Watchband structure capable of being quickly disassembled and assembled to adjust length without tool

The utility model relates to a watchband structure capable of quickly dismounting and adjusting length without tools, which comprises a watchband mounting block and a watchband connecting block, an adjusting mechanism is arranged in the watchband mounting block, and the adjusting mechanism comprises a reset spring fixedly mounted on the inner wall of the bottom of the watchband mounting block. A sliding block is slidably connected to the outer wall of the bottom of the watchband mounting block, a rotating shaft is clamped between the sliding block and the watchband mounting block, a fixing bolt is slidably connected to the interiors of the sliding block and the watchband mounting block, and a connector is in threaded connection to the outer wall of the top of the fixing bolt. According to the watchband structure capable of being rapidly disassembled and assembled to adjust the length without the tool, the watchband mounting block and the two watchband connecting blocks are connected in a spring clamping mode,