Waterproof structure of small quadrotor unmanned aerial vehicle body

The waterproof structure of the small four-rotor unmanned aerial vehicle body comprises a vehicle body upper shell, a sealed heat dissipation frame, a vehicle body frame, a vehicle body bottom shell, a first sealing ring and a second sealing ring, and a first waterproof rib is arranged on the lower edge of the vehicle body upper shell; the upper edge of the sealed heat dissipation frame is provided with a waterproof surface, and the lower edge is provided with a first waterproof groove; the waterproof face is matched with the first waterproof rib, a first sealing face is formed by the contact face of the sealing heat dissipation frame and the machine body upper shell, and a first sealing cavity is formed between the sealing heat dissipation frame and the machine body upper shell. The first sealing ring is arranged in the first waterproof groove; second waterproof ribs are arranged on the upper edge of the machine body frame, and third waterproof ribs are arranged on the lower edge; the first waterproof groove