助部及第二輔助部，並各第一及第二輪體共同繞設有繩體，以藉繩體的拉扯動作來調整緊束度，且第一及第二輪體可有效減少摩擦力，讓使用者於緊束時更為輕鬆。
